1
Yakeen 2.0 2023
Biomolecules
1.
Which of the following organic compound are acid
insoluble fraction?
(a) Proteins
(b) Nucleic acid
(c) Polysaccharides (d) Lipids
(1) a, b & c
(2) b, c, & d
(3) a & c
(4) a, b, c & d
2.
Which of the following function is correctly
matched with the given structural formula?
(1) Cholesterol - a component of animal cell
membrane
(2) Lecithin - a component of cell membrane
(3) Triglyceride - an energy source
(4) Adenosine - a component of nucleic acids
3.
Identify the given structural formula and select the
correct option
(1)
(2)
(3)
(4)
4.
A
Adenine
Guanine
Adenine
Cytosine
B
Uracil
Thymine
Guanine
Thymine
Match column I with column II and select the
correct option from the given codes
Column I
Column ll
A. Pigment
i.
Concanavalin A
B. Terpenoides ii. Monoterpenes, diterpenes
C. Alkaloids
iii. Morphine, codeine
D. Lectins
iv. Carotenoids, anthocyanins
(1) A-iv
B-ii
C-iii
D-i
(2) A-iv
B-iii
C-ii
D-i
(3) A-i
B-iv
C-iii
D-ii
(4) A-i
B-iii
C-ii
D-iv
DPP-01
5.
Lipids are generally soluble in
(1) Water
(2) Non-polar organic solvents
(3) Only (1)
(4) Both (1) & (2)
6.
Secondary metabolite that is also a polymeric
substance is
(1) Ricin
(2) Monoterpenes
(3) Curcumin
(4) Rubber
7.
Which of the following acid is used to analyse the
chemical composition of living tissues?
(1) HCl
(2) Cl3CCOOH
(3) HSO4
(4) H3BO3
8.
Most abundant
organism is
(1) Lipid
(3) Proteins
organic
compound
in
living
(2) Water
(4) Nucleic Acid
9.
Bio macromolecules have molecular weight of
(1) Below 1000 Da (2) 18 to 800 Da
(3) 8 to 800 Da
(4) 10,000 Da and above
10.
How many of the following are the polymeric
substances
Carotenoids, Ricin, Rubber, Codeine, Gums,
Morphine, Cellulose, Diterpenes
(1) Two
(2) Three
(3) Four
(4) Five
11.
Complete the analogy
Lectins : Concanavalin A :: Toxin : ______
(1) Codeine
(2) Ricin
(3) Lemon grass oil (4) Vinblastine
12.
Category of biomolecule that forms 10– 15% of the
total cellular mass is
(1) Carbohydrates (2) Lipids
(3) Nucleic acids
(4) Proteins
13.
The most abundant element present in human body
is
(1) Carbon
(2) Hydrogen
(3) Oxygen
(4) Nitrogen
2
14.
Which of the following is a primary metabolite?
(1) Carotenoid
(2) Glucose
(3) Morphine
(4) Cellulose
23.
Secondary metabolites can be observed in
(1) Plants cells
(2) Fungal cells
(3) Microbial cells (4) All of the above
15.
The compounds found in acid soluble pool have
molecular weights ranging from
(1) 800–1000 Da
(2) More than 1000 Da
(3) 18 to 800 Da
(4) More than 10,000 Da
24.
Which of the
metabolites?
(1) Rubber
(3) Curcumin
16.
Most abundant chemical in living organisms is
(1) Proteins
(2) Water
(3) Lipid
(4) Nucleic acid
25.
17.
A secondary metabolite that acts as a toxin is
(1) Carotenoids
(2) Curcumin
(3) Abrin
(4) Monoterpenes
Primary metabolites
(1) Include glucose and fructose
(2) Present in all living tissues
(3) Plays known roles in all physiological process
(4) All of the above
26.
Find the incorrect matching
(1) Essential oils – Lemon grass oil
(2) Terpenoids – Monoterpenes, diterpenes
(3) Polymeric substances – Rubber, gums, cellulose
(4) Drugs – Carotenoids, anthocyanins
following
is/are
secondary
(2) Morphine
(4) All of the above
18.
Secondary metabolites that belong to lectins is
(1) Carotenoids
(2) Gums
(3) Lemon grass oil (4) Concanavalin A
19.
Codeine is
(1) An essential oil
(2) A polymeric substance
(3) An alkaloid
(4) A toxin
27.
The role of secondary metabolites is/are
(1) Useful to human welfare
(2) Role in normal physiological processes
(3) Ecologically important
(4) Both (1) and (3)
20.
The four elements called “big-four” which make up
95% of all elements found in a living system are
(1) C, H, O, N
(2) C, H, O, P
(3) C, H, O, S
(4) C, N, O, P
28.
21.
Match the column I with column II and select the
correct option from codes given below.
Which of the following is true about compounds in
the acid-insoluble pool?
(1) They have a molecular weight more than 1000
Daltons
(2) They are called macromolecules
(3) Lipid molecules weigh less than 1000 Daltons
but still belong to the acid in soluble pool
(4) All of the above
29.
Which of the following is primary metabolite?
(1) Carotenoid
(2) Glucose
(3) Morphine
(4) Cellulose
30.
Match the following
A. Alkaloid
1.
B. Toxin
2.
C. Lectin
3.
D. Drug
4.
(1) A-1, B-2, C-3, D-4
(2) A-2, B-1, C-4, D-4
(3) A-3, B-2, C-1, D-4
(4) A-2, B-1, C-3, D-4
Column-I
A. Pigments
B. Toxins
C. Alkaloids
D. Lectins
(1)
(2)
(3)
(4)
22.
Column-II
(i)
Abrin, ricin
(ii)
Concanavalin A
(iii) Carotenoids
(iv) Morphine, codeine
A-(iv), b-(iii), C-(i), D-(ii)
A-(ii), b-(iv), C-(i), D-(iii)
A-(iii), b-(i), C-(iv), D-(ii)
A-(i), b-(ii), C-(iii), D-(iv)
Find out the wrongly matched pair
(1) Primary metabolite – Ribose
(2) Secondary metabolite – Anthocyanins
(3) Protein – Insulin
(4) Cellulose – Heteropolymer
Abrin
Morphine
Concanavalin A
Vinblastine
3
31.
Chemically analysing the organic compounds found
in living organisms, two fractions are observed.
They are
(1) Acid soluble pool and acid insoluble pool
(2) Organic pool and inorganic pool
(3) Aqueous and non-aqueous pool
(4) Carbon pool and hydrogen pool
32.
Grinding living tissue in trichloroacetic acid shows
the presence of ___________ constitutes inorganic
compounds like sulphate, phosphate, etc.
(1) Acid insoluble fraction
(2) Acid soluble fraction
(3) Both (1) and (2)
(4) None of the above
33.
34.
Which is/are true about the macromolecules or
biomacro-molecules?
(1) These are found in acid insoluble fraction or
retentate
(2) With the exception of lipids, these are
polymeric substances
(3) They have molecular weights in the range of
ten thousands daltons and above with the
exception of lipids
(4) All of the above
What is the common feature in all the compounds
found in the acid soluble pool?
(1) They have molecular weight ranging from 18 to
around 800 dalton (Da) approximately
(2) They have molecular weight ranging from 18 to
around 80 daltons (Da) approximately
(3) They have molecular weight ranging from 80 to
around 800 daltons (Da) approximately
(4) None of the above
35.
Term ‘ash’ in terms of living tissue sample analysis
refers to
(1) Compounds evolved in the form of gases
(2) The residual material left after burning the
tissue contaning inorganic elements (e.g.
calcium, magnesium, etc)
(3) Organic compounds oxidised to gaseous form
and water vapour) after burning of tissue
(4) Compounds which may be soluble in
intracellular fluid
36.
Components present in acid insoluble pool are
(1) Protein, nucleic acid, polysaccharide
(2) Protein, lipid, monosaccharide
(3) Protein, nucleic acid, amino acid
(4) Lipid, amino acid
37.
Which one of the following is roughly represents the
cytoplasmic composition?
(1) Acid soluble Pool
(2) Filtrate
(3) Acid Insoluble Pool
(4) Both (1) & (2)
38.
Cellular pool comprises
(1) Tens of biomolecules
(2) Hundreds of biomolecules
(3) Thousands of biomolecules
(4) Hundred thousands of biomolecules
39.
From the following groups, select the one which has
only secondary metabolites
(1) Arbin, cellulose, arginine, tyrosine
(2) Glycine, gums, serine, diterpenes
(3) Carotenoids, phenylalanine, curcumin, rubber
(4) Concanavalin A, morphine, codeine, vinblastine
40.
Find the odd one out
(1) Rubber
(2) Gums
(3) Cellulose
(4) Abrin
4
Note: Kindly find the Video Solution of DPPs Questions in the DPPs Section.
Answer Key
1.
(4)
21.
(3)
2.
(1)
22.
(4)
3.
(1)
23.
(4)
4.
(1)
24.
(4)
5.
(2)
25.
(4)
6.
(4)
26.
(4)
7.
(2)
27.
(4)
8.
(3)
28.
(4)
9.
(4)
29.
(2)
10.
(2)
30.
(4)
11.
(2)
31.
(1)
12.
(4)
32.
(2)
13.
(3)
33.
(4)
14.
(2)
34.
(1)
15.
(3)
35.
(2)
16.
(2)
36.
(1)
17.
(3)
37.
(4)
18.
(4)
38.
(3)
19.
(3)
39.
(4)
20.
(1)
40.
(4)
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