ICAR PLANT SCIENCE MOCK TEST IV
Dept Of Genetics And Plant Breeding
1.The ratio to the nursery to main area in Rice is
(a) 1:10
(b) 1:15 (c) 1:8 (d) 1:20
2. Indian states excels in pulse production is
(a) UP (b) MP (c) AP (d) Rajasthan
3.The oilseed showing highest productivity in India among them is
(a) Groundnut (b) Castor (c) Sesame (d) Sunflower
4. Presently the country leading in the Milk production is
(a) Australia (b) America (c) Canada (d) India
5. Saltation is a type of
(a) Water erosion (b) Wind erosion (c) Accumulation of salt in the
sea (d) None of the above
6. NPK content of FYM is
(a) 0.5-0.2-0.5
(b) 0.2-0.6-0.8 (c) 0.7-0.5-0.2 (d) 0.5-0.5-0.5
7.Animal starch is
(a) Innulin (b) Fructoson (c) Glucon (d) Glycogen
8.In economics Fixed ratio is given by
(a) Fixed expenditure / gross income (b) Total expenditure / Gross
income (c) Total expenditure / Gross expenditure (d) Total assets /
Total liabilities
9.Mean=Mode= Median in ---------- distribution
(a) Binominal
(b) Poisson (c) Normal (d) Skewed
10. Maximum water required for
(a)Rice (b) Sugarcane (c) Potato (d) Banana
11.CDP launched in the year
(a) 1954 (b) 1959 (c) 1952 (d) 1953
12.Fundamental objective of extension education is
(a) Development of the recourses
(b) Development of the People
(c) Industrialization (d) Modernization
13. Oxygen is required for
(a) Glycolysis (b) TCA cycle (c) C4 cycle (d) ETC
14. Starch and Glucose are synthesized in -------& --------- respectively
(a) Cytoplasm & Chloroplast (b) Chloroplast & Cytoplasm
(c)
Chloroplast & Chloroplast (d) Cytoplasm and Cytoplasm
15.Transpiration rate is affected by
(1) Temperature (2) RH (3) Wind Speed (4) Stomata Frequency
(a) 1 only (b) 2&4 only (c) 1,2,3,4 (d) 1.3
16. Soft seeded variety of Mango is
(a)Mallika (b) Rathna (c) Sindhu (d) Alphonsa
17.Regarding enzymes mark the incorrect statement
(a) Increases the energy of Activation
Activation
(b) Decreases the energy of
(c) Activity affected by heat (d) They are Biological
Catalyst
18.The major pest of Sorghum is
(a) Atherigona (b) Spodoptora (c) Holitricha (d) Helicoverpa
19.Pressure at MSL is ______ mb (a) 103.13 (b) 1013.25 (c) 1011.0 (d)
1010.25
20.Photorespiration is more in
(a) Soybean (b) Amaranths (c) Maize (d) Sorghum
21.Net ATP gain in Glcolysis is
(a) 2 (b) 4 (c) 8 (d) 10
22.Director General of ICAR is
(a) (b) (c)Baroda (d) Punjab singh
23. Metamorphic rock is
(a) Slate (b) Shale (c) Granite (d) Sandstone
24.The most productive soil of India is
(a) alluvial soil (b) Laterite soil (c) Inverti soil (d) Aridi soil
25.Imporatant Pulse crop of India is
(a)
Blackgram (b) Greengram (c) Redgram (d) Gram
26. Wheat mostly takes Nitrogen in the form of
(a) NO2 (b) NO3 (c) NH4 (d) N2O
26.All our present rice varieties are mostly
(a) Pure lines (b) Populations (c) Synthetics (d) Composites
27. Arrange the following in a sequence regarding DNA replication
(1) Primer (2) Ligase (3) Polymerase (4) Helicase
(a)
2,4,31 (b) 1,4,3,2 (c) 2,4,3,1 (d) 3,4,1,2
28.Plant phenomena responsible for checking the natural out crossing is
(a)
Plasmigamy (b) Karyogamy (c) Chasmogamy
above
(d) all the
29.Nucleus of the apomitic embryo is
(a)
Haploid (b) Diploid (c) ether a or b (d) all are triploids
30. Male sterile plant differ from the self incompatible plant in having
(a) Fertile pollen (b) Sterile pollen (c) sterile ovary (d)
Fertile
ovary
32. UV rays cause mutation in genetic material by
(a)
Making a nick (b) By forming a Pyrimidime dimer (c) By
forming a base analog (d) all of the above
33.Genetic code is degenerate , it means
(a)
one amino acid for one codon (b) one codan for one amino acid
(c) More than one codan for one amino acid (d) None of the above
34.Assuming the sex ratio to be 1:1 what id the probability of the same
parents to get a
successive five childrens in which first three are girls and later two
are sons
(a)
1 / 2 (b) 1 / 5 (c) 3 / 5 (d) 1 / 32
35.Deletion can be cytologically found out by
(a)
“X “ shaped structure (b) Loops (c) Both a & b (d) none of the
above
36. The basic principle of Dehydration in control of microorganism is
(a)
Oxidation of the cell contents (b) Microbicidal (c) Coagulation
of the cell contents (d) Microbiostasis
37. Logically G: C nitrogenous pairs will be rich in
(a) Methanococus (b) Spiriluna (c) Aspergillus (d) Arabidopsis
38. Eliminate the eukaryotic organism
(a)
Rickettisia (b) Protozoa (c) Spiroplasma (d) None of the above
39.The Chloroplast and Mitochondria are the guest inside the eukaryotic
host, this is given by
(a)
Cell theory (b) Cellular theory (c) Endosymbiont theory (d)
Associative Theory
40. Bacillus antharacis takes --------- colour during Gram staining
(a)
Red (b) Crystal Blue (c) Crystal violet (d) Gram variable
41. Temperate phage is one
(a)
which tolerates more temperature (b) Thermo sensitive phage
(c) Provisionally does not lyses the host (d) none of the above
42. Classification of the virus n to living or non living organism is still
biased is because of
(a)
It don’t have cell wall (b) it don’t have own enzyme system (c)
Both a & b
(d) None of the above
43.Which of the following statement is about the fungi in general
(a)
its eukaryote (b) its microscopic (c) Achlorophylls (d) It has
cell wall
44. Yellow coloured pigment is produced by
(a)
Xanthomonas (b) Pythium (c) Psuedomonas (d) Clostridium
45. Virons are (a)
Protein
(b) Glycoprotein
(c) Lipoprotein
(d)
Nucleoprotein
46. ‘Tea Yellows’ is caused by
(a)
Fungi (b) Bacteria (c) Virus (d) None of the above
47. Smut pathogen differs from Rust pathogen in having
(a)
Facultative parasitism (b) Obligate parasitism
(c) Obligate
saprophytism
(d) all of the above
48.Wilt toxin is (a) Tab toxin (b) Fusaric acid (c) both a & b (d) none of
the above
49.Pathogen of the panama disease of banana is primarily
(a)
water borne (b) Sucker borne (c) Soil borne (d) seed borne
49.Perfect stage of the casual organism of the sugarcane anthracnose is
(a)
Colletotrichum falcatum
(b) Glomerulla tucumanesis (c)
Cercospora arachdicola (d) Colletotrichum capcsi
50. Dikaryotic stage of wheat rust pathogen starts from
(a)
Pycnio spore (b) Telio spore (c) Uredospore (d) Repeating
spore
51. Benzamidazole is not effective against
(a)
Basidiomycotina
(b) Zygomycotina
(d)Duetromycotina
52. Puckering symptom is produced by
(a)
virus (b) MLO (c) Bacteria (d) Fungus
(c) Mastigomycotina
53.Ascospores are ---- celled (a) 1 (b) 2 (c) 3 (d) 4
54. Discrepancies between the Germination test and Tetrazolium test occur
due to
(a)
Dormant seed (b) Hard seed (c) both a & c (d) none of the
above
55.The photosynthetically functional cotyledon during germination is seen
in
(a)
Pea (b) Rice (c) Sorghum (d) Soybean
56.Certified seed production stage
(a)
can be beyond 3 generations after FS-I (b) cannot be beyond 3
generations beyond FS-I (c) Can not exceed CS-I (d) None of the
above
57.Number of inspection required for the CS seed production of Groundnut
is
(a)
1 (b) 2 (c) 3 (d) 4
58.The main aim of generation system of seed multiplication is
(a)
Physical purity (b) Genetic purity (c) both a & b (d) either a or
b
59.The partly stained Maize seed in the Tetrazolium chloride test can be
classified as
(a)
Viable (b) Inviable (c) Reduced vigor (d) all of the above
60.Which of the following plant is having more chance of
variation
Genetic
(a)
Rice (b) Sorghum (c) Maize (d) Groundnut
61.The living part of the seed is
(a)
Seed coat (b) Perisperm (c) Alerone layer (d) Hilum
62.Isolation distance for certified production of Cotton is
(a)
20m (b) 30m (c) 60m (d) 50m
63.CMS can be used to produce hybrid in
(a)
Rice (b) Cotton (c) Beetroot (d) Onion
64.According to the dominance theory of Heterosis, which of the following
cross is Heterotic
(a)
AABBccdd X AABBccdd (b) AabbCCdd X AABBCCdd
(b)
AABBccDD X
AABBccDD
(d)
AABBccddee X
AABBccddee
65.Consider the following and find out the gene order
AB=30cM , CD=15cM, DB=27cM,AD=3cM,CB=42cM
(a)
CADB (b) DCAB (c) BDAC (d) ABCD
66.If a plant of AaBbCCddeeff is selfed , what proportion of the family
will be AaBbCCddeeFf
(a)
4 / 4096 (b) 8 / 1024 (c) 8 / 4096 (d) 4 /1024
67.A dozen of corn are available for single cross, how many way it can be
paired
(excluding reciprocal crosses) (a) 55 (b) 66 (c) 10 (d) 11
68.Which of the following
aminoacid sequence
mRNA sequence will give maximum
(a)
5’ UUUCCCCAAUGACAA 3’ (b) 5’ UUAUAUUAAAUG 3’
(b)
5’
AUGUGAUACUCAUAA
3’
(d)
5’
AUGAUGUGAUAAAUG 3’
69. Theoretical number of Micro and Mega spore required to produce 100
Rice grain is
(a)
25,100 (b) 100,25 (c) 100,100 (d) 50,50
70. In an two gene interaction when the dominant alleles of both the loci ,
each produces
the same phenotype without cumulative effect , the F2 ratio will be
(a) 9:6:1 (b) 15:1 (c) 9:3:4 (d) 11:5
71. Approximate base pairs present in 850A. length of the B-DNA is
(a) 300 bp (b) 250 bp (c) 275 bp (d) 340bp
72.Optimum pH for fungus growth is
(a)
3.8-5.6 (b) 5.6-9.6 (c) 7.0 (d) 5-10
73. Agar agar is extracted from
(a)
Red algae (b) Green algae (c) Bluegreen algae (d) none of the
above
74. The exceptional Chlorophyllus fungi is
(a)
Graphium (b) Exobasidium (c) Erysiphales (d) None
75.Tetracycline is sensitive to
(a)
Gram +ve (b) Gram - ve (c) both a & b (d) None of the above
76.The stable product of dinitorgen reduction by Rhizobium is
(a)
NO3 (b) NO2 (c) NH4 (d) N2O
77.By the uptake nitrogen activity the up took nitrogen is used up for
(a)
Production of reducing power (b) ATP generation (c) both a &
b (d) none of
the above
78.Aerobic nitrogen fixing bacteria is
(a)
Azospirillum
(b)
Methanococus
(c)
Clostridium
(d)
Azotobacter
79.Methane content of biogas varies from (a) 50-60 % (b) 40-45 % (c)
80-85 % (d) 60-70 %
80.Rhizosphere term was coined by
(a) Hiltner (b) Ruiner (c) Picci (d) Walksman
81.An positive interaction in which one organism other either gets benefit
nor harmed ,
this kind of interaction is known as
(a)
Neutralism
(b)
Ammensalism
(c) Symbiosis
(d)
Commensalism
82.Arils are the out growth of
(a)
Testa (b) Funicle (c) Aleurone (d) Hilum
83.Rice endosperm is made up of
(a)
Definitive nucleus (b) Synergids (c) Antipodals (d) None of the
above
84.The peg of the Groundnut is nothing but extension
(a)
Pedicel (b) Ovary wall (c) Receptacle (d) Either of the above
85. Nipping is done in --------crop to increases the seed yield
(a)
Rice (b) Sorghum (c) Soybean (d) Sesamum
86.The pH of the solution is 12. then the [OH-] ion concentration will be
(a)
1012 (b) 0.02 (c) .0002 (d) 10-12
87.The seed part which activates the seed metabolic process
during
germination is
(a)
Testa (b) Embryo (c) Cotyledon (d) Aleurone layer
88.If u want to produce hybrid seed commercially. Which is the most
remunerative one
(a)
Rice (b) Maize (c) Sunflower (d) Cotton
89. Albuminous dicot seed is
(a) Castor (b) Bengalgram (c) Groundnut
(d) All of the above
90. Pleurotus is a (a) Fungi (b) Bacteria (c) Virus (d) none
91Vitamin H is (a) Thioctic acid (b) Riboflavin (c) Riboflavin (d) Biotin
92. Chloroplast will be present in
(a)
Azospirillum
(b)
Acetobacter
(c)
Acetoblutaria
(d)
Achromatium
93. Gymenosperm differ from angiosperm in having
(a)
3n endosperm (b) Seed coat (c) 2n endosperm (d) both a & b
94.Number of amino acid need to form 50 peptide bond is in a primary
structure of
protein is (a)100 (b) 49 (c) 51 (d) 99
95. The crop having lowest seed multiplication ratio is
(a) Cotton (b) Sesamun (c) Coconut (d) Groundnut
96.Which of the following is an allopolyploid
(a)
B.nigra (b) B oleracea (c) B.campestris (d) B,juncea
97.Which of the following is the family with the superior ovary
(a)
Asteraceae (b) Musaceae (c) Leguminaceae (d) Compositaceae
98.Magnification power of the phase contrast compound microscope
(a)
1000 X (b) 2000 X (c) 1500 X (d) 4000 X
99.Loops and Puffs of polytene and Lambrush chromosome represents
(a)
Inverted region (b) Deleted region (c) Actively Transcripting
region
(d) Actively translating region
100. Strict anaerobic phase in biogas production is
(a)
Carboxylic phase (b) Hydrolytic phase (c) Acetogenic phase
(d)Methanogenic phase
101. The smallest virus among the following is
(a)
TSWV (b) TMV (c) TYMV (d) SV
102. Joined thread stage in Prophase I is
(a)Pachytene (b) Zygotene (c)
Leptotene (d) Diplotene
103.Which of the is not true about mutation
(a)
Mostly recessive (b) Non recurrent (c) Mostly lethal (d) Highly
random
104.Moisture content of the seed by the hot air oven method is given by
(a)
(Intial wt-final wt) / Final wt X 100 (b) (Final wt-initial wt) /
Initial wt X 100
(b)
(c) Wet wt / Dry wt X 100 (d) None of the above.
105. Seed certification involves ______ phases
(a)
4 (b) 2 (c) 5 (d) 8
106.Genetic material of Rice is (a) DNA (b) RNA (c) either a or b (d)
both a & b
107.Transforming principle in the Griffith experiment was
(a)
Protein (b) DNA (c) RNA (d) all of the above
108. Number of secondary trisomics possible for Sorghum is
(a)
10 (b) 5 (c) 20 (d) more than 20
109.Unit of the chromosome measurement is
(a)
m (b) m (c) m (d) m
110. All plant pathogenic bacteria is
(a)
Chemoheterotropic (b) Chemolithotropic (c) Autolithotropic
(d)Autoheterotrophic
111. Which of the disease is not seed transmissible
(a)
Potato spindle tuber (b) Bean mosaic (c) Tobacco ring spot (d)
Powdery scab
112.Spore balls are the characteristic feature of
(a)
Spacelotheca (b) Tolyposporium (c) Tellita (d) Neovassia
113. Example for the endemic disease
(a)
Wrat of Potato (b) Early Blight of Potato (c) Late blight of
Potato (d) Tea Rust
114.Fungi are not the result of disease in plants’ given by
(a)
T.J.Buril (b) Michelie (c) Anton De Bary (d) Kassainins
115.Anti nucleoprotenious glycopreotenous substance is
(a)
Antibody (b) Interferon (c) Antigen (d) Bacitarcin
116.Cull out the sexual spore
(a)
Arthospore (b) Uredospore
(c)
Sprongiospore (d) Ascospore
117.Sympodial branching is seen in the sporangiophore of
(a)
Pythium (b) Phytopthora (c) Albugo (d) Perenospora
118.Which of the following pathogen enters the host by mimicking the
germinating pollen
(a)
Downy mildew fungi (b) Rust fungi (c) Ergot fungi(d) Bunt
fungi
119.Find the correct order from 5’-3’
(a)
Repressor, Promotor, Operator
(b) Promotor, Operator,
Repressor
(b)
Operator, Promotor, Repressor (d)
Repressor, Promotor,
Operator
120. Normal chromosome differ from Isochromosome in having
(a)
Genetically similar arms (b) Genetically different arms (c)
either a or b (d) none
121.A phototroph can be differentiated from auxotroph very efficiently by
using
(a)
Northen blotting (b) Southern blotting (c) Replica plating
(d) DNA walking
122.The genetic maenas of controlling a possible wide spread disease by
realizing
different varities having resistance for different pathotype in a ideal
geological area
is known as
(a) Gene trapping
(b) Gene deployment (c) Gene pyramiding (d)
Gene release
123.Karyogamy takes place in
(a)
Pycniospore (b) Aceiospore (c) Basidiospore (d) Teliospore
124.The pasteurization temperature was established based on the killing
temperature of
(a)
Micobacterium tuberclosis (b) Bacillus anthracis (c) Coxiella
burnetli
(d)Clostrudium botulinium
125.Bt is effective against
1.Lepiidoptera 2.Homoptera 3.Diptera
4.Coleoptera
(a) 1,3,4 (b) 1,2 (c) 1,2,3,4 (d) 1 only
126.Rubber is chemically
(a) Monoterpene
(b) Alkaloid
(c) Polyterpene (d)
Phenolic
compound
127.Saffronin is extracted from
(a)
Pollinated style (b) Only from corolla (c) Stigma tip (d) all of
the above
128.Multigerm seed is found in
(a)
Cauliflower (b) Beetroot (c) Corn (d) Potato
129. ISTA head quarters is located in
(a)
Italy (b) Spain (c) Switzerland (d) Belgium
130.Korenberg enzyme is
(a) DNA Pol 3 (b) RNA Pol I (c) DNA Pol 1 (d)
All of the above
131.Centeral seed testing laboratory is located at
(a)
IARI (b) TNAU (c) UAS-B (d) G.B. Pant
132.Botling refers to _____ in Cole crops
(a) Fruiting (b) Rooting (c) Seeding (d) Flowering
133.Jhonson grass is a contaminant in ______ seed production
(a) Wheat (b) Sorghum (c) Bajra (d)
Rye
134.Hand sampling is dome for
(a)
Maize (b) Cotton (c) Castor (d) Ragi
135.Pollen shedder is Presence of
(a) A line in B line (b) B line in A line (c) A line in R line (d) R
line in A line
136.Genetic purity for Hybrid seed is in general
(a)
90 % (b) 99 % (c) 92% (d) 95%
137.Triplloid normally behaves as a sterile because
(a)
Irregular equational division (b) Formation of Tetravalent
(b)
Unavailability of the homologue to pairing (d) None of the
above
138.Quality of the breeder seed is inspected by
(a)
Seed certification officer (b) Seed inspector (c) Seed analyst
(d) Monitoring teams form various fields
139. Seed plot technique is followed for the seed production of
(a) Seed potato tuber (b) Onion bulb production (c) T\rue seed of
onion
(d) True seed of potato
140.Basic seed cleaning is done by
(a) Physically (b) Destoner
(c) Air screen cleaner (d)
Gravity
separator
141.Increase in the temperature generally ________ the relative humidity
(a) increases (b) decreases (c) does not affect (d) none of the above
142. IN Redgram _______ is used for hybrid seed production
(a) CMS (b) CGMS (c) GMS (d) All of the above
143.Paddy is a ________ crop
(a) Entamophilic (b) Anemophilic (c) Hydrophllic (d) all of the
above
144.Consider the following single strand of DNA and imagine its
complementary strand.
Which of them will require more Temperature for denaturation
(a) 5’ ATCTCTGATC3’ (b) 3’ GCTGCTCCAT 5’
5’ CTATATTAGT 3’ (d) 3’ATCTCTATCA 5’
(b)
145.In an organism the following base pairs are extracted, Infer from the
following
A =18%, B=305,C=22%, D=30%
1.The genetic material is RNA
2.The genetic material is DNA
3.It is either DNA or RNA
4.The molecule is double stranded
5. The molecule is single stranded
(a)
2,3 (b) 2,4 (c) 2,5 (d) 1,4
146.Wich of the following aminoacid is coded by maximum number
codans
(a)
Theronine (b) Valine (c) Proline (d) Leucine
147.Pencillin inhibits the microorganisms by affecting the ____formation
(a) Phospodiester formation (b) Transpeptide formation (c) Affecting
the cellulose synthesis (d) Affecting the binding of 30S and 50S
Ribosome
148.In hospital floor is wiped with a liquid containing antimicroorganic
substance,
this process is technically called as
(a) Sterilization (b) Cleaning (c) Disinfection (d) all of the above
149.
151.
(i) Synthetics
(ii) Pure line
(iii) Multiline
(Iv)Maize varieties
(v) Wheat varieties
(a) Heterozygous and Heterogeneous
(b)Homozygous and homogeneous
(c) Heterozygous and homogeneous
(d) Population
(e) Purelines
152.
(i)Preach fire blight
(a) Mango
(ii) Black leg
(b) Erwinia
(iii) Gummosis
(c) Erwinia
(iv) Turf leaf mistletoes
(d) TJ.Buril
(v) Sigatoka leaf spot
(e) Phytoptora
153.
(i) Gibberllic acid
Brevibacterium
(ii) Glutamic acid
niger
(iii) Citric acid
vearcea
(iv) Paint
moniliformis
(v) Cellulose
spp
154.
(a)
(b) Aspergillus
(c)Myrotheum
(d)Fusarium
(e) Pullulalaria
(i) Chemolithotrops
(ii) Photollithotrops
(iii) Wonogradsky
(iv) Brefeld
(v) Wehmer
(a) Streak plate method
(b) Nitrosomanas
(c) Chromantium
(d) Citric acid
(e) Enrichment culture
155.
(i) Tetrazolium test
(a) 1976
(ii) Grow out test
(b) Viablity
(iii) Germination test
(c) 1966
(iv) NSP
(d) Genetic purity
(v) Seed Act
(e) Vigour
156.
(i) Auto radiograph
(a) Edward B .lewis
(ii) Strutevent
(b) Carrins
(iii) Homeotic
mutants
(c) Coordinator of HGP
(iv) Watson
(d) Inborn errors in
metabolism
(e) Chromosomal map
(v) A.E. Garrod
157.
(i) Auxin
(a) Acetyl CoA
(ii) Gibberlins
(iii) Cytokinin
(b) 6-furfuryl amino
purine
(c) Tryptophan
(iv) ABA
(d) Methionine
(v) Ethylene
(e) Viloxanthin
158.
(i) Flax
(a) Life belts
(ii) Kapok
(b) Marconi wheat
(iii) Diploid
(c) Cocus nucifera
(iv) Tetraploid
(d) Old world cotton
(v) Mesocarp
(e) Bast fibre
159.
(i) Psueomonas
flurocenses
(a) Lack PS II
(ii) Azosprillum
(b) Soil borne pathogen
(iii) Heterocyst
(c) Chloroplast
(iv) NiR
(d) Cytoplasm
(v) NR
(e) G -ve
160.
(i) Michelie
(ii) Arthospore
(iii) Anton De Bary
(iv) M.K.Patel
(v) Zoospore
(a) Father of Plant Pathology
(b) Father of Indian
Phytopatholgy
(c) Sexual spore
(d)
(e) Father of Mycology