Classes of biological important organic compounds. Biopolymers and their structural components
Text teat assesments
1. Carboxylic acid is:
A. С3Н8.
B. *С8Н17СООН.
C. С3Н7ОН.
D. С2Н2.
E. С7Н15ОН.
2. Formula of carboxylic acid is:
A. СН3СОН.
B. С2Н6.
C. *С2Н5СООН.
D. С6Н6.
E. С6Н12О6.
3. What is formula of pentanoic acid?
A. С2Н5СООН.
B. *С4Н9СООН.
C. С8Н17СООН.
D. НСООН.
E. СН3СООН.
4. What is formula of ethanoic acid?
A. С2Н5СООН.
B. С4Н9СООН.
C. С8Н17СООН.
D. НСООН.
E. *СН3 СООН.
5. Formula of methanoic acid is:
A. С2Н5СООН.
B. С4Н9СООН.
C. С8Н17СООН.
D. *НСООН.
E. СН3 СООН.
6. Formula of butanoic acid is:
A. С2Н5СООН.
B. *С3Н7СООН.
C. С8Н17СООН.
D. НСООН.
E. СН3 СООН.
7. Carboxylic acids contain such functional group:
A. - ОН.
B. - СОН.
C. *- СООН.
D. - СН3.
E. - ССІ4.
8. Monocarboxylic acids have ….. functional groups:
A. *One.
B. Two.
C. Three.
D. Four.
E. Not any.
9. Saturated monocarboxylic acids are acids, which contain:
A. Saturated hydrocarbon chain and two carboxyl groups.
B. *Saturated hydrocarbon chain and one carboxyl group.
C. Saturated hydrocarbon chain and ОН-group.
D. Unsaturated hydrocarbon chain.
E. Unsaturated hydrocarbon chain and one carboxyl group.
10. What general formula has the saturated monocarboxylic acids?
A. *СnH2n+1-COOH.
B. СnH2n-COOH.
C. СnH2n+1-COH.
D. СnH2n-COH.
E. СnH2n+1-OH.
11. Homologous of carboxylic acid are in:
A. СН2Сl-СООН, С2Н5СООН, С2Н3Сl2-СООН.
B. *СН3СООН, С6Н13СООН, НСООН.
C. СН2Сl-СООН, СНСІ2 -СООН, СН3СООН.
D. С2Н5СООН, С2Н3Сl2-СООН, С4Н9СООН.
E. СН2Cl-СООН, С2Н5СООН, С4Н9СООН.
12. All solid and insoluble in water carboxylic acids are in row.
A. СН3СООН, С6Н13СООН, С7Н15СООН.
B. *С9Н19СООН, С16Н33СООН, С17Н35СООН.
C. НСООН, СН3СООН, С2Н5СООН.
D. С6Н13СООН, С7Н15СООН, СН3СООН.
E. СН3СООН, НСООН, С17Н29СООН.
13. What row is contain all compounds which can react with methanoic acid?
A. СН3СОН, СН3ОН, СН3СООН.
B. *С2Н5ОН, Ag2О, Mg.
C. Сu(ОН)2, Nа2СО3, С3Н7СОН.
D. СН3СОН, СН3ОН, СН3СООН, Ag2О.
E. Сu(ОН)2, Nа2СО3, С3Н7СОН, С2Н5ОН.
14. Methanoic acid has specific property. What reagents can use for determination methanoic acid?
A. Mettles.
B. Bases.
C. *Ammoniac solution of silver (І) oxide.
D. Water.
E. Acids.
15. The neutralization reaction is:
A. СН3СООН + СН3ОН =.
B. НСООН + НОН =.
C. *НСООН + NаОН =.
D. СН3СООН + СН3СООН =.
E. НСООН + С2Н5ОН =.
16. What reaction is typical for ethanoic and hydrochloride acids?
A. Reaction with sulfur.
B. Reaction with acids.
C. *Reaction with metals and bases.
D. Reaction with salts.
E. Reaction with oxides.
17. Hydrogen can form in such reaction:
A. *СН3СООН + Са =.
B. СН3СООН + СаО=.
C. СН3СООН + NаОН =.
D. С2Н5СООН + NаОН =.
E. С2Н5СООН +КОН =.
18. Carbon (IV) oxide can form in such reaction:
A. СН3СООН + NаОН =.
B. СН3СООН + КОН =.
C. *СН3СООН + Nа2СО3 =.
D. С2Н5СООН + NаОН =.
E. СН3СООН + Са =.
19. The esterification reaction is:
A. СН3СОН + С2Н5СОН =.
*СН3СООН + СН3ОН =.
СН3СООН + NаОН =.
С2Н5ОН + Nа =.
СН3СООН + Са =.
What compound can oxidate if ethanoic acid is formed?
A. *Ethanal.
B. Ether.
C. Glycerol.
D. Methane.
E. Sulfur.
What class of organic compounds is tartaric acid?
A. Alcohols.
B. Thioles.
C. Aromatic hydrocarbons.
D. Condensed arenas.
E. Carboxylic acids.
*What acid has more acidity?
A. *Oxilic.
B. Oleic.
C. Propanoic.
D. Acetic.
E. Butanoic.
What acids are tribasic?
A. *Citric acid.
B. Butyric acid.
C. Tartaric acid.
D. Valeric acid.
E. Fumaric acid.
B.
C.
D.
E.
20.
21.
22.
23.
H
C
O
OH is carboxylic acid but it has specific property. What reagents can use for
24. Formic acid
determination this acid?
A. *Ammoniac solution Ag2O.
B. NaOH.
C. Water solution of brome.
D. CH3OH.
E. AlCl3.
25. Compare acidic properties of such compounds. What compound is more acidity?
O
CH3 C
A. *
OH .
B.
.
C.
D.
C2H5OH
CH3 OH
.
H C C
H2C CH2
H.
.
26. Carboxylic acids are classified by amount of carboxyl group into:
A. Aliphatic, aromatic.
B. Aromatic and alycyclic.
C. *Mono-, di-, tricarboxylic acids.
D. Alicyclic and aliphatic.
E. Mono and polyatomic.
27. The monocarboxylic unsaturated acid is:
E.
H
O
C
OH .
A.
B.
H
C C
Cl
Cl
H.
COOH
C
Cl
C.
.
D. H─COOH.
E. *СН2 = CН - СООН.
28. What carboxylic acid is the most acidity?
Cl
Cl
Cl
Cl
CH
Cl
Cl
.
CH2 COOH
A. *
B.
C.
D.
COOH
C
.
COOH
CH3 COOH
.
.
CH3 CH2 COOH
.
29. General formula of carboxylic acids is:
A. СОН.
B. ROH.
C. R - SH.
D. R - NH2.
E. *R - COOH.
30. What product is formed after heating alfa-hydroxypropanoic acid with H2SO4 (concentrate)
E.
CH3 CH COOH
A.
к. H2SO4; to
OH
CH3 CH CH3 + CO2
OH
B. + H 2 O
6
H
C
.
O
+
OH
+ CH2COOH +
C.
+ H 2O
.
O
CH3 C
D.
+
OH
+ CO2 + H2O
CH3 C
E. *
O
H
+ CO + H2O
H
C
O
.
+
.
+
OH
+ CO2 + H2O
F.
.
31. Dicarboxylic saturated acid is:
?+?+?
H
O
C
A.
H
C
OH .
C
H
B.
.
C. *НООС -СН2 -СООН .
D. H-COOH.
E. HООС-СН = CН - СООН.
32. What acid is decomposed into СО and H2O during heating with concentrated H2SO4?
A. *НСООН.
B. С6Н5СН2СООН.
C. СН3СООН.
D. С6Н5СООН.
E. СН2 = СН - СООН.
33. What is butyn-3-oic acid?
COOH
OH
A.
B. *
CH
.
C
CH2 COOH
.
CH3 CH2 CH COOH
OH
C.
.
CH2 CH2 COOH
D. OH
.
CH3 CH COOH
OH
.
34. Fatty acids are acids which contain the following amount of carbon atoms:
A. С1, С2.
B. С3- С7.
C. *С16, С18, С20.
D. С1-C5.
E. С3- С4.
35. In analytical chemistry for the determination calcium ions use such dicarbonic acid:
A. *Oxalic acid.
B. Malonic acid.
C. Adipinic acid.
D. Succinic acid.
E. Gylutaric acid.
36. Formic acid is formed in reaction:
A. 2CH3-COONa + H2SO4 + t =.
B. *2CH4 + 3O2 + catalyst =.
C. 2C4H10 + 5O2 =.
D. 2C36H74 + 5O2 =.
E. R-CH2OH + O2 = .
37. Ester can form in such reaction:
A. СН3СООН + NН3 = СН3СОNН2 + Н2О.
B. СН3СООН +РСІ5 = СН3СОСІ + Н2О.
C. RСООН + Н2О = RСОО- + Н3О+.
D. СН3СООН + NаОН = СН3СООNа + Н2О.
E. *СН3СH2CООН + С2Н2ОН = СН3СH2СООС2Н5+ Н2О.
38. The unsaturated dicarboxylic acid is:
A. *НООС - СН = СН - СООН.
E.
H
C
C
H
B.
.
C. НООС (СН2)СООН.
D. H─COOH.
E. СН2 = CН - СООН.
39. What reagent is need for separated olein acid
?
A. NaOH.
B. Ethyl-acetate.
C. *Brome water solution.
D. NH3.
E. NaHCO3.
and stearic acid
CH3 C CH2 COOH
40. What product can form after decarboxylation acetoacetic acid:
O
CH3 C CH2 OH
O
A.
B.
CH
C
.
CH2 COOH
.
CH3 C CH3
O
C. *
.
O
H
CH3 C CH2 C
O
D.
CH3 C
.
C
O
O
H
.
41. Such compound can form after reaction lactic acid with SOCl2:
CH3 CH COOH + SOCl2
?
E.
OH
CH3 CH
C
O
Cl
Cl
A. *
.
CH3 CH COOH
Cl
B.
.
Cl
CH3
C
COOH
Cl
C.
.
CH2 CH
COOH
OH
D. Cl
CH2 CH
COOH
E. Cl
Cl
.
.
42. Hydroxyl-acid is:
A. Cyclic structures: lactides and lactones.
B. *Derivative carboxylic acids in molecule which is hydroxyl-group.
C. Derivative carboxylic acids in molecule which is amino-group.
D. Aromatic carboxylic acids.
E. Derivative carboxylic acids in molecule which is carbonyl-group.
43. Oxo-acid is:
A. Cyclic structures: lactides and lactones.
B. Derivative carboxylic acids in molecule which is hydroxyl-group.
C. Derivative carboxylic acids in molecule which is amino-group.
D. Aromatic carboxylic acids.
?
E. *Derivative carboxylic acids in molecule which is carbonyl-group.
44. The number of carboxyl groups which are in molecule of hydroxyl-acids is called:
A. Valency.
B. *Basity.
C. Solubility.
D. Insolubility.
E. Saturation.
45. Oxo-acid is classified by the type of carbonyl group:
A. Saturated and unsaturated.
B. Soluble and insoluble.
C. *Aldehydo- and keto-acids.
D. Aliphatic and aromatic.
E. Cyclic and acyclic.
46. Pyrovic acid is:
A. CH2═CH─CH2─COOH.
B. HOOC-CH═CH─CH2─COOH.
C. NH2-CH2-COOH.
D. *
CH2 CH
E. Cl
47.
48.
49.
50.
51.
.
COOH
Cl
.
The simplest oxo-acid is:
A. *Pyrovic.
B. Glycolic.
C. Acetoacetic.
D. Oxaloacetic.
E. Tartaric.
In Krebs cycle (tricarboxylic acid cycle) can form such compounds:
A. Lactic and pyrovic acids.
B. Acetoacetic and sulfuric acids.
C. *Isocitric and α-keto-glutaric acids.
D. Isocitric and aconitic acid.
E. Citric acid and acetone.
Tartaric acid is:
A. CH2═CH─CH2─COOH.
B. HOOC-CH═CH─CH2─COOH.
C. NH2-CH2-COOH.
D. СН3-СО-СООН.
E. *HOOC-CH(ОН)CH(ОН)COOH.
Hydroxyl acid has acidic properties because they contain:
A. NH2-group.
B. OH-group.
C. *СООН-group.
D. Double bonds.
E. SH group.
The pyrovic acid is formed in such reaction:
CH2 CH2 C
A.
NH2
O
OH - NH3
CH2 CH
C
O
OH
.
CH3
CH
COOH
+
SOCl2
OH
B.
10
CH3 CH COOH
C.
to
NH2
?
.
HNO2
? + ? +?
.
.
D. *
CH3 CH
? + ?
CH2 COOH
NH2
E.
.
52. Citric acid formula is:
CH2 COOH
HO C
2
COOH
CH2 COOH
A. *
.
COOH
2
HO
CH2
CH
COOH .
B.
COOH
HO
CH
C. HO CH COOH .
CH3 CH
D.
COOH
OH
.
COOH
OH
.
53. Hydroxyl-acid is:
E.
A.
.
B. СН3 - СН2 - СООН.
.
C.
D. *
.
.
E.
54. Oxo-acid is:
A.
.
B. *
.
C.
.
D.
.
E.
.
55. What is the saturated acid?
A. Linolenic.
B. Arachidonic acid.
C. Olein.
D. *Arachinoic.
E. Linolic.
56. What positions of C=C are in molecule of linolic acid?
A. * (9-10, 12-13).
B. (5-6, 8-9, 11-12, 14-15).
C. (9-10, 12-13, 15-16, 18-19).
D. (5-6, 9-10, 14-15).
E. (9-10, 14-15).
57. What fatty acids are essential for human body?
A. Arachinoic and arachidonic.
B. *Linoleic and linolenic.
C. Palmitic that stearic.
D. Oleic that stearic.
E. Palmitic and arachidonic.
58. What positions of C=C are in molecule of linolenic acid?
A. (9-10, 12-13).
B. * (9-10, 12-13, 15-16).
C. (9-10, 14-15).
D. (8-9, 11-12, 14-15).
E. (5-6, 9-10, 14-15).
59. What the saturated fatty acids prevails in the human body?
A. Lauric.
B. Palmitic.
C. *Stearic.
D. Enanthic.
E. Myristic.
60. What positions of C=C are in molecule of arachidonic acid?
A. (9-10, 12-13).
B. * (5-6, 8-9, 11-12, 14-15).
C. (9-10, 12-13, 15-16, 18-19).
D. (5-6, 9-10, 14-15).
E. (9-10, 14-15).
61. What positions of C=C are in molecule of oleic acid?
A. (9-10, 12-13).
B. (15-16, 18-19).
C. * (9-10).
D. (11-12, 14-15).
E. (5-6).
62. What the unsaturated fatty acids prevails in the human body?
A. Linoleic acid.
B. *Oleic acid.
C. Arachidonic acid.
D. Palitooleic acid.
E. Linolenic acid.
63. What is this lipid name:
A. *Stearooleopalmitate.
B. Stearodioleate.
C. Stearodipalmitate.
D. Oleodistearate.
E. Oleodipalmitate.
64. What lipids are nonsaponifiable?
A. Glycolipids.
B. Phospholipids.
C. Waxes.
D. *Prostoglandine.
E. Fats.
65. Formula of wax is:
?
A.
.
B.
C. *
D.
E.
66. What is compound name:
A. Phosphatidylcholine.
B. Phosphatidylethanolamine (cephalin).
C. Phosphatidylserine.
D. *Phosphatidic acid.
E. Phosphoglycerol.
?
67. What is this lipid:
name?
A. Stearooleopalmitate.
B. Stearodioleate.
C. *Stearodipalmitate.
D. Oleodistearate.
E. Oleodipalmitate.
68. Triglyceride which contains only same fatty acid residues is:
A. Neutral.
B. *Simple.
C. Compound.
D. Artificial.
E. Mixed.
69. Formula of phosphatidylethanolamine (cephalin) is:
A.
B.
C.
D. *
E.
70. Waxes are…. by chemical structure.
A. Ethers of fatty acids and lower monoatomic alcohols.
B. Ethers of fatty acids and diatomic alcohols.
C. *Esters of fatty acids and long carbon chain monoatomic alcohols.
D. Esters of higher fat acids and triatomic alcohols.
E. Esters of hydrocarboxylic acids and lower monoatomic alcohols.
71. What is this lipid:
A. Stearooleopalmitate.
B. Stearodilactate.
C. Stearodipalmitate.
D. *Dioleostearate.
E. Oleodipalmitate.
72. Formula of glicolipid is.
A.
B.
C.
D.
name?
E. *
73. Triglyceride which contains different fatty acid residues is:
A. Neutral.
B. Simple.
C. *Compound.
D. Artificial.
E. Mixed.
74. Lipid is…. by chemical structure:
A. Ethers of lower carboxylic acids and alcohols.
B. *Esters of fatty acids and alcohols.
C. Esters of hydroxylacid and higher monoatomic alcohols.
D. Ethers of fatty acids and diatomic alcohols.
E. Esters of hydroxylacid and long carbon chain monoatomic alcohols.
75. This reaction:
A. Oxidation.
B. Hydrogenates.
C. Esterification.
D. *Saponifiable.
E. Elimination.
76. Unsaturated fatty acid:
A. Palmitic.
B. *Linolenic.
C. Butanoic.
D. Myristic.
E. Stearic.
77. What is this lipid:
name?
A. Stearooleopalmitate.
B. Stearodioleate.
C. Stearodipalmitate.
D. *Trioleate.
E. Oleodipalmitate.
78. What formula of triacidilglyceride?
A. *
is:
B.
C.
D.
E.
79. Waxes are all compounds except:
A. *Menthol.
B. Lanoline.
C. Spermaceti.
D. Ozocerite.
E. Bee beeswax.
80. What class is this lipid
?
A. Waxes.
B. Oil.
C. Fats.
D. Gilicolipids.
E. *Phospholipids.
81. What methods of research fats are used?
A. Supervision and comparison.
B. Comparison and generalization.
C. *Analysis and synthesis.
D. Supervision and generalization.
E. Comparison and analysis.
82. Fats are classified by nature into:
A. *Vegetable and animal.
B. Only vegetable.
C. Only animal.
D. Only microbes.
E. Only animal and microbes.
83. Fat contain……. in molecular as rule.
A. *Residues of high molecular saturated carboxylic acids.
B. Residues of high molecular unsaturated carboxylic acids only.
C. Residues of low-molecular unsaturated carboxylic acids.
D. Residues of low-molecular saturated carboxylic acids.
E. Residues of low-molecular hydroxycarboxylic acids.
84. Oils contain……. in molecular as rule.
A. Residues of high molecular saturated carboxylic acids.
*Residues of high molecular unsaturated carboxylic acids only.
Residues of low-molecular saturated carboxylic acids.
Residues of low-molecular hydroxycarboxylic acids.
Residues of low-molecular unsaturated carboxylic acids.
What groups of acids are only acids which is in fats and oils?
A. Heptanoic, octanoic, butanoic, palmitic.
B. Stearin, octanoic, oleic.
C. *Palmitic, stearic, oleic, linolic.
D. Butanoic, ethanoic, palmitic, linolenic.
E. Enanthic, succinic, oleic.
Typical reaction for fats, as all esters is:
A. *Hydrolysis.
B. Dehydration.
C. Dehydrogenization.
D. Nitration.
E. Sulphatation.
Base hydrolysis of fats is used for prepare:
A. *Glycerol.
B. Low-molecular unsaturated carboxylic acids.
C. Margarine.
D. Oils.
E. Waxes.
Oils can transformation in to fats. What is reaction name?
A. *Hydrogenizing.
B. Hydrolysis.
C. Dehydrogenization.
D. Dehydration.
E. Oxidation.
The hydrogenizing fats can use on:
A. Prepare of drying oil.
B. Higher molecular carboxylic acids.
C. *Prepare of margarine, soap.
D. Prepare of alcohols.
E. Prepare of glycerin.
In reaction aldehydes with hydrocyanic acid are formed:
A. Acetals.
B. Hydrates.
C. *Cyanohydrates.
D. Hemiacetals.
E. Schiff’s base.
What product is formed if aldehydes react with amines?
A. Acetals.
B. Hydrates.
C. Cyanohydrates.
D. Hemiacetals.
E. *Schiff's bases.
What product is formed if aldehydes react with water?
A. Acetals.
B. *Hydrates.
C. Cyanohydrates.
D. Hemiacetals.
E. Schiff bases.
What product can form if aldehydes react with one molecule of alcohol?
A. Acetals.
B. Hydrates.
C. Cyanohydrates.
D. *Hemiacetals.
B.
C.
D.
E.
85.
86.
87.
88.
89.
90.
91.
92.
93.
E. Schiff bases.
94. In reaction aldehydes with two molecules of alcohol can form:
A. *Acetals.
B. Hydrates.
C. Cyanohydrates.
D. Hemiacetals.
E. Schiff’s bases.
95. In oxidation reaction of aldehydes can form:
A. Acetals.
B. Hydrates.
C. Cyanohydrates.
D. Schiff’s bases.
E. *Carboxylic acids.
O
CH3 CH2 C
H is formed in alkaline hydrolysis from such compound:
96. Propanal:
*CH3-CH2-CHCl2.
CH3-CH2-CH2-NO2.
CH3-CH2-CH2-NH2.
CH3-CH2-CH2-OH.
CH3-CH2-CH2-Cl.
97. Ethanal is formed in such reaction:
A. СН3-СН = СН2 + НОН →.
B. СН2 = СН2 + НОН →.
C. СН3-СООН + НОН →.
D. *НС ≡ СН +НОН →.
E. СН3- СН2-Сl + NaOH →.
98. Tollens and Benedict's test are used for:
A. To determine acidic properties of aldehydes.
B. To determine all reduction properties of ketons.
C. *To determine aldehydic group in compounds.
D. To prepare hemiacetal.
E. To study СН-acid properties of alkynes.
99. Which functional group is in the aldehydes?
A. *Carbonyl group.
B. Carboxyl group.
C. Nitro group.
D. Phenyl group.
E. Sulfo group.
100. Formalin is:
A. Water solution of ethanal.
B. *Water solution of formaldehyde.
C. Water solution of acetone.
D. Alcoholic solution of ethanal.
E. Alcoholic solution of formaldehyde.
101. The carbon atom in carbonyl group of aldehydes and ketones has:
A. sp4- hybridization.
B. sp3- hybridization.
C. *sp2- hybridization.
D. sp-hybridization.
E. Not hybridization.
A.
B.
C.
D.
E.
CH3 C
102.
What product is formed if ethanal react with an ethanol:
A. *Hemiacetals.
O
H
+ C2 H5 OH
OH
CH3 CH
OC2 H5
?
B.
C.
D.
E.
103.
A.
B.
C.
D.
E.
104.
A.
B.
C.
D.
E.
Esters.
Acetals.
Hydroxylaldehydes.
Lactones.
What compound can determine by an iodoform test?
Ethanal.
Formaldehyde.
*Acetone.
Butanal.
Benzaldehyde.
For aldehydes and ketones are typical such reaction:
Nucleophilic substitution.
*Nucleophilic addition.
Electrophilic substitution.
Electrophilic addition.
Elimination.
H
105.
A.
B.
What product is formed if formaldehyde reacts with hydrocyanic acid?
CH3 C
CH3
N
CH2 C
CH3 NH
CH2 C
E. OH
106.
A.
B.
C.
D.
E.
107.
A.
B.
C.
D.
E.
108.
A.
B.
C.
D.
E.
109.
A.
B.
C.
D.
E.
110.
A.
B.
C.
D.
.
CH2 NH2
N
C. * OH
D.
C
OH
.
.
.
OH
N
OH
.
You can determine ethanal in solution by such reagent:
Adamkevich.
Foll.
*Tollens.
Xanthoprotein.
Millon.
What reagents are used for determination of aldehydic group in compounds?
* [Ag(NH3)2]OH.
Br2(H2O).
Ca(OH)2.
Solution of KMnO4.
25 % solution of H2SO4.
Disproportionation reaction of formaldehyde is:
*Oxidation-reduction reaction.
React with water.
React with hydrogen.
Dehydration reaction.
Decarboxylation reaction.
For aldehydes are typical all reaction except:
React with hydrocyanic acid.
React with alcohols.
React with water.
*React with carboxylic acids.
React with amines.
In reaction: CH3-C(О)Н + HCN → is formed:
СН3 - СН=N.
*СН3-СН(OH)-СN.
NC-CH2-CH2-CN.
СН3-CH2-СН(ОН)-СN.
O
H
+
HCN
?
E. СН3-СН = N-H.
111.
A.
B.
C.
D.
E.
In reaction:
СН3-CH2-СH (OC2H5)-OH.
СН3-CH(ОСН3)-Н.
СН3-CH2-СН(ОСН3) -OC2H5.
*СН3-CH2-СН(OСН3)-ОН.
СН3-CH2-С(ОСН3)3.
is formed:
CH3 C CH3
112.
A.
B.
C.
D.
E.
113.
A.
O
What reagent you can use for determine this compound:
HCN.
H2N-NH2.
CH3CH2OH (H+).
*I2 + NaOH.
NaHSO3.
Polymerization reaction is typical for such compound:
CH3 C CH3
O
?
.
B. *
.
C. С6Н5-С (О)-СН3.
D. CH3─C (О)─C2H5.
6
E.
114.
A.
B.
C.
D.
E.
CH3 CH2 C
O
H.
Product of this
СН3-СН2-СООН.
СН3-ОН.
СН3-СН2-С(О)Н.
*СН3-СН2-ОН.
СН3-СН2-СН2-ОН.
reaction is:
O
H3C CH
115.
A.
B.
C.
D.
E.
116.
A.
B.
C.
D.
E.
117.
A.
B.
C.
D.
E.
118.
CH
CH
C
H
Br
CH3 Br
What is this compound name
?
3-methyl-2, 4-dibromopentanal.
3-methyl-2, 4-dibromobutanal.
*2, 4-dibromo-3-methylpentanal.
2,4-dibromo-3-methylhexanal.
3-methyl-2,4- dibromopentanal.
What is reaction name if hydrogen react with aldehyde?
Hydration.
Dehydration.
*Hydrogenation.
Dehydrogenization.
Halogenations.
What can form compound if saturated aldehyde reat with hydrogen?
Ethers.
Unsaturated monoatomic alcohols.
Carboxylic acids.
Unsaturated aldehydes.
*Saturated monoatomic alcohols.
Aldehyde is named 3-ethyl-4,4-dimethylhexanal. What is it formula?
CH3 C2H5
A. *
CH
CH2
C
CH3
CH3
O
CH2
C
H
.
CH3CH3
H3C
C
O
CH2 CH2
C
C
H
CH3 C 2H5
B.
.
CH3
H3 C
CH C
O
CH2 CH
H
C2H5
CH3 CH3
C.
C
.
CH3
H3C
C
H2
D.
CH
C
O
CH2
C
H
C 2H5 CH3
.
O
H2 C
CH CH2
CH
CH3 CH
E.
3
C
H
CH3
.
O
C
119.
A.
B.
C.
D.
E.
H
In an aldehydic group
*Partly positive.
Partly negative.
-1.
+3.
+4.
charge of carbon atom is:
2
Hg

In this reaction is formed: СНСН + НОН 
A. Ethanol.
B. *Ethanal.
C. Ethanoic acid.
D. Ethane.
E. Polyethylene.
121. The organic compound is product of acetylene hydration and it react which Ag2O with formation “silver” mirror.
What is it name?
A. Ethanol.
B. Propane.
C. Acetic acid.
D. Acetone.
E. *Etanal.
122.Polymerization reaction of methanal with formation paraforme is:
A. nCH2 = CH2  (-CH2-CH2-)n.
120.
n CH2=C-CH=CH2
B.
(-CH2-C=CH-CH2-)n
CH3
CH3
n CH2=CH
(-CH2-CH-)n
CH3
C.
D. nСН8СН  (-CH2-CH2-)n.
E. *nH2C=O  (-H2C-O-)n.
123.
.
CH3
.
Compounds formaldehyde and methanal is:
A. Homologues.
B. Geometrical isomers.
C. Structural isomers.
D. *The same compounds.
E. Optical isomers.
124.
A.
B.
C.
D.
E.
125.
A.
B.
C.
D.
E.
126.
A.
B.
C.
D.
E.
Organic compounds by nature functional groups classified into:
*Hydrocarbons, alcohols, carboxylic acids, aldehydes, ketons.
Alicyclic and aromatic.
Saturated and unsaturated.
Saturated and unsaturated.
Acyclic and cyclic.
Organic compounds by structure of carbon chain classified into:
*Acyclic and cyclic.
Aromatic and carbocyclic.
Hydrocarbons, alcohols, carboxylic acids, aldehydes, ketons.
Arenas and alkynes.
Alkanes and cycloalkanes.
Classification cyclic compounds by nature atoms which are in the cycle:
Hydrocarbons, alcohols, carboxylic acids, aldehydes, ketons.
Alicyclic and aromatic.
Saturated and unsaturated.
*Carbocyclic and heterocyclic.
Acyclic and cyclic.
CH3
127.
A.
B.
C.
D.
E.
128.
A.
B.
C.
D.
E.
129.
A.
B.
C.
D.
E.
CH3
The tagged carbon atom is …… in compound:
Primary.
Secondary.
*Tertiary.
Quaternary.
Polar.
The tagged carbon atom is …… in compound: СН3-СН2-СН3.
*Primary.
Secondary.
Tertiary.
Quaternary.
Asymmetric.
The tagged carbon atom is …… in compound:СН3-СН2-СН3.
Primary.
*Secondary.
Tertiary.
Quaternary.
Asymmetric.
CH3
130.
A.
B.
C.
D.
E.
The tagged carbon atom is …… in compound:
*Primary.
Secondary.
Tertiary.
Quaternary.
Asymmetric.
CH3
The tagged carbon atom is …… in compound:
A. Primary.
B. *Secondary.
131.
CH
CH
CH3
.
CH3
CH3
.
CH2
CH
CH3
CH3
.
C. Tertiary.
D. Quaternary.
E. Asymmetric.
132.
Prefix hydroxyl - by IUPAC nomenclature has such functional group:
O
(C)
A.
B.
C.
D.
E.
133.
H.
- СООН.
*- OH.
- SH.
- NH2.
Prefix amino- by IUPAC nomenclature has such functional group:
O
(C)
A.
B.
C.
D.
E.
134.
H.
- СООН.
- OH.
- SH.
*- NH2.
Prefix carboxyl- by IUPAC nomenclature has such functional group:
O
(C)
A.
B.
C.
D.
E.
135.
H.
*- СООН.
- OH.
- SH.
- NH2.
Prefix thio - by IUPAC nomenclature has such functional group:
O
(C)
A.
B.
C.
D.
E.
136.
H.
- СООН.
- OH.
*- SH.
- NH2.
Prefix oxo - by IUPAC nomenclature has such functional group:
O
(C)
H.
*
- СООН.
- OH.
- SH.
- NH2.
137. The organic compounds which contain as functional group of -Cl, -Br are named:
A. *Halogen derivatives of hydrocarbond.
B. Alcohols.
C. Amines.
A.
B.
C.
D.
E.
D. Aldehydes.
E. Carboxylic acids.
138.
A.
B.
C.
D.
E.
139.
A.
B.
C.
D.
E.
The organic compounds which contain as functional group of -ОН are named:
Halogen derivatives of hydrocarbond.
*Alcohols.
Amines.
Aldehydes.
Carboxylic acids.
The organic compounds which contain as functional group -NH2 are named:
Halogen derivatives of hydrocarbond.
Alcohols.
*Amines.
Aldehydes.
Carboxylic acids.
O
(C)
140.
A.
B.
C.
D.
E.
OH are named:
The organic compounds which contain as functional group:
Halogen derivatives of hydrocarbond.
Alcohols.
Amines.
Aldehydes.
*Carboxylic acids.
C
141.
A.
B.
C.
D.
E.
142.
A.
B.
C.
D.
E.
143.
A.
B.
C.
D.
E.
144.
A.
B.
C.
D.
E.
145.
A.
B.
C.
D.
E.
146.
The organic compounds which contain a functional group:
*Ketons.
Alcohols.
Amines.
Aldehydes.
Carboxylic acids.
What compound is acyclic?
Cyclobutane.
*Isobutane.
Cyclopropane.
Benzene.
Aniline.
What compound is saturated?
Propyne.
*Isobutane.
Octene-3.
Ethylene.
Butadiene.
What compound is aromatic?
Pentene-2.
Octane.
Propene.
*Phenol.
2, 2-dichloropropane.
What compound is aromatic?
Propane.
Isobutane.
Octene-3.
*Benzene.
Butadiene.
What compound is unsaturated?
O
are named:
Chlormethane.
*Butene-2.
Decane.
3-aminopentane.
2, 2-dimethylbutane.
147. Aromatic compound is:
A. Isobutane.
B. Octene-3.
C. *Aniline.
D. Butadiene.
E. Propane.
148. Chemical bond which is formed by overlaps electrons is named:
A. Ion.
B. Metallic.
C. Hydrogenic.
D. *Covalent.
E. Peptid.
149. Reagents, atoms or compounds with free electron are:
A. Nucleophilic reagents.
B. Electrophilic reagents.
C. Protons reagents.
D. *Free radical reagents.
E. Ionic reagents.
150. Reagents, atoms or compounds with incomplete electron on the valency electronic level is:
A. Nucleophilic reagents.
B. *Electrophilic reagents.
C. Protons reagents.
D. Radical reagents.
E. Donor-type reagents.
151. Particles with the pair of electrons at valency electronic level are:
A. *Nucleophilic reagents.
B. Electrophilic reagents.
C. Protons reagents.
D. Radical reagents.
E. Donor-type reagents.
152. Specific arrangement of atoms in an organic compound that is capable of characteristic chemical
reactions is:
A. Primary structure.
B. Structural formula.
C. Radical.
D. *Functional group.
E. Homological row.
153. The longest possible continuous chain of carbon atoms including the functional group and the multiple
bonds:
A. *Word root.
B. Substituent.
C. Radical.
D. Functional group.
E. Homological row.
154. A group of organic compounds if there is a contain increment of change in molecular structure from one
compound in the series to the next is named:
A. Word root.
B. Substituent.
C. Functional group.
D. *Homological row.
E. Hydrocarbon radical.
155. Double bond which is in the organic compounds formed by:
A.
B.
C.
D.
E.
A.
B.
C.
D.
E.
156.
A.
B.
C.
D.
E.
157.
A.
B.
C.
D.
E.
158.
A.
B.
C.
D.
E.
159.
A.
B.
C.
D.
E.
160.
A.
B.
C.
D.
E.
161.
A.
B.
C.
D.
E.
162.
A.
B.
C.
D.
E.
163.
A.
B.
C.
D.
E.
*One σ- and one π-bond.
Two π-bonds.
Two σ- bonds.
One σ- and hydrogen bonds.
One π-bond and hydrogen bond.
Triple bond compound which is in the organic compounds formed:
Three -bonds.
Three σ-bonds.
*One and two π-bonds.
Two -bonds.
One and hydrogen bonds.
What is type of this reaction:
?
Substitution.
*Addition.
Elimination.
Rearrangement.
Reduction.
In compound CH3-CH2-CH2-Cl the substituent Cl has ..... electronic effect.
+І, -І.
+І.
*-І.
-М.
+І, -М.
What is type of this reaction:
?
*Substitution.
Addition.
Elimination.
Rearrangement.
Reduction.
In compound CH3-CH2-CH2-CH3 the substituent СН3 has ...electronic effect
+І, -І.
*+І.
-М.
-І.
+І, -М.
What atom has zero inductive effect?
С.
S.
N.
O.
*H.
Hydroxyl compounds are:
Ethers of glycerin and fatty acids.
*Derivative hydrocarbons, in molecule which one or more hydrogen atoms substituted into a hydroxygroup.
Derivative carbohydrates, in molecule which one or more hydrogen atoms substituted into Oxygen.
Derivative hydrocarbons, in molecule which one or more hydrogen atoms substituted into a С=О group.
Polymers.
Alcohols are:
*Derivative hydrocarbons, in molecules which one or more hydrogen atoms substituted into a hydroxygroup.
Compounds in which one or more hydrogen atoms substituted into alkyl radicals.
Compounds molecule which consist of a lot structural links.
Cyclic compounds in which cycle have Oxygen.
Derivative hydrocarbons, in molecules which one or more hydrogen atoms substituted into amino-
164.
A.
B.
C.
D.
E.
165.
A.
B.
C.
D.
E.
166.
A.
groups.
Classification of alcohols by a hydrocarbon chain structure:
Monoatomic, diatomic, triatomic.
Primary, second, tertiary.
Monobasic, two-basic, three-basic.
Heterocyclic and carbocyclic.
*Aliphatic, aromatic and alicyclic.
Classification of monoatomic saturated alcohols by position hydroxy-groups in carbon chain:
Monoatomic, diatomic, triatomic.
*Primary, second, tertiary.
Monobasic, dibasic, thribasic.
Heterocyclic and carbocyclic.
Aliphatic, aromatic and alicyclic.
Alcohol is:
HOH.
H
C
O
OH .
B.
C. *CH3-CH2-CH2-CH2-ОH.
CH3 CH2 C C CH2 CH3
CH3 CH3
D.
E. CH2=CH-CH3.
167.
.
What alcohol is formed after reduction of the acetone?
A. СН3 - СН 2 -СН 2-СН2 -ОН.
CH3 CH CH2 CH3
OH
B.
C.
D.
CH3 CH2
C2 H5 OH
CH3 CH
A.
B.
C.
D.
E.
169.
A.
B.
C.
D.
E.
.
.
CH3
OH
E. *
168.
.
CH2 OH
.
What reagent is used for separated glycerin and ethanol?
*Cu(OH)2.
HBr.
FeCl3.
KMnO4.
[Ag(NH3)2]OH.
Aromatic alcohols:
Derivative hydrocarbons, which hydroxy-group is attract with carbon atoms in cyclohexane ring.
Derivative aromatic hydrocarbons, which hydroxy-group is attract with carbon atoms in cycle.
*Derivative aromatic hydrocarbons, in molecule which hydroxy-group is in an alkyl radical.
Derivative aromatic hydrocarbons in which hydrogen atoms substituted into oxo-group.
Derivative aromatic hydrocarbons in which hydrogen atoms substituted into amino groups.
OH
+
170.
A.
When one mole of phenol reacts with three moles of bromine is formed:
OH
Br .
3 Br2
?
OH
B.
Br
OH
Br .
Br
Br
Br
C. *
.
OH
Br
Br .
D.
OH
Br
.
Solubility of lower aliphatic alcohols ...........in water if molecular mass increase:
A. Are increased.
B. Are not change.
C. Are not depends on molecular mass.
D. Lower alcohols not water-soluble.
E. *Are decreased.
172. Alcohols have the high boiling temperature because:
A. *Bond is polar in OH-group.
B. Lower alcohols have low solubility.
C. Molecular mass of alcohol is low.
D. Hydrocarbon chain of aliphatic alcohols is increased.
E. Alcohols have high density.
173. What halogen derivatives are reacting with alkaline water solution if formation of alcohol?
A. *CH3CH2Cl.
B. CH3 - CHCl2.
C. CH3 - CCl3.
D. C6H5Cl.
E. CH2 = CH - Cl.
174. Bromation of phenol is used as qualitative reaction on a phenol. What compound is formed when phenol
react with brome water solution?
A. 4-bromophenol.
B. 2-bromophenol.
C. 2,4-dibromophenol.
D. 3-bromophenol.
E. *2,4,6-tribromophenol.
175. It is known that some diatomic alcohols form with copper (ІІ) hydroxyl copper glycolate - complex
compound blue color. What diol is from complex?
A. Butanediol-1,4.
B. Pentadiol-1,5.
C. *Ethandiol-1,2.
D. Butanediol-1,3.
E. Propandiol-1,3.
176. Alcohol is OH- acid. What compounds have the greater acidity?
A. Propanol-2.
B. Butanol-2.
C. Pentanol-3.
D. *Methanol.
E. Ethanol.
177. Pentanol-1has a formula:
CH 3CH 2 CH 2 OH
A.
.
E.
171.
B. * CH 3CH 2 CH 2 CH 2 CH 2 OH .
C. CH 3CH 2 COOH .
D. CH 3CH 2 COH .
E. CH 3CH 2CH 2CH 2OH .
178.
A.
B.
C.
D.
E.
179.
The presence of hydrogen bonds between molecules of ethanol is possible to explain:
Esterification reaction.
Etherification reaction.
*High boiling temperature.
Changing color of indicator.
Dehydration reaction.
Pentanol-2 has a formula:
H3C CH CH3
OH
A.
.
.
B.
C.
.
D. *
.
E.
180.
A.
B.
C.
D.
E.
181.
A.
B.
C.
D.
E.
182.
CH 3CH 2 CH 2 CH 2 CH 2 OH .
What is common formula of the saturated monohydric alcohols?
CnH2n+2.
CnH2n+1-COH.
*CnH2n+1-OH.
CnH2nOH.
CnH2n-1-OH.
What is name functional group which is in alcohols?
Carbonyl.
*Hydroxyl.
Carboxyl.
Nitro.
Thio.
3,4-dimethylpentanol-2 is:
183.
184.
.
.
*
185.
186.
.
.
187.
188.
A.
B.
C.
D.
E.
189.
A.
B.
C.
D.
E.
190.
A.
B.
C.
D.
E.
191.
A.
B.
C.
D.
E.
192.
A.
B.
C.
D.
E.
193.
A.
B.
C.
D.
E.
194.
A.
B.
C.
D.
E.
195.
A.
B.
C.
.
What is name of alcohol formula which is:
2,3 - dimethylpentanol-1.
*2,3 - dimethylbutanol-1.
2,3 - dimetylbutanol-4.
3,4 - dimetylbutanol - 4.
3,4-dimetylpropanol-4.
What reactions are named the etherification reaction?
Reaction alcohols with water.
Reaction alcohols with sodium.
Reaction alcohols with carboxylic acids.
Reaction alcohols with halogens.
*Reaction between alcohol molecules.
What reactions are named the esterification reaction?
Reaction alcohols with water.
Reaction alcohols with sodium.
*Reaction alcohols with carboxylic acids.
Reaction alcohols with halogens.
Reaction between alcohol molecules.
After intermolecular dehydration of monohydric alcohols is formed:
Alkanas.
*Alkenes.
Alkynes.
Aldehydes.
Arenas.
?
What is name of alcohol formula which is:
?
2-methylbutanol -2.
2,4-dimethylbutanol-2.
*2-methylpentanol-2.
4-methylpentanol-4.
1,1 -dimethylbutanol-1.
What reaction is reaction intermolecular dehydration of propanol-1?
СН3-СН2-СН3  СН2=СН-СН3 + Н2 .
*СН3-СН2-СН2-ОН  СН2=СН-СН3 + Н2О.
СН2=СН-СН3 + Н2О  СН3-СН2-СН2-ОН.
СН2=СН-СН3 + Н2О  СН3-СН(ОН)-СН3.
СН3-СН2-СН2-ОН + Н2О  НО-СН2-СН2-СН2-ОН + Н2.
What compound is formed in intermolecular dehydration of propanol-1?
*Propene.
Propanol-2.
Propane.
Dipropyl ether.
Ethylenglycol.
What compound is formed in extramolecular dehydration of propanol-1?
Propene.
Propanol-2.
Propane.
D. *Dipropyl ether.
E. Ethylenglycol.
196.
A.
B.
C.
D.
E.
197.
A.
B.
C.
D.
E.
198.
A.
B.
C.
D.
E.
199.
A.
B.
C.
D.
E.
200.
A.
B.
C.
D.
E.
201.
A.
B.
What compound is formed after oxidation primary alcohols?
Carbon (IV) oxide.
Carbon (ІІ) oxide.
H2CO3.
*Aldehyde.
Ketone.
What compound is formed after oxidation secondary alcohols?
Carbon (IV) oxide.
Carbon (ІІ) oxide.
Carboxylic acids.
Aldehydes.
*Ketones.
CH2 CH CH2 CH3
What is class of this alcohol
Monohydric.
Dihydric.
*Trihydric.
Tetrhydric.
Tetraacidity.
H2C CH2 CH2
OH
OH
CH
OH
CH3
OH
Alcohol OH
is named:
Pentanol-1,3.
Pentanol-2,3.
1,4- dihydroxypentanol.
Pentanol-2,5.
*Pentanol-1,4.
What is qualitative test on poly atomic alcohools?
СН3-СН2-ОН + О2 
CH2 OH
+ 2HBr
CH2 OH
.
CH2 OH
+ Cu(OH)2
CH2 OH
*
.
CH2 OH
+ 2Na
CH2 OH
.
CH2
OH
CH2
OH
CH2
OH
CH
OH
CH2
OH
CH2
OH
CH
OH + Cu(OH)2
CH2
OH
CH2
OH
CH
OH + 3NO2
+ 2NaOH
.
Trinitroglycerol can form in reaction:
C. CH2
OH
+ 3Na
.
.
?
CH2
OH
CH
OH + 3HNO3
CH2 OH
D. *
CH2 OH
E.
202.
A.
B.
C.
D.
E.
203.
A.
B.
C.
D.
E.
204.
.
CH
OH + 3HBr
CH2
OH
.
What alcohol can determine by copper (ІІ) hydroxyl?
*Gycerol.
Ethanol.
Benzol.
Propanol.
Butanol.
What alcohol is used for prepare of antifreezes?
Ethanol.
Propanol.
*Ethandiol-1,2.
Propandiol - 1,3.
Methanol.
What products can form if alfa-aminobutanoic acid reacts with sulfuric acid by
CH3 CH
CH2 COOH
? + ?
NH2
heating:
CH3 CH2 CH3 +
A.
+ NH3 + CO2
B.
CH3 CH CH COOH
+ NH3
C.
CH3 CH2 NH2 +
+ CH3 COOH
.
.
.
CH3 CH CH3 + CO2
NH2
D.
CH
CH CH C
2
OH
+ NH3
.
What α-amino acid is determined by concentrated nitric acid (xanthoproteic reaction)?
E. *
205.
2
.
O
NH2
H S CH
CH COOH
2
A.
.
B. NH2-CH2-COOH.
CH3 CH COOH
NH2
C.
.
NH2
CH2 CH COOH
.
D. *
N
E.
206.
H
COOH
.
What amino acid projection is in natural proteins?
.
A.
B.
C.
D. *
COOH
H2N
E.
207.
A.
B.
C.
D.
E.
208.
A.
B.
C.
D.
E.
209.
A.
B.
C.
D.
E.
H
CH2 C6H5 .
Hydrophobic amino acids are:
Aspartic acid and lysine.
*Leucine, valine, isoleucine.
Phenilalanine, tyrosine.
Cysteine, methionine.
Glycine, tyramine.
What amino acid is contain OH group?
Histidine.
*Tyrosine.
Lysine.
Arginine.
Methionine.
What chemical elements have not the amino acids?
Hydrogen.
Oxygen.
Sulfur.
Nitrogen.
*Phosphor.
O
H2N
CH C
OH
CH2
HN
210.
A.
B.
C.
D.
E.
211.
What is amino acid named
Valine.
Leucine.
Tyrosine.
*Tryptophan.
Phenilalanine.
Heterocyclic amino acid is:
?
A.
B.
C.
D.
E.
212.
A.
B.
C.
D.
E.
213.
A.
B.
C.
D.
E.
214.
Valine.
Isoleucine.
*Histidine.
Phenilalanine.
Glycine.
What amino acid is imino-acids?
Tryptophane.
Argenine.
Tyrosine.
*Proline.
Histidine.
Carbocyclic amino acid is:
Tryptophane, argenine.
*Phenilalanine, tyrosine.
Methionine, glycine.
Valine, histidine.
Alanine, tryptophane.
What products can form in reaction if α-aminopropanoic acid react with nitrite
HNO2
10
CH3 CH COOH
? + ? +?
NH2
acid:
10
CH3 CH COOH
A.
NO2
+ H2O + NH3
.
10
CH3 CH CH2 NO2
12
B.
OH
+ CO2 +N2
.
CH3 CH COOH
C. *
OH
+ N 2 + H 2O
.
CH2 CH COOH
D.
+ NO2 + H2O
.
10
CH2 CH COOH
NO2 OH
+ H 2 O + NH3
E.
.
215. The investigation solution gives the positive ninhydrin and Foll reactions. Which component contains
this solution?
A. Hydrolyzed of proteins with aromatic α-amino acids.
B. *Hydrolyzed of proteins with sulfur-contain α-amino acids.
C. Hydrolyzed of proteins with acid α -amino acids.
D. Hydrolyzed of proteins with neutral α -amino acids.
E. Hydrolyzed of proteins with basic α -amino acids.
O
O=C
CH C
OH
CH2
C
216.
What amino acid is formed after transamination such acid
A. Glycine.
B. Asparagine.
C. Glutamic aciud.
OH
O
?
D. Alanine.
E. *Aspartic acid.
217.
Essential amino acid is:
A. Alanine, serine.
B. Asparagine, glutamine.
C. *Methionine, tryptophane.
D. Aspartic acid, glutamic aciud.
E. Cystein, praline.
218. What reaction is used for determine peptid bond in molecules of proteins?
A. Xanthoproteic.
B. Ninhydrin.
C. *Biuret.
D. Foll.
E. Adamkevich.
219. L-amino acid is formed after hydrolysis polymers. What is this biopolimer?
A. *Proteins.
B. Nucleic acids.
C. Heparin.
D. Starch.
E. Hyaluronic acid.
220. Different product is formed after heating α, β і γ-amino acid. What amino acid can be in tube if such
acids:
form?
H3 C CH CH2 C
NH2
A.
NH2
.
CH3 CH
NH2
C.
.
O
C
OH
CH2
B.
C
O
OH
.
H2C CH2 CH2 C
D.
O
OH
H2N
CH2 CH2
NH2
O
OH
O
C
OH
.
.
221. Deamination reaction is used for quantitative determination of α-amino acids in human body. What
reagent is used for this reaction?
A. *HNO2.
B. NaCl.
C. KOH.
D. NH4NO3.
E. HCl.
CH3-C=O
¦
COOH ?
222. What amino acid is formed after transamination such acid:
A. *Alanine.
B. Asparagine.
C. Glutamic acid.
D. Aspartic acid.
E. Glycine.
223. Choose sulfur-containing amino acid:
A. Arginine.
B. *Methionine.
C. Serine.
D. Tryptophane.
E. *
E. Threonine.
224.
A.
B.
C.
D.
E.
225.
A.
B.
C.
D.
E.
226.
Peptid bonds are formed between groups:
*NH2 and COOH.
NH2 and CH3.
NH2 and SH.
СООН and ОН.
СООН and СН3.
Qualitative test on all -amino acid is:
Foll.
Biuret.
*Ninhydrin.
Xanthoproteic.
Adamkevich.
Different product is formed after heating α, β і γ-amino acid. What product can form after heating such
CH2 CH2 CH2 COOH
amino acid:
NH2
?
CH2 CH2
O
A.
B.
C
C
O
CH2
CH2
CH2 N
H
CH2 CH2
O
.
CH2
C
C
.
O
N
H
C.
CH2 CH2
C
H2 C
.
O
N
H
D. *
.
E. CH2=CH-CH2-COOH.
227.
A.
B.
C.
D.
E.
228.
A.
B.
C.
D.
E.
229.
Qualitative test on all aromatic -amino acid is:
Foll.
Biuret.
Ninhydrin.
*Xanthoproteic.
Adamkevich.
Choose dicarbonic amino acid.
Isoleucine.
*Aspartic acid.
Lusine.
Leucine.
Arginine.
What product is formed in reduction diamination of -amino acids?
R
CH
COOH
.
OH
A.
R
C
NH
COOH
B.
.
C. R - CHCl - CHCl- COOH.
D. *R - CH2 - COOH.
R
E.
230.
C
O
.
Acryl acid is formed after heating of 3-aminopropanoic acid:
COOH
CH2 CH2 C
NH2
O
to
OH - NH3
CH2 CH
C
O
OH
What is type of this reaction?
Addition.
Substitution.
*Elimination.
Oxidation.
Redaction.
231. The investigation solution gives the positive ninhydrin and xanthoproteic reactions. Which component
contains this solution?
A. Imino-acids and cystein.
B. Protein and glucose.
C. Proline and alanine.
D. *Proteins or polymers with aromatic amino acid.
E. Maltose and glutamic acids.
232. What amino acid are base:
A. Tryptophane, arginine.
B. Phenilalanine, tyrosine.
C. *Arginine, lusine, histidin.
D. Leucine, glycine.
E. Aspartic and glutamic acids.
233. What product can form in oxidizing diamination alanine?
A. Propenioc acid.
B. Butanoic acid.
C. Glycol acid.
D. Propanoic acid.
E. *Lactic acid.
234. Peptid bond is formed in such reaction:
A.
B.
C.
D.
E.
F.
CH2 COOH
A.
+
HNO2
.
NH2
.
CH2 COOH
C.
NH3
NH2
CH2 COOH
B.
+
+
NH2
CH2 COOH
.
+ CH3
NH
D. * 2
CH2 COOH
E.
235.
A.
B.
C.
D.
E.
236.
A.
B.
NaOH
NH2
CH COOH
NH2
+
.
HCl
.
Ninhydrin reagent is used as qualitative test on:
Glucose.
*alfa-amino acids.
Nucleic acids.
Nucleic bases.
Imino-acids.
What is position of amino group in amino acid molecule of proteins?
- position.
- position.
C. - position.
D. *- position.
E. - position.
237.
A.
B.
C.
D.
E.
238.
A.
What amino acids are acidic?
Phenilalanine, tyrosine.
*Aspartic and glutamic acid.
Aspartic acid and glycine.
Glutamic acid and glycine.
Methionine, tryptophane.
What product is formed in oxidizing diamination of -amino acids?
R-CH=CH-COOH.
R
C
NH
COOH
B.
.
C. R-CH2-COOH.
D. R - CH=N-COOH.
R
E. *
C
COOH
O
.
O
H2 N
CH C
A.
B.
C.
D.
E.
240.
A.
B.
C.
D.
E.
N
H
CH C
CH2
CH2
CH2
CH2
C
239.
O
O
S
OH
What amino acids are in dipeptide:
*Glutamic acid and methionine.
Glutamic acid and alanine.
Glutamine and methionine.
Methionine and asparagine.
Glutamic acid and glutamine.
Disulfide bond is formed between such amino acid:
Cystein and lusine.
Argenine and glutamic acid.
*Two cystein residues.
Argenine and cystein.
Methionine and cystein.
CH3
O
H2N
CH C
CH2
OH
?
O
N
H
CH C
CH3
O
N
H
CH C
OH
CH2
CH2
S
241.
A.
B.
C.
D.
E.
What amino acids are in tripeptide:
Cystein, lusine, asparagine.
Argenin, glutamic acid, lusine.
Cystein residues.
Argenine, cystein, histidin.
*Methionine, alanine, tryptophane.
CH3
HN
?
O
H2N
O
CH C
N
H
O
CH C
CH2
N
H
CH C
CH CH3
OH
H
CH2
CH3
242.
A.
B.
C.
D.
E.
243.
OH
Thripeptid has name:
Phenilalanile- tryptophan - serine.
Alanile- glycile - tryptophan.
Isoleucile - glycile-alanine.
*Tyrosile -isoleucile - glycine.
Glycile - tyrosile -isoleucine.
How many amino acids are in
O
H2N
CH C
O
N
H
CH C
O
N
H
CH C
CH2
CH2
CH2
CH2
CH2
CH2
CH2
S
NH
CH3
C
O
O
N
H
CH C
O
N
H
CH C
CH2
OH
CH2
N
NH
OH
C
NH
NH2
peptid
A. 6.
B. 8.
C. 9.
D. 4.
E. *5.
244. How many amino acids are in
H2N
?
O
O
O
O
O
CH C
N CH C
H
CH2
N CH C
H
H
N CH C
H
CH2
N CH C
H
CH2
CH2
CH2
HN
SH
CH3
CH3
OH
CH C
H
O
O
N
H
CH C
CH2
?
N
H
CH C
OH
CH CH3
SH
This compound:
A. Dipeptid.
B. Pentapeptid.
CH2
S
O
245.
N CH C OH
H
CH2
S
peptid
A. *6.
B. 8.
C. 9.
D. 4.
E. 5.
H2N
O
CH3
is:
C. Tetraptid.
D. *Tripeptid.
E. Dekapeptid.
246.
A.
B.
C.
D.
E.
247.
A.
B.
C.
D.
E.
248.
A.
B.
C.
D.
E.
249.
A.
B.
C.
D.
E.
250.
A.
B.
C.
D.
E.
251.
A.
B.
C.
D.
E.
252.
A.
B.
C.
D.
E.
253.
A.
B.
C.
D.
E.
254.
A.
B.
C.
D.
E.
Proteins have total positive charge in which prevail:
*Lusine and argentine.
Aspartic and glutamic acids.
Lusine and glutamic acid.
Methionine, Tyrosine.
Lusine and aspartic acid.
The primary structure of protein is formed by such bond:
Ester.
Ionic.
Glycosidic.
*Peptide.
Hydrogen.
Salting up is the precipitation of proteins in solution by:
Salts of heavy metals.
Concentrated mineral acids.
*Saturated and sub-saturated solution of alkaline and alkaline-earth metals.
Alkaloids.
High temperature.
What method can use for separation proteins which have different acid-base activity?
Ion-exchange chromatography.
*Gel-filtration.
Selective adsorption.
Paper chromatography.
Affinity chromatography.
What is level of amino acids in blood plasma of healthy people?
*21,2 mmol/l.
31,2 mmol/l.
41,2 mmol/l.
51,2 mmol/l.
11.2 mmol/l.
How much albumins are in blood plasma of healthy people?
*40-50 g/l.
50-60 g/l.
30-40 g/l.
35 -45 g/l.
25-40 g/l.
How much globulins are in blood plasma of healthy people?
35-45 g/l.
*20-35 g/l.
5-35 g/l.
45-55 g/l.
10-20 g/l.
Total negative charge has proteins in which prevail:
Lusine and argentine.
*Aspartic and glutamic acids.
Lusine and glutamic acid.
Methionine, Tyrosine.
Lusine and aspartic acid.
Glycoproteins consist the protein and:
*Carbohydrate components.
Metal ion.
Phosphor.
Phenol.
Nucleotides.
255.
A.
B.
C.
D.
E.
256.
A.
B.
C.
D.
E.
257.
A.
B.
C.
D.
E.
258.
A.
B.
C.
D.
E.
259.
Chromoproteins are all except:
Haemoglobin.
*Mucin.
Myoglobin.
Histohematins.
Katalase.
The primary structure of proteins is formed...... bond:
Ester.
Ion.
*Peptids.
Hydrogeni.
Hydrophilic.
What value of рН is the isoelectric point of proteins?
*4,7-5,5
7,0-7,8
8,5 - 9,5
1,5 -2
10-12.
Total amount of proteins in blood plasma for healthy people is:
35-45 g/l.
50-60 g/l.
55-70 g/l.
*65-85 g/l.
85-95 g/l.
Formula of alfa-anomer is:
A.
.
B.
.
C.
.
D. *
.
E.
.
260.
What monossacharide is keto-hexose?
O
H
OH
H
OH
OH
CH2OH
C
H
HO
H
H
A.
.
CH2 OH
B. *
C O
HO
H
H
OH
H
OH
CH2 OH
C
H
H
H
C.
OH
OH
CH2OH
H
HO
HO
H
D.
.
O
H
OH
.
H
C
O
OH
H
H
OH
CH 2OH
.
Î
C H
HO
H
HO
H
H
OH
OH
H
CH2OH
.
261. In test tubes is: in first - glucose solution. in second - fructose. in third - starch. What reagent is used for
determine glucose?
A. *Feling’s reagent.
B. Fole’s reagent.
C. Mohr’s reagent.
D. Adamcevich’s reahent.
E. Ninhydrin.
262. Glucose is heterofunctional compounds. What functional groups is in molecule glucose.
A. Carboxyl and keton.
B. Hydroxyl and carboxyl.
C. *Aldehyde and hydroxyl.
D. Amino and keton.
E. Carboxyl and amino.
263. Aldohexose is all except:
A. D-glucose.
B. D-galactose.
C. D-mannose.
D. *D-fructose.
E. D-idose.
264. Formula of α-D-fructofuranos is:
E.
A.
HOCH
2 O OH
H H
H
OH HOH .
B.
HO
C.
CH2
O OH
H H
H
H
OH OH .
CH2 OH
HO
D.
H
O OH
OH H
H
H
H OH .
.
E. *
C
H
HO
H
H
265.
What are product of oxidation glucose by silver nitrate ammonia solution
О
H
OH
H
+ Ag
OH
OH
O
C
H
C
H
HO
H
H
A.
.
CH2OH
C O
HO
H + Ag + H2O
H
OH + NH3
OH
H
COOH
B.
H
HO
H
H
C.
.
COOH
OH
H
+ NH3
OH
OH
COOH
.
CH2OH
C O
HO
H
+ H2O
H
OH
OH
H
COOH
D.
.
E. *Silver and product oxidation of glucose.
266.
A.
What compounds is enanthiomers?
.
Î
H
OH
H
OH
OH
CH2OH
[Ag(NH3 )2 ]OH
?
B.
.
C.
D. *
E.
267.
What is formula of α-D-glucopiranose?
CH2OH
O H
H
H
OH H
OH
HO
H
OH
A. *
.
CH2OH
O OH
H
OH H
HO
H
H
OH .
H
B.
HOH2C
O
CH2OH
H
H
C.
H
D.
E.
268.
A.
B.
C.
D.
E.
269.
A.
B.
C.
D.
E.
270.
A.
B.
C.
H
H
OH OH
.
CH2OH
O
OH H
H
HOH2C
OH
H
.
CH2OH
O H
HO
H
H
H
OH
H
OH OH .
In DNA is such monocaccharose:
D-galactose.
D-glucase.
D-ribose.
*D-dioxiribose.
D-fructose.
Equivalent mixture of optical antipodes is:
Conformer.
*Racemic.
Enantiomers.
Diastereomers.
Epimers.
Diastereomers in molecule which is configuration differ only at one chiral center are:
Conformer.
Racemic.
Enantiomers.
D. Anomers.
E. *Epimers.
271.
A.
B.
C.
D.
E.
272.
A.
B.
C.
D.
E.
273.
A.
B.
C.
D.
E.
274.
A.
B.
C.
D.
E.
275.
A.
B.
C.
D.
E.
276.
A.
B.
C.
D.
E.
277.
A.
B.
C.
D.
E.
278.
A.
B.
C.
D.
E.
279.
A.
B.
C.
D.
What disaccharide is reducing sugar?
*Lactose.
Sucrose.
D-Glucose.
D-Fructose.
alfa-D-glucopiranose.
What disaccharide is formed after hydrolysis starch by enzyme β-amilase?
Sucrose.
*Maltose.
Lactose.
Galactose.
β-Celabiose.
Oligosaccharides are compounds, which hydrolyzed into …… monosaccharides:
1-5.
2-8.
2-6.
*2-10.
2-9.
Maltose is disaccharide which name:
-D-galactopyranosyl-1,4-- D-glucopyranose.
-D-fructofuranose.
*- D-glucopyranosyl-1,4-- D-glucopyranose.
- D-glucopyranosyl-1,4-- D-glucopyranose.
- D-glucopyranosyl-1,2--D-fructofuranose.
Sucrose is disaccharide which name:
-D-galactopyranosyl-1,4-- D-glucopyranose.
-D-fructofuranose.
- D-glucopyranosyl- 1,4-- D-glucopyranose.
- D-glucopyranosyl-1,4-- D-glucopyranose.
*- D-glucopyranosyl-1,2--D-fructofuranose.
Lactose is disaccharide which name:
*-D-galactopyranosyl-1,4-- D-glucopyranose.
-D-fructofuranose.
- D-glucopyranosyl-1,4-- D-glucopyranose.
- D-glucopyranosyl-1,4-- D-glucopyranose.
- D-glucopyranosyl-1,2--D-fructofuranose.
Celabiose is disaccharide which name:
-D-galactopyranosyl-1,4-- D-glucopyranose.
-D-fructofuranose.
- D-glucopyranosyl-1,4-- D-glucopyranose.
*- D-glucopyranosyl-1,4-- D-glucopyranose.
- D-glucopyranosyl- 1,2--D-fructofuranose.
Polysaccharide is:
*Starch.
Lactose.
Maltose.
Ribose.
Fructose.
Chondroitin sulphate is basis:
Muscular tissue.
*Cartilaginous tissue.
Hair.
Nervous system.
E. Blood.
280.
A.
B.
C.
D.
E.
281.
A.
B.
C.
D.
E.
282.
Heparin is basis:
Muscular tissue.
Cartilaginous tissue.
Hair.
Nervous system.
*Blood.
By the size of ring heterocyclic compound classified into:
Saturated, unsaturated aromatic.
Nitrogen-, oxygen, sulfocontain.
*Five-. six-, seven member ring.
Cycles with one and two hetero atoms.
Condensed and non condensed heterocyclic compound.
Purine is aromatic heterocyclic compound. Haw many electrons are formed π-system in purine molecule
N
N
..
N
N
H ?
A.
B.
C.
D.
E.
283.
*10
6
26
14
18
What compound is formed after reaction pyrazol with hydrochloric acid:
Cl
+
N
H
A.
+
N
B.
H
N H
.
N Cl
H
.
Cl
N
H
C.
N H
.
+
N
H
D. *
N H Cl
.
Cl
H
E.
284.
A.
N
H
N
.
Isonicotinic acid is formed after oxidation such compound:
N
CH3
.
CH3
B.
N
.
N
H
N
HCl
?
CH3
C. *
N
.
OH
N
D.
.
OH
N
E.
.
285. It is known that pyridine N
reacted by electrophylic substation more difficult than benzene,
because:
A. Atom of nitrogen has sp3-hybridization.
B. Has different size of cycle.
C. Different plane structure of ring.
D. Electrodonor properties of nitrogen atom in ring.
E. *Electroacceptor properties of nitrogen atom in ring.
286. What medicine has imidasol ring in molecule?
A. Analgine.
B. *Histamine.
C. Antipyrine.
D. Amidopyrine.
E. Furocyline.
287. What heterocyclic compound has all atoms sp2- hybridization?
A. *
N
.
N
B.
H
.
N
C.
H
.
N
H
D.
E.
288.
A.
B.
C.
D.
E.
O
CH2
.
.
What heterocyclic derivatives are used as sleeping pill?
Pyridine.
Nicotinic acid.
Xantine.
Uric acid.
*Barbituric acid.
289.
What is name of this compound
?
A. Adenosine.
B. Guanosine.
C. *Cytidine.
D. Uridine.
E. Thymidinе.
290. Heterocyclic compounds have hetero-atoms. What are classified heterocyclic compounds by nature
hetoro-atoms?
A. Saturated, unsaturated, aromatic.
B. *Nitrogen-, Oxygen-, Sulfur-contain compounds.
C. Five-, six-, seven-member ring.
D. Cycles with one and two hetero atoms.
E. Condensed and non condensed heterocyclic compound.
N:
N
291. Pyrimidine( ..
) is aromatic heterocyclic compounds. Haw many electrons are formed π-system in
molecule:
A. 2.
B. 4.
C. *6.
D. 10.
E. 14.
292. What reagent can react with pyrole by hetero-atom?
A. *NaNH2.
B. NaOH.
C. (CH3CO)2O.
D. (SnCl4).
E. SO2Cl2.
293. Nitrogen atom in molecule of pyridine has electroacceptor effect. What product is formed in reaction
Br2
SO3
N
with brome
SO3 Br
N
A.
.
Br
N
B.
.
N
C.
Br
Br
Br
Br
Br
D.
.
N
H
Br
.
?
Br
N
E. *
.
294. Aromatic nitrogen-contain cycles can have two type nitrogen pyrole and pyridine atom. What compound
has both atoms?
N
H
A.
.
N
B. *
C.
N
H
N
.
.
N
D.
N
.
N
E.
295.
A.
B.
C.
D.
E.
296.
H
.
Condensed heterocyclic compound is:
Furan.
Pyrole.
*Purine.
Pyridine.
Pyrazine.
Histidine is α-amino acid, which is in proteins. What heterocyclic ring is in
N
N
CH2 CH
COOH
NH2
histidine: H
?
A. Indole.
B. Purine.
C. *Imidazole.
D. Pyrazine.
E. Pyrazolone-5.
297. Antipyrinum, amidopyrinum and metapyrin are medical reagent. What hetorocyclic compound are they
derivative?
A. Pyrole.
B. Purine.
C. Imidazole.
D. Pyrazine.
E. *Pyrazolone-5.
298.
A.
B.
C.
D.
What name of this compound:
Adenine.
Guanine.
Cytosine.
*Uracil.
?
E. Thymine.
299.
What reaction is used for determine bases properties of pyridine?
HNO3
- H2O
N
NO2
N
A.
.
HCl
N
+
Cl
N
H
B. *
.
CH3COOOH
N
+
N
O
C.
.
H2
N
N
H
D.
.
Br2
Br
N
E.
300.
N
.
Barbituric acid is formed by condensation such reagents:
O
C OC H
2 5
+ NH3
CH2
+ 2CO2
C O
A.
NH2
.
O
C NH
2
CH2
+ CO2
O
C
B.
NH2
.
O
C OH
+ 2NH3
CH2
+ CO2
C O
C.
OH
.
O
C OC H
2 5
+ 2NH3
CH2
+ CO
C O
D.
OC2 H5
.
O
C OC H H N
2
2 5
CH2
+
C O
C O
H2N
OC2H5
E. *
.
301. Typical reactions for pyridine are electrophonic (SE) and nucleophilic (SN) substation. Pyridine has lest
reactivity in electrophonic (SE) substation then benzene because:
A. Basic properties.
B.
C.
D.
E.
302.
A.
B.
C.
D.
E.
303.
A.
B.
C.
D.
E.
304.
A.
B.
C.
D.
E.
305.
A.
B.
C.
D.
E.
306.
A.
B.
C.
D.
E.
Aromatic properties.
*Electroacceptor properties of atom nitrogen.
Hybridization of carbon atoms.
Size of cycle pyridine.
What heterocycl is in uric acid?
Pyrole.
*Purine.
Imidazole
Pyrazine.
Pyrazolone-5.
What compound has tetrapyrole ring?
Uric acid.
Nicotinic acid.
Xanthine.
*Vitamin B12.
Barbituric acid.
Qualitative tests on purine ring in uric acid is:
Tromer’s reaction.
Iodoform reaction.
*Murexide test.
FeCl3 solutin.
Selivanov’s reaction.
What name of this compound
?
*Adenine.
Guanine.
Cytosine.
Uracil.
Thymine.
All heterocycles is classified by nature of bond in ring into:
*Saturated, unsaturated, aromatic.
Nitrogen-, Oxygen-, Sulfur-contain compounds.
Five-, six-, seven-member ring.
Cycles with one and two hetero atoms.
Condensed and non condensed heterocyclic compounds.
OH
N
307.
A.
B.
C.
D.
E.
308.
N
OH is derivative of:
Barbituric acid HO
Pyrazole.
Pyrimidine.
Pypirazine.
*Pyridine.
Pyrazine.
Nicotinic acid is formed in such reaction:
[O]
A.
B. *
N
CH3
CH3
N
.
[O]
.
CH3
[O]
N
C.
.
CH3 CH
CH3
[O]
N
D.
E.
309.
CH3
N
.
[O]
CH3
.
What heterocycle has week acidic properties?
O
A.
N
B.
S
C.
.
.
.
N
D.
.
N
H
.
310. Imidazole has basic properties because it contain pyridine nitrogen atom. What reagent you can spend
for determination it
E. *
N
?
N
A.
B.
C.
D.
E.
F.
311.
A.
B.
C.
D.
E.
312.
A.
B.
C.
D.
E.
H
CH3MgI.
NaOH.
NaNH2.
*HCl.
Na2CO3.
Uric acid is heterocyclic compound and is strong acid. What basicity is it?
Monobasic.
*Dibasic.
Tribasic.
Polybasic.
Pentabasic.
What heterocyclic compound is in bile and has orange color?
Uric acid.
*Bilirubin.
Xanthine.
Vitamin B12.
Heme.
C
313.
A.
B.
C.
D.
What is this compound:
Adenine.
*Nicotinamide.
Cytosine.
Uracil.
N
O
NH2
name?
E. Thymine.
314.
A.
B.
C.
D.
E.
315.
A.
B.
C.
D.
E.
316.
A.
B.
C.
D.
E.
317.
A.
B.
C.
D.
E.
318.
A.
B.
C.
D.
E.
319.
A.
B.
C.
D.
E.
Secondary structure of DNA is formed by …… bond:
Ester.
Ionic.
Glycosidic.
Peptide.
*Hydrogen.
Adenine with thumine forms ….. hydrogen bond in nucleic acids.
One.
Three.
*Two.
Six.
Five.
Waxes are all compounds except:
*Menthol.
Lanoline.
Spermaceti
Ozocerite.
Bee beeswax.
What disaccharide has such formula
Sucrose.
Maltose.
Lactose.
Galactose.
*Celobiose.
?
What disaccharide has such formula
Sucrose.
Maltose.
*Lactose.
Galactose.
Celabiose.
?
What disaccharide has such formula
*Sucrose.
Maltose.
Lactose.
Galactose.
Celabiose.
?
320.
A.
B.
C.
D.
E.
321.
A.
B.
C.
D.
E.
322.
A.
B.
C.
D.
E.
323.
A.
B.
C.
D.
E.
324.
A.
B.
C.
D.
E.
325.
A.
B.
C.
D.
E.
What disaccharide has such formula
Sucrose.
*Maltose
Lactose.
Galactose.
Celabiose.
?
This reaction:
is reaction formation of ……
Sucrose.
Lactose.
Galactose.
*Starch.
Celabiose.
In polypeptide chains of protein are:
α-D-amino acid.
β-L-amino acid.
γ-D-amino acid.
β-D- amino acid.
*α-L- amino acid.
In isoelectric point...
Protein is most ionized.
*Protein is electro-neutral.
Protein has most positive charge.
Solubility of protein is most.
Protein is more mobile in the electric field.
Isoelectric point of protein this:
*Value of рН environment in which total electric charge of proteins molecule = 0.
Value of рН environment in which total electric charge of proteins molecule = 1.
Value of рН environment in which total electric charge of proteins molecule = 2.
Value of рН environment in which total electric charge of proteins molecule = 1.5.
Value of рН environment in which total electric charge of proteins molecule = 10.
In an isoelectric point...
Protein is most ionized.
*Protein is electro-neutral.
Protein has most positive charge.
Solubility of protein is most.
Protein is more mobile in the electric field.
Choose long-chain fatty acids:
A. Acrylic.
B. Linolic.
C. Lactic.
D. Citric.
E. Methanoic.
ANSWER: B
Choose polyunsaturated fatty acid:
A. Citric.
B. Arachidonic.
C. Stearic.
D. Oleic.
E. Palmitic.
ANSWER: B
Choose formula of solid soap:
A. (C3H7COO)2Mg.
B. C17H33COOК.
C. (C3H7COO)2Са.
D. (C5H12COO)2Zn.
E. C17H35COONa.
ANSWER: E
Choose saturated fatty acid:
A. Palmitic.
B. Arachidonic.
C. Linoleic.
D. Oleic.
E. Linolenic.
ANSWER: A
Choose saturated fatty acid:
A. Oleic.
B. Arachidonic.
C. Linolenic.
D. Linoleic.
E. Stearic.
ANSWER: E
Choose formula of calcium stearate:
A. (C17H35COO)2Mg.
B. C17H35COOК.
C. (C17H35COO)2Са.
D. (C17H33COO)2Ca.
E. C17H35COONa.
ANSWER: C
Choose product of hydrolysis of oil:
A. Arachidic acid.
B. Stearic acid.
C. Citric acid.
D. Oleic acid.
E. Palmitic acid.
ANSWER: D
Choose product of hydrolysis of oil:
A. Ethanol.
B. Palmitic acid.
C. Ehtylenglycol.
D. Acetic acid.
E. Arachidonic acid.
ANSWER: E
Choose product of hydrolysis of fat:
A. Ethanol.
B. Palmitic acid.
C. Ehtylenglycol.
D. Acetic acid.
E. Arachidonic acid.
ANSWER: B
Choose formula of sodium stearate:
A. (C17H35COO)2Mg.
B. C17H35COOК.
C. (C17H35COO)2Са.
D. C17H33COOK.
E. C17H35COONa.
ANSWER: B
Choose formula of butyric acid:
A. С2Н5СООН.
B. С3Н7СООН.
C. С8Н17СООН.
D. НСООН.
E. СН3СООН.
ANSWER: B
Saponification number is:
A. It is the number of milligrams of potassium hydroxide required to neutralise the free fatty
acids in 1 g of the oil or fat.
B. It is number of milligrams of potassium hydroxide required tо completely saponify l g of the
oil or fat.
C. It is the number of grams of iodine that combine with 100 g of oil or fat. It is а measure of the
degree of unsaturation of а fat or oil.
D. It is the number of millilitres of 10 molarity solution of potassium hydroxide required to
neutralise the distillate of 5 g of the fat.
E. It is the number of grams of potassium permanganate required tо oxidizes the 100 g of oil or
fat.
ANSWER: B
Acidic number is:
A. It is the number of milligrams of potassium hydroxide required to neutralise the free fatty
acids in 1 g of the oil or fat.
B. It is number of milligrams of potassium hydroxide required tо completely saponify l g of the
oil or fat.
C. It is the number of grams of iodine that combine with 100 g of oil or fat. It is а measure of the
degree of unsaturation of а fat or oil.
D. It is the number of millilitres of 10 molarity solution of potassium hydroxide required to
neutralise the distillate of 5 g of the fat.
E. It is the number of grams of potassium permanganate required tо oxidizes the 100 g of oil or
fat.
ANSWER: A
Iodine number is:
A. It is the number of milligrams of potassium hydroxide required to neutralise the free fatty
acids in 1 g of the oil or fat.
B. It is number of milligrams of potassium hydroxide required tо completely saponify l g of the
oil or fat.
C. It is the number of grams of iodine that combine with 100 g of oil or fat. It is а measure of the
degree of unsaturation of а fat or oil.
D. It is the number of millilitres of 10 molarity solution of potassium hydroxide required to
neutralise the distillate of 5 g of the fat.
E. It is the number of grams of potassium permanganate required tо oxidizes the 100 g of oil or
fat.
ANSWER: C
Biological role of phospholipids in living organism:
A. Protective.
B. Thermoregulation.
C. Energy storage.
D. Structural.
E. Potential energy.
ANSWER: D
How many are double bonds C=C in molecule of linoleic acid?
A. One.
B. Two.
C. Four.
D. Three.
E. No one.
ANSWER: B
How many is double bonds C=C in molecule of oleic acid?
A. One.
B. Two.
C. Four.
D. Three.
E. No one.
ANSWER: A
How many is double bonds C=C in molecule of linolenic acid?
A. One.
B. Two.
C. Four.
D. Three.
E. No one.
ANSWER: D
How many is double bonds C=C in molecule of arahidonic acid?
A. One.
B. Two.
C. Four.
D. Three.
E. No one.
ANSWER: C
Reaction hydrogenising is typical for such acid:
A. Formic acid.
B. Stearic acid.
C. Oleic acid.
D. Palmitic acid.
E. Oxalic acid.
ANSWER: C
In molecule lecithin is such aminoalcohol:
A. Ethanolamine.
B. Inositol.
C. Choline.
D. Dopamine.
E. Catecholamine.
ANSWER: C
Liquid soap is:
A. (C17H35COO)2Mg.
B. C17H35COOК.
C. (C17H35COO)2Са.
D. (C17H33COO)2Zn.
E. C17H35COONa.
ANSWER: B
What are you used reagent for separate oleic acid and stearic acid?
A. NaOH.
B. Ehtylacetate.
C. Solution of bromine.
D. Cu(OH)2.
E. NaHCO3.
ANSWER: C
“Saponification” reaction is:
A.
Enzyme hydrolysis of oils.
B.
Base hydrolysis of fats.
C.
Acidic hydrolysis of fats.
D.
Reduction reaction of fats and oils.
E.
Hydrogenation of oils.
ANSWER: B
What acid can react with hydrogen?
A. Palmitic.
B. Butanoic.
C. Linolic.
D. Stearic.
E. Oxalic.
ANSWER: C
What is this acid: C19H31COOН name?
A. Linoleic.
B. Arachidonic.
C. Stearic.
D. Oleic.
E. Palmitic.
ANSWER: B
Biological role of fats in living organism:
A. Protective.
B. Thermoregulation.
C. Energy storage.
D. Regulation.
E. Catalytic.
ANSWER: C
What is this acid C15H31COOН salt name?
A. Oleate.
B. Stearate.
C. Palmitate.
D. Acetate.
E. Urate.
ANSWER: C
How many is double bonds C=C in molecule of oleic acid?
A. One.
B. Two.
C. Four.
D. Three.
E. No one.
ANSWER: A
What is formed products after enzyme hydrolysis fats?
A. Glycerol and fatty acids.
B. Ethanol and fatty acids.
C. Sphingosine and fatty acids.
D. Choline and fatty acids.
E. Cholesterol and fatty acids.
ANSWER: A
Provitamin of vitamin A is:
A. Cholesterol
B. Testosterone.
C. Cortisone.
D. Squalene.
E. β-carotene.
ANSWER: E
Oleic acid is:
A. Dicarboxylic acid.
B. Keto-acid.
C. Aldo-acid.
D. Hydroxyl acid.
E. Monocarboxylic acid.
ANSWER: E
Fat is…. by chemical structure:
A. Ethers of lower carboxylic acids and alcohols.
B. Esters of higher fatty acids and trihydric alcohols.
C. Esters of hydroxylacid and long carbon chain monohydric alcohols.
D. Ethers of fatty acids and dihydric alcohols.
E. Ethers of dicarboxylic acids and lower monohydric alcohols.
ANSWER: B
Hydrogenation is typical for such acid:
A. Propanoic.
B. Palmitic.
C. Butanoic.
D. Lactic.
E. Oleic.
ANSWER: E
What acid is present in butter?
A. Acetic.
B. Palmitic.
C. Lactic.
D. Butanoic.
E. Oleic.
ANSWER: D
What vitamin is synthesized in the skin babies under sunlight since cholesterol?
A. D3.
B. A.
C. C.
D. E.
E. K.
ANSWER: A
What is common name of butanoic acid?
A. Butyric acid.
B. Valeric acid.
C. Fumaric acid.
D. Lactic acid.
E. Glycolic acid.
ANSWER: A
Triglycerides are natural esters of glycerol with:
A. Tribasic carboxylic acids, e.g. citric acid
B. High molecular weight aromatic carboxylic acids
C. Long chain aliphatic carboxylic acids
D. Tribasic mineral acids, e.g. orthophosphoric acid
E. Dibasic carboxylic acids, e.g. oxalic acid
ANSWER: C
What is ring present in molecule of vitamin D3?
A. Tetrapyrole.
B. Sterane.
C. Indol.
D. Phenol.
E. Purine.
ANSWER: B
What acid is in Bile?
A. Cholic.
B. Palmitic.
C. Linoleic.
D. Myristic.
E. Stearic.
ANSWER: A
Acetylcholine is balding bloc of compound which transfers neurons impulse. What
aminoalcohol is in its molecule?
A. Choline.
B. Glycerol.
C. Ethanolamine.
D. Sphingosine.
E. Cholesterol.
ANSWER: A
The fat-soluble vitamins include
A. A
B. D
C. E
D. F
E. All of the above
ANSWER: E
The bile salts with a nonpolar steroid nucleus and a polar end help the body to:
A. Increase the absorption of calcium from the intestinal tract
B. Break apart and emulsify fat globules
C. Act as hormones
D. Break down proteins
E. Clogged arteries
ANSWER: B
Glycolipids, which are abundant in the brain and the myelin sheaths of nerves, contain
A. Sphingosine + a fatty acids + phosphate + choline
B. Glycerol + three fatty acids
C. Glycerol + two fatty acids + phosphate + choline
D. Glycerol + two fatty acids + a monosaccharide.
E. Steroid nucleous + monosaccharide
ANSWER: A
Steroids have:
A. Three 5 member rings and a 6 member ring fused
B. Four 5 member rings and a 6 member ring fused
C. One 5 member ring and a 6 member ring fused
D. One 5 member ring and two 6 member rings fused
E. One 5 member ring and three 6 member rings fused
ANSWER: E
Which of these is considered to be a type of lipid?
A. Fatty Acid
B. Steroid
C. Triacylglycerol
D. Glycolipids
E. *All of the Above
ANSWER: E
Cholesterol which is the major type of sterol found in animals plays a role in:
A. DNA formation
B. Fat digestion
C. Synthesis of testosterone and estrogen
D. Arterioschlerosis
E. Break down proteins
ANSWER: C
How large can the carbon backbone of fatty acids be constructed?
A. They can have a backbone of up to 36 carbon atoms
B. They can have a backbone of up to 360 carbon atoms
C. They can have a backbone of alternating sulfur and carbon atoms
D. They can have a backbone of alternating nitrogen and carbon atoms
E. They can have a backbone of alternating silicon and carbon atoms
ANSWER: A
Bile acids are polar derivatives of
A. Glycerophospholipids
B. Cholestrol
C. Sulfolipids
D. Archaebacterial tetraether lipids
E. Fatty acids
ANSWER: B
All of the following are types of steroids EXCEPT..
A. Cholesterol
B. Estrogen
C. Insulin
D. Testosterone
E. Progesterone
ANSWER: C
Which of the following organic compounds is the main source of energy for living things?
A. Carboxylic acid
B. Lipids
C. Nucleic acids
D. Proteins
E. Alcohols
ANSWER: B
When a fatty acid is completely filled with hydrogen and has no double bonds, it’s known as:
A. Dehydrogenated
B. Unsaturated
C. Polyunsaturated
D. Saturated
E. Concentrated
ANSWER: D
Heart healthier fats are generally liquid at room and body temperature because?
A. They contain no double bonds
B. They have no hydrogen in them
C. They are made from straight fatty acids
D. *They are made from bent fatty acids
E. They are made from saturated fatty acids
ANSWER: D
Which of the following characteristics do all lipid molecules have in common?
A. They are composed of three six-sided rings and one five-sided ring.
B. They consist of three fatty acids linked to a glycerol molecule.
C. They are all hydrophobic.
D. They are made entirely of carbon, hydrogen, nitrogen, and oxygen.
E. They are all hydrophilic
ANSWER: C
A steroid may be best described as a
A. Highly branched polysaccharide molecule.
B. Lipid that consists of four carbon rings
C. Diglyceride attached to a phosphate group and choline.
D. Polypeptide covalently bonded to a carbohydrate.
E. Lipid that consists of glycerol and fatty acids
ANSWER: B
Although we hear much about the evils of cholesterol, it is actually very important to the human
body. Among other things it serves as
A. A component of cell membranes
B. The precursor for the formation of blood
C. A surfactant which aids in digestion of water molecules.
D. A blood vessel lubricant which aids in blood flow.
E. Help the body to break down proteins
ANSWER: A
What kind of molecule forms a bilayer that is the basis for all cellular membranes?
A.
Cholesterol
B.
Protein
C.
Carbohydrate
D.
Fat
E.
Phospholipid
ANSWER: E
What is a major difference between saturated and unsaturated fats?
A. Unsaturated fats have a flat molecular structure, but saturated fats are kinked.
B. Saturated fat molecules are packed together loosely, but unsaturated fats are tightly packed.
C. Unsaturated fats contain carbon-to-carbon double bonds, but saturated fats don't.
D. Saturated fats have three long hydrocarbon chains, but unsaturated fats have only two.
E. At room temperature, saturated fats are liquid and unsaturated fats are solid.
ANSWER: C
Which of the following best describes the structure of the plasma membrane?
A. A double layer of proteins
B. A single layer of lipids with proteins embedded in it
C. A double layer of carbohydrates with proteins embedded in it
D. A double layer of lipids with proteins embedded in it
E. A single layer of proteins
ANSWER: D
Each of the following is a lipid EXCEPT
A. Steroids.
B. Cholesterol.
C. Fat.
D. Phospholipids.
E. Cellulose.
ANSWER: E
The interior of a phospholipid bilayer is
A. Hydrogenated.
B. Hydrophilic.
C. Hydrophobic.
D. Proteinaceous.
E. More branched
ANSWER: C
Sunlight is required for the synthesis of
A. Minerals.
B. Cholesterol.
C. Amino acids.
D. Vitamin K.
E. Vitamin D.
ANSWER: E
Fatty acids are:
A. Mineral acids
B. Amino acids
C. Carboxylic acids
D. Aromatic acids
E. Cyclic acids
ANSWER: C
Fatty acids are:
A. Dicarboxylic acids, long chain
B. Branched chain, odd number of carbons
C. Straight chain, odd number of carbons
D. Branched chain, even number of carbon atoms
E. Monocarboxylic acids, odd number of carbons
ANSWER: E
Fatty acids are:
A. Branched chain, short, can be unsaturated
B. Dicarboxylic acids, always unsaturated
C. Even number of carbons, long chain, dicarboxylic acids
D. Monocarboxylic acids, straight chain
E. Dicarboxylic acids, can be unsaturated
ANSWER: D
Unsaturated fatty acids are:
A. Always trans
B. Contain both cis and trans in the same fatty acid
C. Odd number of carbons are cis, even are trans
D. Can have multiple unsaturations
E. Cis are dicarboxylic acids, trans are monocarboxylic acids
ANSWER: D
Solid fatty acids are:
A. Longer carbon chains and saturated
B. Longer carbon chains and fewer unsaturated
C. Shorter carbon chains and fewer unsaturated
D. Shorter carbon chains and more saturated
E. Shorter carbon chains and always dicarboxylic
ANSWER: A
Fluid fatty acids are:
A. Longer carbon chains and saturated
B. Longer carbon chains and fewer unsaturated
C. Shorter carbon chains and fewer unsaturated
D. Shorter carbon chains and fewer saturated
E. Shorter carbon chains and always dicarboxylic
ANSWER: B
Essential fatty acids:
A. Must be obtained in the diet
B. Have short carbon chain
C. Have an odd number of carbons
D. Must be synthesized in living organisms
E. Are saturated
ANSWER: A
Soaps are typically:
A. Carboxylic acids
B. Unsaturated fatty acids
C. Sodium salts of fatty acids
D. Calcium and/or magnesium salts of fatty acids
E. Glycerol and 3 fatty acids
ANSWER: C
Soap in hard water produces a precipitate that is:
A. Carboxylic acids
B. Unsaturated fatty acids
C. Sodium salts of fatty acids
D. Calcium and/or magnesium salts of fatty acids
E. Glycerol and 3 fatty acids
ANSWER: D
Prostaglandins are derived from:
A. Palmitoleic acid
B. Arachidonic acid
C. Linoleic acid
D. Oleic acid
E. Linolenic acid
ANSWER: B
Neutral triglycerides are composed of:
A. Carboxylic acids
B. Unsaturated fatty acids
C. Sodium salts of fatty acids
D. Calcium and/or magnesium salts of fatty acids
E. Glycerol and 3 fatty acids
ANSWER: E
Phosphoglycerides are composed of:
A. Glycerol, 3 fatty acids and phosphate
B. 2 Fatty acids, a glycerol, an amine and phosphate
C. 2 Amines, glycerol and 2 fatty acids
D. Glycerol phosphate and 3 fatty acids
E. Sphingosine, phosphate, a fatty acid and choline
ANSWER: B
Sphingomyelin is:
A. Glycerol, 3 fatty acids and phosphate
B. 2 Fatty acids, a glycerol, an amine and phosphate
C. 2 Amines, glycerol and 2 fatty acids
D. Glycerol phosphate and 3 fatty acids
E. Sphingosine, phosphate, a fatty acid and choline
ANSWER: E
Fatty acids are important components of many lipids. For which of the following lipid classes or
lipid derivatives are fatty acids not a significant component?
A. Phospholipids
B. Triglycerides
C. Waxes
D. Steroids
E. Sphingolipids
ANSWER: D
Spermaceti, C32H64O2, is a substance found in the head of the sperm whale. What class of lipids
does spermaceti belong?
A. Triglycerides
B. Waxes
C. Terpenes
D. Trans-fatty acids
E. Steroids
ANSWER: B
The major biological functions of triglycerides include all but one of the following:
A. Energy store
B. Shock absorber
C. Reduce surface area
D. Membrane component
E. Insulation
ANSWER: A
The major function of phosphoglycerides is:
A. Energy store
B. Shock absorber
C. Reduce surface area
D. Membrane component
E. Insulation
ANSWER: D
Phospholipids are molecules that contain:
A. Positively charged functional groups.
B. Long water-soluble carbon chains.
C. Cholesterol.
D. Hydrophilic heads and hydrophobic tails.
E. Hydrophilic tails.
ANSWER: D
The glycerophospholipids are composed of two fatty acids attached to glycerol and one of The
following head groups:
A. Ethanolamine.
B. Choline.
C. Serine.
D. Threonine.
E. All but the fourth choice are correct.
ANSWER: E
Arachidonic acid has 20 carbon atoms with
A. 3 double bonds
B. 2 double bonds
C. 4 double bonds
D. 8 double bonds
E. 6 double bonds
ANSWER: C
Removing two atoms of hydrogen from a lipid and forming a double bond usually results in:
A. A molecule which is more readily hydrolyzed
B. A molecule which is more soluble in water than the original lipid molecule
C. A molecule which is more soluble in base than the original
D. A molecule which has a lower melting point than the original
E. A molecule which is more highly colored
ANSWER: D
Which of the following would NOT be classed as a lipid?
A. Glucose
B. Stearic acid
C. Lecithin
D. Beeswax
E. Cholesterol
ANSWER: A
Double bonds in most naturally-occurring fatty acids:
A. Are in the trans- configuration
B. Are in the α- conformation
C. Are found to be in the cis- configuration
D. Make the compound highly reactive to hydrogen oxide
E. Protect the compound from attack by base
ANSWER: C
Hydrogenation of an unsaturated fatty acid usually results in a compound having:
A. Increased melting point
B. Decreased melting point
C. Increased solubility in base
D. Decreased solubility in acid
E. No change in either melting point or solubility
ANSWER: B
Some fatty acids may form structures in aqueous solution called:
A. Lipid bilayers
B. Vesicles
C. Membranes
D. Adipocytes
E. Micelles
ANSWER: E
A triacylglycerol is considered a fat if it is a solid at room temperature and an oil if liquid at
room temperature. Which of the following would be most likely to be an oil?
A. Glyceryl tristearate
B. Glyceryl trioleate
C. Glyceryl tripalmitate
D. Glyceryl trimyristate
E. Glyceryl tributanoate
ANSWER: B
Nucleic acid monomers are known as_______ and each one contains ________, _________ and
a/an ______.
A. Dipeptides;glucose, phosphate group, amino group
B. Dipeptides;base, ribose sugar, phosphate group
C. Nucleotides;base, ribose sugar, phosphate group
D. Nucleotides;base, steroid, amino group
E. Nucleotides;base, fructose sugar, phosphate group
ANSWER: C
The "backbone" of nucleic acid molecules is made of:
A. Nitrogenous bases
B. Alternating sugars and phosphate groups
C. Purines
D. Pyrimidines
E. Nucleotides
ANSWER: E
According to the base-pairing rules for nucleic acids, purines always pair with:
A. Deoxyribose sugars
B. Uracil
C. Pyrimidines
D. Adenine
E. Guanine
ANSWER: C
DNA and RNA contain:
A. Pentoses
B. Hexoses
C. Fructoses
D. Maltoses
E. Amyloses
ANSWER: A
DNA is the genetic material in cells. The building blocks of DNA are:
A. Amino acids
B. Monosaccharides
C. Disaccharides
D. Nucleotides
E. Nucleosides
ANSWER: D
Which of the following is a purine base?
A. Adenine
B. Cytosine
C. Uracil
D. Thymine
E. Rybose
ANSWER: A
Base pairing takes place between complementary bases in DNA. Only one of the pairs below is
correct for a pair of complementary bases in DNA – which is it?
A. Uracil and thymine
B. Guanine and cytosine
C. Adenine and cytosine
D. Guanine and adenine
E. Uracil and guanine
ANSWER: B
Which one of the following nucleotides is present in RNA but is not present in DNA?
A. Thymine
B. Uracil
C. Guanine
D. Adenine
E. Cytosine
ANSWER: B
RNA contains:
A. Double strands of ribonucleotides which form helical assemblies
B. Single strands of deoxyribonucleotides
C. Single strands of ribonucleotides
D. Double strands of deoxyribonucleotides which form helical assemblies
E. Double strands of ribonucleosides which form helical assemblies
ANSWER: C
Which nucleobase in RNA forms a complementary base pair with uracil?
A. Adenine
B. Cytosine
C. Guanine
D. Thymine
E. Pyrine
ANSWER: A
A compound found in living things that supplies the energy in cells is...
A. Phosphate
B. RNA
C. ATP
D. Alcohol
E. Nitrogen base
ANSWER: C
Nucleic acids include
A. Chlorophyll and retinal
B. DNA and RNA
C. Lipids and sugars
D. Glucose and glycogen
E. Aminoacids and proteins
ANSWER: B
Which of the following molecules determines the characteristics of an organism?
A. Lipids
B. Steroids
C. ATP
D. DNA
E. Carbohydrates
ANSWER: D
All the following are nitrogen bases found in DNA except...
A. Adenine
B. Uracil
C. Thymine
D. Guanine
E. Cytosine
ANSWER: B
A cell that has high energy requirements will have a particularly large amount of which
molecule, relative to other molecules?
A. Phospholipids
B. DNA
C. ATP
D. Alcohol
E. RNA
ANSWER: C
A molecule shaped like a double helix (spiral staircase) is?
A. RNA
B. DNA
C. ATP
D. Cholesterol
E. Starch
ANSWER: B
How many different kinds of nitrogen bases are found in a molecule of DNA?
A. 4
B. 10
C. 20
D. 3.5 Billion
E. 8
ANSWER: A
How does ATP provide energy to a cell?
A. It loses a phosphate group, releasing energy in the process
B. It shuttles electrons across the mitochondrial membrane to create potential energy
C. It releases protons, which are used in the mitochondrion to create energy
D. It releases electrons, which are a source of energy
E. It adds a phosphate group, releasing energy in the process
ANSWER: A
Which of the following is a complimentary pair of hydrogen-bonded bases found in DNA?
A. A - C
B. A - T
C. A - U
D. A – G
E. U - G
ANSWER: BWhich of the following is not a common component of both DNA and RNA?
A. Ribose
B. Phosphate
C. Cytosine
D. Adenine
E. Guanine
ANSWER: A
Which of the following is not a component of RNA?
A. Adenine
B. Phosphate
C. Cytosine
D. Thymine
E. Guanine
ANSWER: D
Which of the following is purine base?
A. Guanine
B. Indole
C. Cytosine
D. Thymine
E. Uracil
ANSWER: A
Which of the following is a pyrimidine base?
A. Imidazole
B. Guanine
C. Cytosine
D. Adenine
E. Pyrine
ANSWER: C
What is the complementary RNA sequence for the DNA segment AATCAGTT?
A. AAUCAGUU
B. CCAUCGAA
C. AACUGAUU
D. UUAGUCAA
E. TTACTGAA
ANSWER: D
How many nucleotides are needed to code for a specific amino acid?
A. One
B. Two
C. Three
D. Four
E. Five
ANSWER: C
What are the repeating units of nucleic acids?
A. Bases
B. Nucleotides
C. Sugar molecules
D. Phosphate molecules
E. Nucleosides
ANSWER: B
If you performed a laboratory analysis of DNA, you would find that the amount of adenine is
____________ the amount of thymine.
A. Shows no relationship to
B. Much greater than
C. About the same as
D. Much less than
E. None
ANSWER: C
The synthesis of new DNA from existing DNA occurs in the ____________.
A. Ribosome
B. Nucleus
C. Mitochondria
D. Cytoplasm
E. Cell membrane
ANSWER: A
Which of the following is NOT a valid comparison between DNA and RNA?
A. Adenine - thymine
B. Deoxyribose - ribose
C. Double stranded - single stranded
D. Found in nucleus - found in cytoplasm
E. Adenine -uracil
ANSWER: A
What does the t in tRNA represent?
A. Translation
B. Transpolymerase
C. Transcription
D. Transfer
E. Transformation
ANSWER: D
Which of the following identify and move amino acids to the site of protein production?
A. mRNA
B. tRNA
C. iRNA
D. rRNA
E. DNA
ANSWER: B
According to Chargaff's rule, the following proportion exists in DNA.
A. C=G
B. C»T
C. C»G
D. C=T
E. C=U
ANSWER: A
In DNA guanine always pairs with
A. Adenine
B. Cytosine
C. Guanine
D. Thymine
E. Uracil
ANSWER: B
In DNA, thymine always pairs with
A. Adenine
B. Cytosine
C. Guanine
D. Thymine
E. Uracil
ANSWER: A
Each unit of a nucleic acid consisting of a sugar, attached phosphate group, and base is a
A. Nucleolus
B. Nucleotide
C. Nucleosome
D. Histone
E. Genetisome
ANSWER: B
In a nucleic acid, the bases are always attached to the _______________ carbon of the sugar.
A. 5'
B. 4'
C. 3'
D. 2'
E. 1'
ANSWER: E
In nucleic acids, the phosphate group is attached to the _______________ carbon of the sugar.
A. 6'
B. 4'
C. 3'
D. 2'
E. 1'
ANSWER: C
DNA is made up of a phosphate group, an organic base, and:
A. A protein
B. A sugar
C. A molecule of ATP
D. A fat
E. None of the above
ANSWER: B
In the DNA molecule:
A. Adenine pairs with thymine
B. Guanine pairs with thymine
C. Cytosine pairs with thymine
D. Adenine pairs with cytosine
E. All of the above are possible.
ANSWER: A
If one side of a DNA molecule contains the following sequence of nucleotides, AGTCCG, the
complementary sequence on the other side would be:
A. GCCTGA
B. AGTCCG
C. TCAGGC
D. CTGAAT
E. None of them
ANSWER: C
The bases of RNA are the same as those of DNA with the exception that RNA contains:
A. Cysteine instead of cytosine.
B. Uracil instead of thymine.
C. Cytosine instead of guanine.
D. Uracil instead of adenine.
E. Adenine instead of guanine
ANSWER: B
Thymidine:
A. Is equal to the adenosine concentration in double-stranded DNA
B. Is replaced by Uracil in RNA
C. Normally forms 2 hydrogen bonds with adenosine
D. Can participate in hydrophobic interactions due to its methyl group
E. All are correct
ANSWER: E
Synthesis of messenger RNA is called:
A. Transcription
B. Translation
C. Replication
D. Transition
E. Transpiration
ANSWER: A
Major structural differences between RNA and DNA include:
A. RNA is always double stranded and never contains deoxyribose
B. RNA is always double stranded and never contains thymine
C. DNA is usually double stranded and contains ribose and thymine
D. DNA is sometimes double stranded and contains deoxyribose and uracil
E. DNA is usually double
ANSWER: E
In DNA, a cytosine base on one strand pairs with another base on the complementary strand.
Which one?
A. Cytosine
B. Guanine
C. Uracil
D. Thymine
E. 5-methyluracil
ANSWER: B
Chargaff's rules state that:
A. In RNA, the amount of ribose is equal to the amount of phosphate
B. In DNA, the amount of adenine is equal to the amount of guanine
C. In RNA, the percentage of deoxyribose is equal to the amount of uracil
D. In DNA, the percentage of adenine is equal to the percentage of thymine, and the percentage
of cytosine is equal to the percentage of guanine
E. There is no relationship between the amounts of purine and pyrimidine bases
ANSWER: D
All of the following are characteristics of alkaloids except:
A. Basic
B. Toxic to humans in high doses
C. Pleasant smelling
D. Bitter tasting
E. Physiologically active
ANSWER: C
Hydrolysis of a nucleoside results in release of:
A. Purine and pyrimidine bases
B. Glucose, ribose, and deoxyribose
C. Phosphoric acid and glucose
D. Heterocyclic nitrogen bases and phosphate
E. A purine or pyrimidine base and a pentose
ANSWER: E
In pyrrole and pyridine, the number of electrons that the N atom contributes to the π-system is:
A. Pyrrole, 1; pyridine 2
B. Pyrrole, 1; pyridine 1
C. Pyrrole, 2; pyridine 1
D. Pyrrole, 2; pyridine 2
E. Pyrrole, 0; pyridine 2
ANSWER: C
Histamine is a derivative of:
A. Imidazole
B. Pyridine
C. Pyrrole
D. Purine
E. Pyrimidine
ANSWER: A
Which of the following is a purine base?
A. Adenine
B. Cytosine
C. Uracil
D. Thymine
E. Pyrrole
ANSWER: A
Base pairing takes place between complementary bases in DNA. Only one of the pairs below is
correct for a pair of complementary bases in DNA – which is it?
A. Uracil and thymine
B. Adenine and cytosine
C. Guanine and cytosine
D. Guanine and adenine
E. Adenine and thymine
ANSWER: C
Which statement about the structure of DNA is incorrect?
A. During cell replication, the double helix of DNA unwinds and templates the formation of
new strands
B. The double strands form a helical assembly, with a left-handed twist.
C. Strands composed of nucleobases are associated by hydrogen-bonded base pairs
D. Phosphate groups are present on the outside of the double helix
E. There are 10 base pairs per complete turn of the double helix
ANSWER: D
Which one of the following nucleotides is present in RNA but is not present in DNA?
A. Thymine
B. Adenine
C. Uracil
D. Guanine
E. Cytosine
ANSWER: C
RNA contains:
A. Double strands of deoxyribonucleotides which form helical assemblies
B. Double strands of ribonucleotides which form helical assemblies
C. Single strands of deoxyribonucleotides
D. Single strands of ribonucleotides
E. Double strands of amino acids which form helical assemblies
ANSWER: D
Which nucleobase in RNA forms a complementary base pair with uracil?
A. Guanine
B. Thymine
C. Adenine
D. Cytosine
E. Uracil
ANSWER: C
When the amino acid alanine (R-group is CH3) is added to a solution with a pH of 7.3, alanine becomes:
A. A cation.
B. Nonpolar.
C. A zwitterions.
D. An isotope.
E. Neutral molecule.
ANSWER: C
What is the end product of leucine metabolism?
A. Acetyl-CoA.
B. Pyruvic acid.
C. Oxaloacetic acid.
D. Acetyl carnitine.
E. Maleic acid.
ANSWER: A
What are heterocyclic amino acids?
A. Phenylalanine.
B. Tryptophan.
C. Tyrosine.
D. Valine.
E. Alanine.
ANSWER: B
Which of the following amino acids can form hydrogen bonds with their side (R) groups?
A. Asparagine.
B. Aspartic acid.
C. Glutamine.
D. Tyrosine.
E. All of these.
ANSWER: E
The isoelectric point of an amino acid is defined as the pH.
A. Where the molecule carries no electric charge.
B. Where the carboxyl group is uncharged.
C. Where the amino group is uncharged.
D. Where the molecule is a zwitterion.
E. Of maximum electrolytic mobility.
ANSWER: A
Molecules that both charged groups of opposite polarity are known as
A. Ambions.
B. Ion conversion.
C. Cation.
D. Zwitterions.
E. Amphions.
ANSWER: D
An essential amino acid is one that:
A. Is essentially easy to synthesize.
B. Is essential to flagella motion.
C. The body cannot synthesize.
D. The body can synthesize under essential conditions.
E. The body can synthesize from carbohydrates.
ANSWER: C
D-Alanine and L-Alanine are technically known as
A. Anomers.
B. Enantiomers.
C. Epimers.
D. Polymer.
E. Diastereoisomer.
ANSWER: B
Which of the following pairs of amino acids would carry a negative charge on their side chain at pH 8.0?
A. Asparagine and Glutamine.
B. Leucine and Glycine.
C. Histidine and Lysine.
D. Alanine and Lysine.
E. Aspartate and Glutamate.
ANSWER: E
Which of the following is a nonstandard amino acid?
A. Cysteine.
B. Isoleucine.
C. Phenylalanine.
D. Hydroxyproline.
E. Histidine.
ANSWER: D
Which of the following is an essential amino acid?
A. Tryptophan.
B. Methionine.
C. Phenylalanine.
D. Lysine.
E. All of these.
ANSWER: E
Which of the following amino acid is known as half-cystine residue?
A. Cysteine.
B. Isoleucine.
C. Valine.
D. Histidine.
E. Tyrosine.
ANSWER: A
Which of the following is not an essential amino acid?
A. Aspartic acid.
B. Glutamic acid.
C. Glycine.
D. Proline.
E. All of these.
ANSWER: E
Which of the following is not a sensible grouping of amino acids based on their polarity properties?
A. Ala, Leu, and Val
B. Arg, His, and Lys
C. Ala, His, and Phe
D. Phe, Trp, and Tyr
E. Asp, Ile, and Pro
ANSWER: E
What is the product of the catabolic breakdown of Alanine?
A. Fumarate
B. Oxaloacetate
C. Pyruvate
D. Malate
E. Alpha-ketoglutarate.
ANSWER: C
Amino acids required in the human diet and not synthesized by the body are called:
A. Specialized.
B. Trace.
C. Acidic.
D. Essential
E. Accessory.
ANSWER: D
Which of the following amino acid contain an imidazolium moiety?
A. Alanine.
B. Valine.
C. Cysteine.
D. Histidine.
E. Tyrosine
ANSWER: D
Which of the following is a nonprotein amino acid?
A. Dopamine.
B. Hydroxylysine.
C. Cystine.
D. Phenylalanine.
E. None of these.
ANSWER: A
Stereo chemical configuration of all a-amino acids derived from proteins is
A. L.
B. D.
C. G.
D. L and D.
E. None of these.
ANSWER: A
Which amino acid when exposed to ninhydrin produces a violet color?
A. All of these.
B. Proline.
C. Alanine.
D. Glycine.
E. Valine.
ANSWER: A
Beta pleated sheets are examples of protein's
A. Primary structure
B. Secondary structure.
C. Tertiary structure.
D. Quaternary structure.
E. Simple structure.
ANSWER: B
Individuals with Phenylketonuria disease are mentally retarded unless
A. Phenylalanine in the diet is restricted.
B. Tyrosine in the diet is restricted.
C. Homogentisic acid in the diet is restricted.
D. Alanine in the diet is restricted.
E. None of the above.
ANSWER: A
The four subunits of the hemoglobin (Hb) gem represent protein's:
A. Simple structure.
B. Primary structure.
C. Secondary structure.
D. Tertiary structure.
E. Quaternary structure.
ANSWER: E
Amino acids that must be consumed in the diet are called:
A. Dispensable amino acids.
B. Non-essential amino acids.
C. Essential amino acids.
D. Free amino acid.
E. Dietary amino acids.
ANSWER: C
The amino acid pool…:
A. Are the amino acids stored in the liver.
B. Are the amino acids of blood protein.
C. Is all the amino acids available within the tissue and body fluids.
D. Is the concentration of amino acids in a food.
E. Are the amino acids recycled from the break down of proteins.
ANSWER: C
Select the best definition of an enzyme.
A. An enzyme is an amino acid that speeds up chemical reactions.
B. An enzyme is a protein that is consumed in the diet and aids in chemical reactions.
C. Enzymes are proteins that speed up metabolic reaction and are destroyed in the process.
D. An enzyme is an amino acid that is consumed in the diet and aids in chemical reactions.
E. An enzymes are proteins that speed up metabolic reaction but are not destroyed in the process.
ANSWER: E
The bond that links two amino acids together is called a:
A. Peptide bond.
B. Covalent bond.
C. Ionic bond.
D. Hydrogen bond.
E. Denaturation bond.
ANSWER: A
Transamination is the
A. Reaction between two amino acids.
B. Reaction between an amino acid and fatty acid
C. Reaction between an amino acid and a ketoacid.
D. Reaction between an amino acid and an alcohol.
E. Reaction between an amino acid and a hydroxyacid.
ANSWER: C
The compound in this illustration is:
A. Pentapeptide.
B. Dipeptide.
C. Tripeptide.
D. Tetrapeptide.
E. Polypeptide.
ANSWER: D
Which of these food groups is not considered a good source of protein?
A. Meat.
B. Beans.
C. Liver.
D. Milk.
E. Fruit.
ANSWER: E
Which if any amino acids are achiral?
A. Alanine.
B. Valine.
C. Serine.
D. Cysteine.
E. Glycine.
ANSWER: E
α-helix structure is examples of protein's:
A. Primary structure.
B. Secondary structure.
C. Simple structure.
D. Tertiary structure.
E. Quaternary structure.
ANSWER: B
Denaturation of protein takes place by
A. Heating.
B. Addition of strong acid or base.
C. Addition of urea.
D. X-ray
E. All of these.
ANSWER: E
Essential amino acid is all except:
A. Threonine.
B. Alanine.
C. Valine.
D. Lysine.
E. Methionin.
ANSWER: B
In a pentapeptide chain, how many peptide linkages are present?
A. Five.
B. Four.
C. Six.
D. Three.
E. Two.
ANSWER: B
Amino acids are derivatives of:
A. Tertiary amine.
B. Hydroxy acid.
C. Carboxylic acid.
D. Lipids.
E. Polyhydric alcohol.
ANSWER: C
Lysine is which type of amino acid
A. Basic.
B. Acidic.
C. Aromatic.
D. Heterocyclic.
E. Neutral.
ANSWER: A
Which is peptide hormone?
A. Cytokinin.
B. Insulin.
C. Glucagon.
D. Progesterone.
E. Cortisol.
ANSWER: B
Tertiary structure of protein contains which type of forces
A. Electrostatic forces only.
B. Electrostatic as well as hydrogen bonds.
C. Electrostatic, hydrogen bonds.
D. Vander wall forces.
E. All of these.
ANSWER: E
Primary structure of protein contains which type of bonds?
A. Only hydrogen.
B. Only covalent.
C. Only vander wall.
D. Only ionic.
E. All of these.
ANSWER: B
Which of the following is optically inactive amino acid?
A. Alanine.
B. Lysine.
C. Glycine.
D. Valine.
E. Arginine.
ANSWER: C
All amino acids used in protein synthesis contain four substituents, which are attached to the alpha carbon atom,
an amino group, a carboxylic acid group, a hydrogen atom and a side chain group. Which of the following
statements is true?
A. Both the amino group and the carboxyl group carry a charge at physiological pH.
B. At physiological pH the amino group is negatively charged.
C. Both the amino group and the carboxyl group are uncharged at physiological pH.
D. At physiological pH the carboxyl group is positively charged.
E. The pKa for the a-carboxyl group is about 9-10 and the pKa for the a-amino group is about 2.
ANSWER: A
For 19 out of 20 amino acids, the alpha carbon has four different substituents, thus the a-carbon is asymmetric,
and amino acids may exist in either the L or D configuration. All of the following statements are true regarding
the L and D configuration of amino acids, EXCEPT.
A. L and D forms occur equally in living organisms.
B. L and D forms cannot be superimposed by rotating the molecule.
C. L forms are the predominant form found naturally in humans.
D. L amino acids occur rarely in humans.
E. D amino acids occur rarely in protein of mushrooms.
ANSWER: A
Which of the following statements about amino acids is INCORRECT?
A. Except for glycine, they have an asymmetric a-carbon atom.
B. They are zwitterionic.
C. They have no more than two pKa’s.
D. L amino acids occur rarely in humans.
E. Occur in animals almost exclusively in the optically active L-form.
ANSWER: C
The peptide bond:
A. Results from condensation of any R-group or side chain of different amino acids with each other.
B. Results from the condensation reaction between the alpha-carboxyl group of one amino acid with the
alpha-amino group of a second amino acid.
C. Results from the condensation reaction between the alpha-carboxyl group of one amino acid with the
alpha-carboxyl group of a second amino acid.
D. Results from the condensation reaction between the alpha-carboxyl group of one amino acid and
ammonia.
E. Results from the condensation reaction between the alpha-carboxyl group of one amino acid and
ammonium ion.
ANSWER: B
Which of the following answers correctly matches the abbreviations with the amino acids?
A. GLU – glutamate, GLN – glutamine, TRP – tryptophan, TYR – tyrosine.
B. GLU – glutamate, GLN – glutamine, TRP – tyrosine, TYR – tryptophan.
C. GLU – glutamine, GLN – glutamate, TRP – tryptophan, TYR – tyrosine.
D. GLU – glycine, GLN – glutamine, TRP – tryptophan, TYR – tyrosine.
E. GLU – glutamate, GLN – glycine, TRP – tryptophan, TYR – tyrosine.
ANSWER: A
Which of the following is the three-letter abbreviation for asparagine?
A. Asp.
B. Aspn.
C. Asgn.
D. Asn.
E. Arg.
ANSWER: D
The functions of the individual amino acids and their roles in protein structure are related mainly to the
chemical properties of their side chains. Amino acids are divided into groups based on the relative polarity of
their side chains, which indicates their tendency to react. Which of the following statements is true?
A. The most hydrophobic amino acids have side chains with either a negative or positive charge at
physiological pH.
B. The most hydrophobic amino acids have side chains that are polar but uncharged at physiological pH.
C. The most hydrophilic amino acids have no oxygen or nitrogen in their side chains.
D. The most hydrophilic amino acids have side chains that are polar but uncharged at physiological pH.
E. The most hydrophobic amino acids have side chains that are unpolar and uncharged at physiological pH.
ANSWER: E
Amino acid R-groups:
A. That are hydrophilic are usually found on the interior of proteins.
B. Of glutamine and asparagine are uncharged polar amino acids.
C. Of Leucine, isoleucine, tyrosine and phenylalanine are hydrophilic.
D. Of serine, glutamine and histidine are hydrophobic.
E. Aspartate, glutamate, and lysine are hydrophobic.
ANSWER: B
Which of the following statements is true regarding sulfhydryl compounds and disulfide bonds?
A. Covalent disulfide bonds may be formed between 2 molecules of cysteine or between 2 cysteine
residues in a protein.
B. One disulfide compound is called a cystine.
C. One hydrogen atom is lost from each cysteine when cystine is formed.
D. Reduction of cystine produces cysteine.
E. All are correct.
ANSWER: E
Which of the following is INCORRECT about disulfide bonds?
A. A covalent bond (linkage) formed from the sulfhydryl group (-SH) of each of two cysteine molecule
will produce a cystine molecule.
B. Disulfide bonds contribute to the stability of the three dimensional shape of some proteins.
C. The R-group of cysteine contains a sulfhydryl group (-SH).
D. Two cysteines become reduced to form a dimer, cystine.
E. Cystine contains a covalent linkage between two sulfur atoms.
ANSWER: D
Salt bonds (ionic bonds) can happen between the R-groups of:
A. Glycine and Aspartate.
B. Leucine and Isoleucine.
C. Lysine and Aspartate.
D. Arginine and Lysine.
E. Lysine and Lysine.
ANSWER: C
A salt bond is an electrostatic interaction which occurs between:
A. A non-polar aliphatic amino acid and a positively charged amino acid.
B. A polar uncharged amino acid and a non-polar aliphatic amino acid.
C. A negatively charged amino acid and a positively charged amino acid.
D. An aromatic amino acid and an aliphatic amino acid.
E. A polar uncharged amino acid and an aromatic amino acid.
ANSWER: C
In a protein, a salt bond (ionic bond) would form between the R-groups of each of the following amino acid
pairs EXCEPT?
A. Aspartate and Glutamate.
B. Aspartate and Histidine.
C. Glutamate and Arginine.
D. Lysine and Glutamate.
E. Lysine and Aspartate.
ANSWER: A
The charge on Histidine at a pH greater than 10 would be:
A. -1.
B. 0.
C. +1.
D. +2.
E. +3.
ANSWER: A
At physiological pH (7.4), the R- groups of both of the following amino acids pairs would carry a negative
charge?
A. Aspartic acid and Arginine.
B. Glutamic acid and Histidine.
C. Histidine and Arginine.
D. Lysine and Arginine.
E. Aspartic acid and Glutamic acid.
ANSWER: E
The pI for an amino acid is the:
A. pH at which an amino acid is electrically neutral.
B. pKa value of the functional groups attached to the alpha-carbon.
C. Net pKa value for the ionizable side chains.
D. Same for all but one of the twenty amino acids.
E. Ratio of the number of oxygen atoms to carbon atoms in the amino acid.
ANSWER: A
Which of the following statements about amino acid sequence is correct?
A. All amino sequences are read from the C- to the N- terminal end of the peptide.
B. Valylglycylleucine has the amino acid leucine in the N-terminal of the tripeptide.
C. The C-terminal is written to the right and the N-terminal to the left.
D. The C-terminal is written to the left and the N-terminal to the right.
E. Valylglycylleucine has the amino acid valine in the C-terminal of the tripeptide.
ANSWER: C
Which of the following is less soluble and precipitates in urine to form renal stones (calculi)?
A. Alanine.
B. Valine.
C. Glycine.
D. Glutamate.
E. Aspatic acid.
ANSWER: B
What is this structural (-COOH) unit called?
A. Carbonyl group.
B. Carboxyl group.
C. Carbonmonoxide.
D. Carbondinoxide.
E. Carbon.
ANSWER: B
Which is the stronger acid in each of the following compounds?
A. Ethanoic acid.
B. Propanoic acid.
C. Chloroethanoic acid.
D. Dichloroethanoic acid.
E. Trichloroethanoic acid.
ANSWER: E
Show how each of the following compounds can be converted to propanoic acid.
A. CH3CH2C(O)H.
B. CH3CH2CH2CH2OH.
C. CH3C(O)H.
D. CH3CH2OH.
E. CH3OH.
ANSWER: A
Which carboxylic acid produces the odour of rotten butter?
A. Stearic acid.
B. Palmitic acid.
C. Oleic acid.
D. Butyric acid.
E. Lactic acid.
ANSWER: D
The compound that follows belongs to which class of organic compounds:
A. Carboxylic acid.
B. Ester.
C. Amide.
D. Amine.
E. Alcohol.
ANSWER: B
Choose a reagent for synthesis of acetic acid from ethyl acetate:
A.
B.
C.
D.
E.
H2O
NН3
CO
C6H5
C2H6
ANSWER: A
The compound that follows belongs to which class of organic compounds:
A. Carboxylic acid.
B. Ester.
C. Amide.
D. Amine.
E. Alcohol.
ANSWER: A
The compound that follows belongs to which class of organic compounds:
A. Carboxylic acid.
B. Ester.
C. Amide.
D. Amine.
E. Alcohol.
ANSWER: C
Choose a reagent for synthesis of acytil cholides:
A. HCl.
B. PCl5.
C. Cl2.
D. HClO3.
E. CHCl3.
ANSWER: B
What compound does form after the formaldehyde oxidation by the ammonium solution of silver (І) oxide?
A. Benzoic acid
B. Formic acid
C. Butyric acid
D. Carbonate acid
E. Salicylic acid
ANSWER: B
What compound does form after the formaldehyde oxidation by copper (ІІ) hydroxide?
A. Benzoic acid
B. Butanoic acid
C. Acetic acid
D. Formic acid
E. Salicylic acid
ANSWER: D
What compound does form after the acetaldehyde oxidation by copper (ІІ) hydroxide?
A. Benzoic acid
B. Butanoic acid
C. Acetic acid
D. Formic acid
E. Salicylic acid
ANSWER: C
What compound does form after the butanal oxidation by copper (ІІ) hydroxide?
A. Benzoic acid
B. Butyric acid
C. Acetic acid
D. Formic acid
E. Salicylic acid
ANSWER: B
Give the product of the reaction of pentanoic acid with Sodium hydroxide;
A. Pentane.
B. Pentanal.
C. Pentanol.
D. Sodium pentanoate.
E. Sodium acetate.
ANSWER: D
Which of the following compounds have the greatest boiling point?
A. 2-butanone.
B. Propanoic acid.
C. propane.
D. 1-propanol.
E. Propene.
ANSWER: B
Which of the following compounds have the greatest water solubility?
A. Acetic acid.
B. Butanoic acid.
C. Oleic acid.
D. Palmitic acid
E. Propanoic acid
ANSWER: A
Name each of the following acid:
A. 2,4- difluoropentanoic acid
B. 3,3-difluoropentanoic acid
C. 2,2-difluoropentanoic acid
D. 2,3-difluoropentanoic acid
E. 3,4-difluoropentanoic acid
ANSWER: E
Complete the following reaction:
A.
.
B.
C.
D.
E.
ANSWER: A
Choose the name of the carboxylic acid salt formed on this
reaction:
A. Sodium acetate.
B. Sodium ethanoate.
C. Sodium propanoate.
D. Sodium oleiate.
E. Sodium butanoate.
ANSWER: C
Select the carboxylic acid reaction type occurring upon addition of NaOH
A. Salt formed.
B. Reduction.
C. Esterification.
D. Decarboxylation.
E. Acyl Halide Formation.
ANSWER: A
Select the carboxylic acid reaction type occurring upon addition of SOCl2
A. Salt formed.
B. Reduction.
C. Esterification.
D. Decarboxylation.
E. Acyl Halide Formation.
ANSWER: E
Select the carboxylic acid reaction type occurring upon addition of H2:
A. Salt formed.
B. Reduction.
C. Esterification.
D. Decarboxylation.
E. Acyl Halide Formation.
ANSWER: B
Select the carboxylic acid reaction type occurring upon addition of POCl5
A. Salt formed.
B. Reduction.
C. Esterification.
D. Acyl Halide Formation.
E. Decarboxylation.
ANSWER: D
Select the carboxylic acid reaction type occurring upon addition of
A. Salt formed.
B. Reduction.
C. Esterification.
D. Decarboxylation.
E. Acyl Halide Formation.
ANSWER: C
In the following compounds, which one is the most acidity?
A. Ethanoic acid.
B. Propanoic acid.
C. Chloroethanoic acid.
D. Trichloroethanoic acid.
E. 2- methylbutanoic acid.
ANSWER: D
In the direct reaction of a carboxylic acid with an amine, first, ...
A. A carbenium ion is form.
B. A metal complex is form.
C. A black gas is generate.
D. An ester is form.
E. An ammonium salt is form.
ANSWER: E
In the direct reaction of a carboxylic acid with an alcohols, first, ...
A. A carbenium ion is form.
B. A metal complex is form.
C. A black gas is generate.
D. An ester is form.
E. An ammonium salt is formed.
ANSWER: D
Which of the following is not classified as a derivative of a carboxylic acid?
A. Anhydride.
B. Aldehyde.
C. Amide.
D. Nitrile.
E. Ester.
ANSWER: B
Which derivative of a carboxylic acid does not have a carbonyl group in its molecular structure
A. Ester.
B. Amide.
C. Anhydride
D. Acid halide
E. Nitrile
ANSWER: E
For a given carbon content, which of the following have the highest boiling points?
A. Methyl esters.
B. Primary amides.
C. Acid chlorides.
D. Carboxylic acids.
E. Nitriles.
ANSWER: B
What carboxylic acid derivatives are most reactive toward nucleophilic acyl substitution?
A. Amides.
B. The anions of the carboxylic acids.
C. Esters.
D. Acid chlorides.
E. Anhydrides.
ANSWER: D
Which of the following pairs of reagents reacts to form aspirin?
A. Salicylic acid and acetic anhydride.
B. Phenylacetic acid and benzoic anhydride.
C. Ethyl benzoate and methyl salicylate.
D. Benzoic acid and ethyl acetate.
E. Benzylic acid and sodium ethoxide.
ANSWER: A
What reaction produces soap as a product?
A. Triester of glycerol with long-chain acids, and NaOH.
B. Hydrolysis of an N,N-dialkylamide.
C. Acid anhydride of a dicarboxylic acid and a heterocyclic amine.
D. Hydrolysis of large-ring lactones in ethylene glycol.
E. Acid chloride of an unsaturated acid and an alcohol.
ANSWER: A
Which reagents are used in the most general preparation of acid anhydrides?
A. A carboxylic acid and an ester.
B. An amide and the salt of a carboxylic acid.
C. An acid chloride and the salt of a carboxylic acid.
D. An acid chloride and an ester.
E. The salt of a carboxylic acid and an ester.
ANSWER: C
What is the product of the dehydration of an amide with P2O5?
A. An imide.
B. A nitrile.
C. An ether.
D. An alkene.
E. A lactam.
ANSWER: A
A thioester contains which one of the following elements?
A. Phosphorus.
B. Sulfur.
C. Thallium.
D. Boron.
E. Silicon.
ANSWER: A
Which of the following compounds contains the best leaving group?
A. An acid anhydride.
B. A carboxylic acid.
C. An ester.
D. An amide.
E. An acyl chloride.
ANSWER: E
Which of the following reactions results in the formation of a carboxylic acid?
A. Acyl halide and H2O.
B. Nitrile and H2O.
C. Ester and H2O with mineral acid.
D. An amide and H2O.
E. All of the these.
ANSWER: E
Which of the following pairs of compounds could be used to prepare propyl butanoate?
A. Propanoyl chloride and 1-butanol.
B. Propanamide and 1-propanol.
C. Butanoyl chloride and phenol.
D. Butanoyl chloride and 1-propanol.
E. Butanoyl chloride and 1-pentanol.
ANSWER: D
Which of the following is required to convert propionic anhydride into N-methylpropionamide?
A. One equivalent of methanol.
B. Two equivalents of ammonia.
C. One-half an equivalent of methylamine.
D. Two equivalents of methylamine.
E. Two equivalents of methanol.
ANSWER: D
Which of the following reagents can be used to produce ethyl benzoate by a transesterification reaction?
A. Benzoyl chloride and ethanol.
B. Methyl benzoate and methanol.
C. Methyl benzoate and ethanol.
D. Phenyl ethanoate and ethanol.
E. Propyl benzoate and methanol.
ANSWER: C
Which of the following is not a true statement?
A. An acid anyhdride reacts with an alcohol to form a carboxylic acid.
B. An ester reacts with an amine to form an amide.
C. An acyl halide reacts with water to form a carboxylic acid.
D. An acyl halide reacts with an amine to form an amide.
E. An amide reacts with an alcohol to form an ester.
ANSWER: A
Common names of
A. Formic acid.
B. Acetic acid.
C. Malonic acid.
D. Propionic acid.
E. Butyric acid.
ANSWER: A
Common names of
A. Formic acid.
B. Acetic acid.
C. Malonic acid.
D. Propionic acid.
E. Butyric acid.
ANSWER: B
Common names of
A. Formic acid.
B. Acetic acid.
C. Malonic acid.
D. Propionic acid.
E. Butyric acid.
ANSWER: C
is:
is:
is:
Common names of
A. Formic acid.
B. Acetic acid.
C. Malonic acid.
D. Propionic acid.
E. Butyric acid.
ANSWER: D
Common names of
A. Formic acid.
B. Acetic acid.
C. Malonic acid.
D. Propionic acid.
E. Butyric acid.
ANSWER: E
is:
is:
Common names of
is:
A. Formic acid.
B. Acetic acid.
C. Benzoic acid
D. Malonic acid.
E. Butyric acid.
ANSWER: C
Which of the following reaction can be used to produce sodium propanoate?
A.
B.
C.
D.
E.
ANSWER: A
Which of the following reaction can be used to produce sodium butyrate?
A.
B.
C.
D.
E.
ANSWER: B
Which of the following reaction can be used to produce acetic acid?
A.
B.
C.
D.
E.
ANSWER: D
Which of the following reaction can be used to produce formic acid?
A.
B.
C.
D.
E.
ANSWER: C
Which of the following reaction can be used to produce butanoic acid?
A.
B.
C.
D.
E.
ANSWER: E
Methylethyl ethanoate is formed on this reaction:
A.
B.
C.
D.
E.
ANSWER: B
Methyl propanoate is formed on this reaction:
A.
B.
C.
D.
E.
ANSWER: A
Propyl methanoate is formed on this reaction:
A.
B.
C.
D.
E.
ANSWER: C
Butyl butanoate is formed on this reaction:
A.
B.
C.
D.
E.
ANSWER: D
Methyl acetate is formed on this reaction:
A.
B.
C.
D.
E.
ANSWER: E
Hydroxyl acids are all of the following compounds except:
A. Lactic acid.
B. Succinic acid.
C. Malic acid.
D. Citric acid.
E. Salicylic acid.
ANSWER: B
Oxoacids are all of the following compounds except:
A. Pyruvic acid
B. Acetoacetic acid
C. Oxaloacetic acid
D. Citric acid.
E. α-ketoglutaric acid
ANSWER: D
Dicarboxylic acid is:
A. Lactic acid.
B. Succinic acid.
C. Malic acid.
D. Citric acid.
E. Salicylic acid.
ANSWER: B
Organic product of the following reaction:
A. Propanamide.
B. Methylethyl butanoate.
C. Butanoic acid.
D. N-ethyl methanamide.
E. Propanoic acid.
ANSWER: A
Hydroxyl acids is:
A. Lactic acid.
B. Succinic acid.
C. Benzoic acid
D. Pyruvic acid.
E. Oleic acid.
ANSWER: A
Aliphatic unsaturated monocarboxyl acid is:
A. Lactic acid.
B. Succinic acid.
C. Benzoic acid
D. Pyruvic acid.
E. Oleic acid.
ANSWER: E
Aliphatic saturated monocarboxyl acid is:
A. Lactic acid.
B. Valeric acid.
C. Benzoic acid
D. Pyruvic acid.
E. Oleic acid.
ANSWER: B
Aromatic monocarboxyl acid is:
A. Lactic acid.
B. Succinic acid.
C. Benzoic acid
D. Pyruvic acid.
E. oleic acid.
ANSWER: C
Keto (oxo) acid is:
A. Lactic acid.
B. Succinic acid.
C. Benzoic acid
D. Pyruvic acid.
E. Oleic acid.
ANSWER: D
Aliphatic saturated dicarboxyl acid is:
A. Lactic acid.
B. Valeric acid.
C. Benzoic acid
D. Pyruvic acid.
E. Oxalic acid.
is:
ANSWER: E
Question to pictures
1. What compound is represented on figure 1?
2.
3.
4.
5.
6.
7.
8.
9.
10.
A. Acetic acid
B. *Formic acid.
C. Sulfate acid.
D. Methanol.
E. Methanal.
What compound is represented on figure 2?
A. *Acetoacetic ester.
B. Methylacetic acid.
C. Formic acid.
D. Caproic acid.
E. Succinic acid.
What is functional group name, which is represented on figure 3?
A. Oxo group.
B. Carbonyl group.
C. *Carboxyl group.
D. Hydroxyl group.
E. Oxyl group.
What is alkyne name, which represented on figure 4?
A. *Acetylene.
B. Ethylene.
C. Propylene.
D. Butylene.
E. Acetone.
What is name an organic compound which is represented on figure 5?
A. Metanal.
B. *Ethanol.
C. Propanol.
D. Methanoic acid.
E. Methanol.
What is reaction type which represented on figure 6?
A. *Nucleophilic substitution.
B. Nucleophilic addition.
C. Electrophilic substitution.
D. Electrophilic addition.
E. Elimination.
What is reaction type which is represented on figure 7?
A. Nucleophilic substitution.
B. *Nucleophilic addition.
C. Electrophilic substitution.
D. Electrophilic addition.
E. Elimination.
Which is alcohol class, which is marked a number 1 on figure 8?
A. *Primary.
B. Secondary.
C. Tertiary.
D. Quaternary.
E. Dihydric.
Which is alcohol class, which is marked a number 2 on figure 8?
A. Primary.
B. *Secondary.
C. Tertiary.
D. Quaternary.
E. Dihydric.
Which is alcohol class, which is marked a number 3 on figure 8?
A. Primary.
B. Secondary.
C. *Tertiary.
D. Quaternary.
E. Dihydric.
11. What is alcohol name (by IUPAC), which is marked a number 1 on figure 8?
A. *Ethanol
B. Propanol-2
C. 2-methylpropanol-2
D. Ethanol-2
E. 2-methylmethanol-1
12. What is alcohol name (by IUPAC), which is marked a number 2 on figure 8?
A. Ethanol
B. *Propanol-2
C. 2-methylpropanol-2
D. Ethanol-2
E. 2-methylmethanol-1
13. What is alcohol name (by IUPAC), which is marked a number 3 on figure 8?
A. Ethanol
B. Propanol-2
C. *2-methylpropanol-2
D. Ethanol-2
E. 2-methylethanol-1
14. What is alcohol name (Fig. 9)?
A. Glycerol.
B. *Ethandiol-1.2.
C. Ethanol.
D. Ethanal-2.
E. Butandiol-1.2.
15. The reaction (fig. 9) is qualitative test for:
A. Monohydric alcohols.
B. *Polyhydric alcohols.
C. Aldehydes.
D. Ketons.
E. Aromatic alcohols.
16. What is product color, which is formed on reaction (fig. 9)?
A. Blue precipitate.
B. Green precipitate.
C. Red precipitate.
D. *Dark blue solution.
E. Colorless solution.
17. The schema reaction which is shown on fig. 10 is reaction equation of:
A. Etherification.
B. *Esterification.
C. Dehydration.
D. Oxidation.
E. Addition.
18. What is product class of reaction which is represented on fig. 10?
A. Ethers.
B. *Esters.
C. Ketones.
D. Aldehydes.
E. Alcohols.
19. What is reaction type which is represented on figure 11?
A. Hydrolysis.
B. Dehydrogenation.
C. *Dehydration.
D. Hydration.
E. Hydrogenation.
20. What is reaction type which is represented on figure 11?
A. Etherification.
B. *Esterification.
C. Dehydration.
21.
22.
23.
24.
25.
26.
D. Oxidation.
E. Addition.
The schema reaction which is shown on fig. 10 is reaction equation of:
A. Nucleophilic substitution.
B. *Nucleophilic addition.
C. Electrophilic substitution.
D. Electrophilic addition.
E. Elimination.
The reaction is shown on figure 12. What is reaction?
A. *Addition of hydrogen cyanide acid in to the aldehyde.
B. Addition of hydrogen cyanide acid in to the ketone.
C. Addition of hydrogen cyanide acid in to the alcohol.
D. Substitution of the aldehyde group by cyano-group.
E. Substitution of the hydroxyl group by cyano-group.
The product reaction (figure 12) name is:
A. Hydrogen cyanide acid.
B. Aldehyde.
C. Alcohol.
D. *Hydroxonitrile.
E. Ketone.
The schema reaction which is shown on fig. 13 is reaction equation of:
A. Nucleophilic substitution.
B. Electrophilic substitution.
C. *Nucleophilic addition.
D. Electrophilic addition.
E. Elimination.
What compound is represented on fig. 14?
A. Salicylic acid.
B. *Adrenalin.
C. Dofamin.
D. Ephedrine.
E. Noradrenalin.
Compound, which is represented on fig. 14, is:
A.
B.
C.
D.
Hydroxiacid.
Ketoacid.
Aldehydoacid.
* Aminoalcohol.
E. Aminoacid
27. Some alcohol is represented on fig. 14. What are alcohol classes?
A. Monohydric.
B. Dihydric.
C. *Trihydric.
D. Fourhydric.
E. Polyhydric.
28. Compound which is represented on fig. 14 is:
A. Enzyme.
B. *Hormone.
C. Hormonoid.
D. Vitamin.
E. Lipid.
29. What is reaction name, which represented on fig.15?
A. *Oxidation.
B. Dehydration.
C. Reduction.
D. Elimination.
E. Etherification.
30. What is class of the reaction product, which sown on fig. 15?
A. *Ketoacid.
B. Aldehydoacid.
C. Aminoalcohol.
D. Hydroxoacid.
E. Aminoacid.
31. Compound, which is shown on fig. 15, is:
A. *α-hydroxiacid.
B.
C.
D.
E.
β-hydroxiacid.
ω-hydroxiacid.
γ-hydroxiacid.
δ-hydroxiacid.
32. Compound, which is represented on fig. 16, is:
A. Ketoacids.
B. Aldehydoacids.
C. Aminoalcohols.
D. Aminoacids.
E. *Hydroxiacids.
33. What is compound name, which is represented on fig. 16?
A. *Lactic acid.
B. β-hydroxibutyric acid.
34.
35.
36.
37.
38.
39.
40.
C. Acetoacetic acid.
D. Pyruvic acid.
E. Oxaloacetic acid.
Acid which is shown fig. 16 is:
A. Dibasic.
B. *Monobasic.
C. Tribasic.
D. Polybasic.
E. Tetrabasic.
What organic compound class is a lactic acid (fig. 16)?
A. Heterocyclic compounds.
B. Aromatic compounds.
C. *Heterofunctional compounds.
D. Carbocyclic compounds.
E. Alycyclic compounds.
What organic compound class is acid, which represented on fig. 17?
A. Heterocyclic compounds.
B. *Heterofunctional compounds.
C. Aromatic compounds.
D. Carbocyclic compounds.
E. Alycyclic compounds.
What is acid name, which is represented on fig. 17?
A. Lactic acid.
B. Pyruvic acid.
C. *Citric acid.
D. Succinic acid.
E. Malic acid
Acid which is shown fig. a 17 is:
A. Dibasic.
B. Monobasic.
C. Polybasic.
D. *Tribasic.
E. Tetrabasic.
Compound, which is represented on fig. 17, is:
A. Ketoacids.
B. Aldehydoacids.
C. Aminoalcohols.
D. Aminoacids.
E. *Hydroxiacids.
What is acid name, which is represented on fig. 18?
A. Lactic acid.
B. Fumaric acid.
C. Citric acid.
D. Succinic acid.
E. *Malic acid
41. What is basicity of malic acid, molecule which represented on fig. 18.?
A. *Dibasic.
B. Monobasic.
C. Polybasic.
D. Tribasic.
E. Tetrabasic.
42. Malic acid (fig. 18) is hydroxiacid. What is functional group specify on its belonging to hydroxiacid?
A. CH2.
B. *OH.
C. C(O)H.
D. SH.
E. NH2.
43. Choose the correct name of acid, which is shown on fig. 19.
A. Lactic acid.
B. Citric acid.
C. Succinic acid.
D. *Pyruvic acid.
E. Malic acid
44. Compound, which is represented on fig. 19, is:
A. *Ketoacid.
B. Aldehydoacids.
C. Aminoacids.
D. Hydroxiacids.
E. Sulfoacid.
45. Choose the correct name of compound, which represented on fig. 20.
A. Salicylic acid.
B. *Sulfanilic acid.
C. Sulfosalicylic acid.
D. Acetylsalicylic acid.
E. p-aminobenzoic acid.
46. Represented on fig. 20 acid is a precursor of:
A. Penicillinic antibiotics.
B. Cephalosporinic antibiotics.
C. *Sulfanilamide preparations.
D. Unsteroidal antiphlogistic preparations.
E. Steroid hormones.
47. What is a type of reaction which is show on figure 21?
A. Elimination.
B. Etherification.
C. Oxidation.
D. *Saponifiable.
E. Redaction.
48. What is product name of reaction, which is represented on fig. 21?
A. *Sodium stearate.
B. Sodium palmitate.
C. Sodium linolenate.
D. Sodium oleiate.
E. Sodium citrate.
49. What is reagent in a reaction which is represented on fig. 21?
A. Dipalmitoglycerol.
B. *Tristearinoglycerol.
C. Tripalmitoglycerol.
D. Trioleoglycerol.
E. Dilinoleoglycerol.
50. What is lipid class compound, which is represented on fig. 22?
A. *Phospholipids.
B. Glycolipids.
C. Neutral fats.
D. Steroids.
E. Waxes.
51. Choose the correct name of compound (fig. 22).
A. Cholesterol.
B. Heparin.
C. Chondroitin sulphate.
D. *Lecitin.
E. Sphingornyelin.
52. Lecitin is phospholipids. What is alcohol in its molecule (fig. 22)?
A. Colamine.
B. Ethanolamine.
C. *Choline.
D. Methanol.
E. Myricyl.
53. What is bond named ( O  C - O - R ) in compound molecule, which is represented on fig. 22?
54.
55.
56.
57.
58.
59.
60.
61.
A. Glycosidic.
B. *Ester.
C. Peptide.
D. Hydrogen.
E. Ionic.
Choose the correct name of compound (fig. 23):
A. Glycerol.
B. *Cholesterol.
C. Sfingosin.
D. Inosine.
E. Neuraminic acid.
A compound which is shown on fig. 23 is:
A. *Alcohol.
B. Acid.
C. Glycoside.
D. Ether.
E. Amid.
Cholesterol (fig. 23) contain hydroxyl (OH) group in the molecule because it has:
A. Spazmolytic activity.
B. Cholic activity.
C. *Antioxidation activity.
D. Antisclerotic activity.
E. Cardiotonical activity.
What is lipid class compound, which is represented on fig. 23?
A. Phospholipids.
B. Glycolipids.
C. Neutral fats.
D. *Steroids.
E. Waxes.
Choose the correct name of compound, which is shown on fig. 24:
A. *Oleolinoleostearin.
B. Palmitooleostearin.
C. Tristearin.
D. Oleopalmitostearin.
E. Palmitolinoleostearin.
What is lipid class compound, which is represented on fig. 24?
A. Phospholipids.
B. Glycolipids.
C. *Neutral fats.
D. Steroids.
E. Waxes.
What is fatty acid is in a second position of compound, which is represented on fig. 24?
A. Palmitic.
B. Oleic.
C. *Linoleic.
D. Linolenic.
E. Stearic.
What is a type of reaction which is show on figure 25?
A. Saponifiable.
B. Oxidation.
C. Etherification.
D. *Hydrogenation.
E. Redaction.
62. What is name of reaction product, which is represented on fig. 25?
A. *Tristearat.
B. Tripalmitat.
C. Trioleat.
D. Trilinoleat.
E. Triarachidonat.
63. Glucose is polyhydricaldehyde. Haw many asymmetric carbon atoms are in a acyclic form of glucose (fig.
26)?
A. One.
B. Three.
C. Two.
D. *Four.
E. Five.
64. What monosaccharide class is glucose (fig.26)
A. Ketohexose.
B. Aldopentose.
C. *Aldohexose.
D. Deoxipentose.
E. Ketopentose.
65. What is the letter «D» mean in the name of D(+)–glucose (fig. 26)
A. Relative configuration of C4 in molecule glucose.
B. Laevorotatory isomer.
C. Dextrorotatory isomer.
D. *Relative configuration of C5 in molecule glucose.
E. Relative configuration of C2 in molecule glucose.
66. What is mean a sign “ + “ in the name of D(+)–glucose (fig. 26).
A. Relative configuration of C4.
B. Laevorotatory isomer.
C. *Dextrorotatory isomer.
D. Relative configuration of C5.
E. Relative configuration of C2.
67. What is systematic name of monosaccharide, which is represented on fig. 27?
A.
B.
C.
D.
E.
α-D- mannopyranose.
*α-D-glucopyranose.
α-D-galactopyranose.
α-D-fructofuranose.
α-D-ribofuranose.
68. Monosaccharide, which is sown on fig. 27, is the end product of hydrolysis:
A. Heparin.
B. Hyaluronic acid.
C. *Starch.
D. Chondroitin sulphate.
E. Cellulose.
69. How many are asymmetric carbon atoms in the molecule of H-D-glucopyranose (fig. 28)?
A. Three.
B. One.
C. *Five.
D. Four.
E. Six.
70. The systematic name of compound which shown on fig. 28 is:
A.
B.
C.
D.
E.
β-D-mannopyranose.
α-D-glucopyranose.
α-D-galactopyranose.
β-D-fructofuranose.
*β-D-glucopyranose.
71. Monosaccharide, which is sown on fig. 28, is the end product of hydrolysis:
A. Heparin.
B. Hyaluronic acid.
C. Amylopectin.
D. *Cellulose.
E. Chondroitin sulphate.
72. The systematic name of T-maltose (fig. 29) is:
A. 4-O-(α-D-galactopyranosydo)-β-D-glucopyranose.
B. 4-O-(β-D-glucopyranosydo)-α-D-glucopyranose
C. *4-O-(α-D-glucopyranosydo)-α-D-glucopyranose.
D. 4-O-(β-D-glucopyranosydo)-β-D-glucopyranose.
E. 4-O-(β-D-mannopyranosydo)-α-D-glucopyranose.
73. What is type of bond in the molecule of α-maltose (fig. 29)?
A. β-1,2-glucosidofructosidic.
B. β-1,4-galactosidoglucosidic.
C. α-1,4-glucosidomanosidic.
D. *α-1,4-glucosidoglucosidic.
E. β-1,4-glucosidoglucosidic.
74. Disaccharide (fig. 29) is a product of hydrolysis such polysaccharide:
A. *Starch.
B. Heparin.
C. Hyaluronic acid.
D. Cellulose.
E. Chondroitin sulphate.
75. What is product formed after hydrolysis of α-maltose (fig. 29)?
A. α-glucose and β-fructose.
B. β-galactose and α-glucose.
C. *2 molecules of α-glucose.
D. 2 molecules of β-galactose.
E. 2 molecules of β-glucose.
76. What is disaccharide name structural formula which is represented on fig. 30?
A. Sucrose.
B. Maltose.
C. *Cellobiose.
D. Lactose.
E. β-fructose.
77. Disaccharide (fig. 30) is a product of hydrolysis such polysaccharide:
A. Starch.
B. Heparin.
C. Hyaluronic acid.
D. *Cellulose.
E. Chondroitin sulphate.
78. After hydrolysis of β–cellobiose (fig. 30) is formed:
A. α-glucose and β-fructose.
B. β-galactose and α-glucose.
C. *2 molecules of β-glucose.
D. 2 molecules of β-galactose.
E. 2 molecules of α-glucose.
79. The systematic name of β–cellobiose (fig. 30) is:
A. 4-O-(α-D-galactopyranosydo)-β-D-glucopyranose.
B. 4-O-(β-D-glucopyranosydo)-α-D-glucopyranose.
C. 4-O-(α-D-glucopyranosydo)-α-D-glucopyranose.
D. *4-O-(β-D-glucopyranosydo)-β-D- glucopyranose.
E. 4-O-(α-D-manopyranosydo)-α-D- glucopyranose.
80. What is type of bond in the molecule of W–cellobiose (fig. 30)?
A.
B.
C.
D.
E.
β-1,2-glucosidofructosidic.
β-1,4-galactosidoglucosidic.
α-1,4-glucosidomanosidic.
*β-1,4-glucosidoglucosidic.
α-1,4- glucosidoglucosidic.
81. Disaccharide (fig. 31) name is:
A.
B.
C.
D.
α-lactose.
*β-lactose.
α-maltose.
β-cellobiose.
E. Sucrose.
82. The systematic name of β-lactose (fig. 31) is:
A. 4-O-(β-D-glucopyranosydo)-α-D-glucopyranose.
B. 4-O-(α-D-glucopyranosydo)-α-D-glucopyranose.
C. 4-O-(β-D-glucopyranosydo)-β-D- glucopyranose.
D. *4-O-(β-D-galactopyranosydo)-β-D-glucopyranose.
E. 4-O-(α-D-mannopyranosydo)-α-D-glucopyranose.
83. What is type of bond in molecule of β-lactose (fig. 31)?
A. β-1,2-glucosidofructosidic.
B. *β-1,4-galactosidoglucosidic.
C. α-1,3-glucosidomanosidic.
D. α-1,4-glucosidoglucosidic.
E. β1,4-glucosidoglucosidic.
84. After hydrolysis of β-lactose (fig. 31) is formed:
A. α-glucose and β-fructose.
B. *β-galactose and β-glucose.
C. 2 molecules of β-glucose.
D. 2 molecules of α-galactose.
E. 2 molecules of α-glucose.
85. The systematic name of sucrose (32) is:
A.
B.
C.
D.
E.
1,3-O-(α-D-galactopyranosydo)-β-D-glucopyranose.
2,2-O-(β-D-glucopyranosydo)-α-D-glucopyranose.
2,3-O-(α-D-glucopyranosydo)-α-D-glucofuranose.
*1,2-O-(α-D-glucopyranosydo)-β-D-fructofuranose.
1,4-O-(α-D-manopyranosydo)-α-D-glucopyranose.
86. What is type of bond in molecule of sucrose (fig. 32)?
A. *αβ-1,2-glucosidofructosidic.
B.
C.
D.
E.
αα-1,1-galactosidoglucosidic.
βα-1,3-glucosidomanosidic.
αβ-1,4-glucosidoglucosidic.
βα-1,4-glucosidoglucosidic.
87. What is disaccharide sown on fig. 32?
A.
B.
C.
D.
αβmaltose.
β-maltose.
β-lactose.
β-cellobiose.
E. *Sucrose.
88. The sucrose (32) appears during condensation:
A. *α-glucose and β-fructose.
B.
C.
D.
E.
β-galactose and α-glucose.
2 molecules of α-glucose.
2 molecules of β-galactose.
2 molecules of β-glucose.
89. Reaction equation (33) is equation of formation:
A. *Sucrose.
B. Maltose.
C. Cellobiose.
D. Lactose.
E. β-fructose.
90. What has polysaccharide structural fragment which is shown on fig. 34?
A. *Glycogen.
B. Heparin.
C. Cellulose.
D. Hyaluronic acid.
E. Amylose.
91. What is type of bond in the starch (fig. 34)?
A.
B.
C.
D.
E.
β-1,2- and α-2,5-glucosidofructosidic.
β-1,1- and α-1,3-galactosidoglucosidic.
α-1,4-and α-1,3-glucosidomanosidic.
*α-1,4- and α-1,6-glucosidoglucosidic.
β-1,4- and α-1,3-glucosidoglucosidic.
92. What has polysaccharide structural fragment which is shown on fig. 35?
A. Glycogen.
B. Heparin.
C. Cellulose.
D. Hyaluronic acid.
E. *Amylose.
93. Nitrogen contains five-member ring compound is represented on fig. 36. What is it name?
A. Pyrimidine.
B. Pyrazole.
C. *Pyrrole.
D. Furan.
E. Pyridine.
94. Heterocyclic compound (fig. 36) has weak acidic properties. What is it name?
A. Pyridine
B. Thiophene
C. Quinoline
D. *Pyrrole
E. Furan
95. Pyrolidine (cyclic secondary amine) is formed after redaction compound which is represented on fig. 36. What is it
name?
A. Pyridine
B. Thiophene
C. Quinoline
D. *Pyrrole
E. Furan
96. What is compound name which is shown on fig. 37?
A. *Hemoglobin
B. Thiophene
C. Quinoline
D. Imidazole
E. Furan
97. Which is reaction, which is represented on fig. 38?
A. Amination
B. *Decarboxylation.
C. Deamination
D. Methylation
E. Rdaction
98. What is reaction (fig. 38) product name?
A. Histamine
B. *Tryptamine
C. Serotonin
D. Indole
E. Purine
99. Product, which is represented on fig. 39, is named:
A.
B.
C.
D.
E.
100.
A.
B.
C.
D.
*Histidine
Tryptophan
Threonine
Phenylalanine
Osoproline
Product of reaction, which is represented on fig. 39 is named:
Tryptophan
Serotonin
Histidine
Tryptamine
E. *Histamine
101.
Six-member ring compound is represented on fig. 40. What is it name?
A. *Pyridine
B. Pipyridine
C. Pyrazine.
D. Pyrimidine.
E. Pyridazine.
102.
Six-member ring compound (fig. 40) is basis of vitamin of B5. What is it name?
A. Pyrrole.
B. Pyrimidine
C. *Pyridine
D. Pyrazine
E. Pirazole
103.
Compound, which is represented on fig. 41, is derivative of Pyridine. Its named:
A. Isoquinoline
B. Acridine
C. *Quinoline
D. Acridane
E. Ftalazine
104.
Compound (fig. 41) is present in molecule of medicine, which have an antimicrobial and an antiseptic activity.
Choose its name:
A. Pteridine
B. *Quinoline
C. Pyridazine.
D. Acridine
E. Quinoxaline
105.
Compound, which is shown on fig. 42, is named:
A. Nicotic acid
B. Pyridoxamine
C. *Nicotine amide
D. Izonicotinic acid
E. Pyridoxal
106.
Choose the correct name of compound, which is shown on fig. 42:
A. Pyridoxamine
B. Izonicotinic acid
C. Pyridoxal
D. *Nicotine amide
E. Nicotic acid
107.
Six-member ring heterocyclic compound with two heteroatoms is represented on fig. 43. Choose its chemical
name:
A. *Pyrimidine.
B. Pyrazine.
C. Pyridazine.
D. Pipyridine
E. Pyridine
108.
Derivatives of compound (fig. 43) are complement of nucleic acids. Choose this compound name:
A. Pipyridine
B. Pyridazine
C. Pyridine
D. Pyrazine.
E. *Pyrimidine
109.
End product of purine bases metabolism is shown on fig. 44. Choose its name:
A. Xanthine
B. Purine
C. Hypoxanthine
D. *Uric acid
E. Alloxazine
110.
Compound (on fig. 44) is condensed heterocyclic compounds. What is it name?
A. *Uric acid
B. Nicotine amide
C. Histamine
D. Pyirimidine
E.
111.
A.
B.
C.
D.
E.
112.
A.
B.
C.
D.
E.
113.
A.
B.
C.
D.
E.
114.
A.
B.
C.
D.
E.
115.
A.
B.
C.
D.
E.
116.
A.
B.
C.
D.
E.
117.
A.
B.
C.
D.
E.
118.
A.
B.
C.
D.
E.
119.
A.
B.
C.
D.
E.
120.
A.
B.
C.
D.
E.
121.
Pyridoxamine
Compound, which is represented on fig. 45, is purine base. What is it name?
Uracil
Guanine
Thymine
*Adenine
Cytosine
Compound (fig. 45) is nucleic base, which are forms a complementary pair with thymine. What is name?
Cytosine
Guanine
*Adenine
Uracil
Purine
What is compound name which is represented on fig. 46?
Guanine
Purine
Cytosine
Adenine
*Uracil
Nucleic base, which is shown on fig. 46, is not in DNA molecule. Choose its name:
Adenine
*Uracil
Thymine
Guanine
Cytosine
To name compound, this is represented on fig. 47.
Uridine
*Adenosine-5’-monophosphate
Cytidine-5’- monophosphate
Guanosine-5’-monophosphate
Deoxythymidine – 5’-monophosphate
Nucleotide is represented on fig. 47. It is named:
Guanosine-3’-monophosphate
*Adenosine-5’-monophosphate
Cytidine-5’- monophosphate
Guanosine-5’-monophosphate
Thymidine – 5’-monophosphate
Nucleoside is represented on fig. 48. It is named:
Guaninosine
*Adeninosine
Cytidine
Uridine
Thymidine
What is bond name which is formed between nucleic base and carbohydrate in nucleoside (fig. 48)?
Ester
Hydrogen
Peptide
O-glycosidic
*N-glycosidic
What is compound name which is represented on fig. 49?:
*dATP
GTP
dAMP
ADP
dUTP
What has compound (fig. 49) of the biological role?
Protective
Structural
Regulator
*Energetic
Catalytic
What is structural component of a cell membrane is shown on fig. 50 by a number 2?
A. *Proteins.
B. Phospholipids.
C. Cholesterol.
D. Carbohydrates.
E. Alcohols.
122.
Proteins are present in cell membrane, which schema is sown on fig. 50 and they are marked by number. What
effect has they in cell membrane?
A. Catalytic.
B. Transport.
C. Protective.
D. *Structural.
E. Regulator.
123.
Chemical formula (fig. 51) is formula of:
A. Vitamin of С12.
B. Chlorophyll.
C. *Hemoglobin.
D. Superoxiddismutase.
E. Bilirubin.
124.
What is class name of compound, which is represented on fig. 51?
A. *Tetrapyrrole
B. Dipyrrole
C. Bicyclic
D. Tripyrrole
E. Monopyrrole
125.
What is present heterocyclic complement in the hemoglobin, formula which is shown on fig. 51?
A. Pyridine
B. Thiazole
C. *Pyrrole
D. Pyridazine
E. Pyrimidine
126.
What is typical function for compound, which is represented on fig. 51, in an organism?
A. Protective
B. Regulation
C. Catalytic
D. *Transference
E. Structural
127.
Formula which is represented on fig. 52 is total formula of:
A. Ketoacid
B. Aldehydoacid
C. *Aminoacid
D. Hydroxiacid
E. Sulphoacid
128.
Such functional groups are present in molecule of compound (fig. 52):
A. Hydroxyl and carboxyl
B. Keto and hydroxyl
C. Aldehyde and carboxyl
D. *Amino and carboxyl
E. Nitro and carboxyl
129.
What is name of amino acid which is shown on fig.53?
A. Glycine
B. Asparagine
C. Tyrosine
D. Serine
E. *Valine
130.
What is functional group in 3-position of compound, which is represented on fig. 53?
A.
B.
C.
D.
E.
131.
A.
*Methyl
Metoxyl
hydroxyl
Amino
Nitro
Compound (fig. 53) is belonging to:
Ketoacid
B.
C.
D.
E.
132.
A.
B.
C.
D.
E.
133.
A.
B.
C.
D.
E.
134.
A.
B.
C.
D.
E.
135.
A.
B.
C.
D.
E.
136.
A.
B.
C.
D.
E.
137.
A.
B.
C.
D.
E.
138.
A.
B.
C.
D.
E.
139.
A.
B.
C.
D.
E.
140.
A.
B.
C.
D.
E.
141.
A.
B.
C.
Aldehydoacid
Hydroxiacid
*Aminoacid
Sulphoacid
Formula (fig. 54) is formula of such amino acid:
Tyrosine
*Glutamic
Histidine
Arginine
Asparagine
Glutamic acid (fig. 54) is:
Monocarboxilic
*Dicarboxilic
Tricarboxilic
hydroxicarboxilic
Ketocarboxilic
Formula, which is shown on fig. 54, is formula of such amino acid:
*Tyrosine
Phenylalanine
Histidine
Tryptophan
Threonine
Tyrosine (fig. 55) is such class:
*Monoaminomonocarboxilic
Monoaminodicarboxilic
Diaminomonocarboxilic
Diaminodicarboxilic
Monoaminotricarboxilic
What is bond formed between molecules of two amino acid (fig. 56)?
*Peptide
Ester
Glycosidic
Disulphidic
Hydrogen
What reaction is used for determination bond in compound, which is represented on fig. 56?
Ninhydrin
Xanthoprotein
*Biuret
Foll
Adamkevich
Dipiptide is shown on fig. 57. What amino acid is it contain?
Valine and Threonine
Asparagin and Glycine
Serine and Valine
*Glycine and Alanine
Leucine and Valine
Dipeptide, which is represented on fig. 57, is named:
*Glycilalanine
Glyciltyrosine
Valilserine
Threonilglycine
Valilalanine
Reaction which is on fig. 58 belongs to such type reactions:
Synthesis.
Hydroxylation
Deamination.
*Polycondensation
Decarboxylation
Bond (fig. 58), which is formed between 1 and 2 compounds, is named:
*Peptide
Glycosidic
Disulphidic
D.
E.
142.
A.
B.
C.
D.
E.
143.
A.
B.
C.
D.
E.
144.
A.
B.
C.
D.
E.
145.
A.
B.
C.
D.
E.
Hydrogen
Ester
Formula, which is shown on fig. 54, is formula of such amino acid:
Tyrosine
Phenylalanine
Histidine
*Tryptophan
Proline
What heterocyclic ring is containing molecule of Tryptophan (fig. 59)?
*Pyrrole
Thiophene
Furan
Imidazole
Pirazole
Represented on fig. 60 formula answers amino acid:
*Cysteine
Threonine
Valine
Serine
Methionine
What reaction is used for determination Cysteine (fig. 60)?
Ninhydrin
Xanthoprotein
*Foll
Biuret
Adamkevich