BOTANY- PAGE 9
1 Oxidative deamination is the conversion of an amino
1) Group from and amino acid to a keto acid
2) Acid to a carboxylic acid plus ammonia
3) Acid to a keto acid plus ammonia
4) Group from an amino acid to a carboxylic acid
Answer: 3
2 Which of the following is not an essential amino acid?
1) Proline
2) Histidine
3) Leucine
4) Methionine
Answer: 1
3 Which type of bonding is responsible for secondary structure of protein?
1) Disulphide bridges between cystein residues
2) Hydrogen bonding between C=O and NH groups of peptide bond
3) Peptide bonds between amino acids
4) Salt bridges between amino acids
Answer: 2
4 Plants can absorb directly one of the following for nitrogen
1) Ammonical nitrogen
2) Atmospheric nitrogen
3) Nitrous oxide
4) Nitric acid
Answer: 1
5 In protein synthesis of eukaryotic organisms the initiation of polypeptide begins with an amino acid and the
polypeptide synthesis terminates with some specific codons of genetic code. These are
1) Methionine and AUG, UAA and UGG
2) Methionine and UAA, UAG and UGA
3) Methionine and UUA, AAU and GAU
4) Methylalanine and UAG, UGA and UAA
Answer: 2
6 One of the following is intracellular receptors for signal transduction
1) Cytokinine and cyclic AMP
2) G proteins and Ca++
3) Vitamins and Retinoids
4) Porins and Labda receptors
Answer: 3
7 G- proteins are present
1) In cytoplasm
2) In nuclear membrane
3) On inner surface of plasma membrane
4) On outer surface of plasma membrane
Answer: 3
8 The contact of interferon with its receptor on cell surface activates
1) DNA replication
2) Translation factor
3) Second messenger
4) Transcription factor
Answer: 4
9 The scientist who received Nobel Prize for the discovery of GProteins
1) Alfred Gilman and Martin Rodbel
2) Bruce A.Bentler and Jullers A. Hoffman
3) Barbara McClintock
4) Richard J. Roberts and Phillip A. Sharp
Answer: 1
10 Ribulose-bis-phosphate carboxylase is a dual activity enzyme because it acts both as
1) Carboxylase and Kinase
2) Carboxylase and Dehydrogenase
3) Carboxylase and Oxygenase
4) Carboxylase and Phosphatase
Answer: 3
11 Krebs Cycle is also known as
1) C4 cycle
2) TCA cycle
3) Citric Acid cycle
4) Both TCA cycle and Citric Acid cycle
Answer: 4
12 The efficiency of respiration in terms of energy produced by one glucose molecule is approximately
1) 76%
2) 60%
3) 40%
4) 56%
Answer: 3
13 The respiratory quotient of any sustrate depends upon
1) O2 Used
2) CO2 released
3) O2 Used and CO2 released
4) None of these
Answer: 3
14 Oxygen induced inhibition of carbohydrate breakdown is known as
1) Pasteur effect
2) Photo inhibition
3) Photorespiration
4) Aerobic respiration
Answer: 1
15 According to Chemiostic theory of ATP synthesis proposed by Peter Mitchell, how many ATPs are formed per
pair of protons traversing across the membrane during oxidative phosphorylation?
1) Two
2) One
3) Three
4) Four
Answer: 2
16 Under limiting conditions of Oxygen the NADH and pyruvate begin to accumulate. What will happen under these condition?
1) Pyruvate will concert back to glucose
2) Ethanol will be formed
3) Lactic acid will be formed
4) Both Ethanol and Lactic acid will be formed
Answer: 4
17 Photosynthetically Active Radiations (PAR) fall in the range of
1) 400-700 nm
2) 254-700 nm
3) 260- 560 nm
4) 600-700 nm
Answer: 1
18 Which of the following is not a plant growth regulator?
1) Morphactin
2) Putrescine
3) Strigolactones
4) Rishitin
Answer: 4
19 Which of the following is not a naturally occuring Cytokinins ?
1) Benzyladenine
2) Zeatine
3) Dihydrozeatin
4) Isopentanyl adenine
Answer: 1
20 The precursor of auxin biosynthesis is
1) Phenylalanine
2) Glycine
3) Tryptophan
4) Methionin
Answer: 3
21 Which of the following auxins is synthetic?
1) 1AA
2) 1BA
3) NAA
4) PAA
Answer: 3
22 What is the maximum photosynthtic efficiency of crop plants when measured after absorption of photosynthetically active radiations?
1) 18%
2) 33%
3) 9%
4) 11%
Answer: 1
23 Which of the following is not a micrinutrient?
1) Molybdenum
2) Copper
3) Zinc
4) Magnesium
Answer: 4
24 A dicot plant was subjected to water stress in a laboratory experiment. The chemical analysis revealed degradation of carotenoids present in plastids and the degradation products prevented plant from water stress. What was that product?
1) Mavalonic acid
2) Violaxanthin
3) Proline
4) Abscisic acid
Answer: 4
25 The most active compound which caused seed dormancy in woody plants was named 'Dormin' who gave this name?
1) F.T. Adicott
2) P.F. Wareing
3) R.F.M. Van Steveninck
4) F.W. Went
Answer: 2
1) Group from and amino acid to a keto acid
2) Acid to a carboxylic acid plus ammonia
3) Acid to a keto acid plus ammonia
4) Group from an amino acid to a carboxylic acid
Answer: 3
2 Which of the following is not an essential amino acid?
1) Proline
2) Histidine
3) Leucine
4) Methionine
Answer: 1
3 Which type of bonding is responsible for secondary structure of protein?
1) Disulphide bridges between cystein residues
2) Hydrogen bonding between C=O and NH groups of peptide bond
3) Peptide bonds between amino acids
4) Salt bridges between amino acids
Answer: 2
4 Plants can absorb directly one of the following for nitrogen
1) Ammonical nitrogen
2) Atmospheric nitrogen
3) Nitrous oxide
4) Nitric acid
Answer: 1
5 In protein synthesis of eukaryotic organisms the initiation of polypeptide begins with an amino acid and the
polypeptide synthesis terminates with some specific codons of genetic code. These are
1) Methionine and AUG, UAA and UGG
2) Methionine and UAA, UAG and UGA
3) Methionine and UUA, AAU and GAU
4) Methylalanine and UAG, UGA and UAA
Answer: 2
6 One of the following is intracellular receptors for signal transduction
1) Cytokinine and cyclic AMP
2) G proteins and Ca++
3) Vitamins and Retinoids
4) Porins and Labda receptors
Answer: 3
7 G- proteins are present
1) In cytoplasm
2) In nuclear membrane
3) On inner surface of plasma membrane
4) On outer surface of plasma membrane
Answer: 3
8 The contact of interferon with its receptor on cell surface activates
1) DNA replication
2) Translation factor
3) Second messenger
4) Transcription factor
Answer: 4
9 The scientist who received Nobel Prize for the discovery of GProteins
1) Alfred Gilman and Martin Rodbel
2) Bruce A.Bentler and Jullers A. Hoffman
3) Barbara McClintock
4) Richard J. Roberts and Phillip A. Sharp
Answer: 1
10 Ribulose-bis-phosphate carboxylase is a dual activity enzyme because it acts both as
1) Carboxylase and Kinase
2) Carboxylase and Dehydrogenase
3) Carboxylase and Oxygenase
4) Carboxylase and Phosphatase
Answer: 3
11 Krebs Cycle is also known as
1) C4 cycle
2) TCA cycle
3) Citric Acid cycle
4) Both TCA cycle and Citric Acid cycle
Answer: 4
12 The efficiency of respiration in terms of energy produced by one glucose molecule is approximately
1) 76%
2) 60%
3) 40%
4) 56%
Answer: 3
13 The respiratory quotient of any sustrate depends upon
1) O2 Used
2) CO2 released
3) O2 Used and CO2 released
4) None of these
Answer: 3
14 Oxygen induced inhibition of carbohydrate breakdown is known as
1) Pasteur effect
2) Photo inhibition
3) Photorespiration
4) Aerobic respiration
Answer: 1
15 According to Chemiostic theory of ATP synthesis proposed by Peter Mitchell, how many ATPs are formed per
pair of protons traversing across the membrane during oxidative phosphorylation?
1) Two
2) One
3) Three
4) Four
Answer: 2
16 Under limiting conditions of Oxygen the NADH and pyruvate begin to accumulate. What will happen under these condition?
1) Pyruvate will concert back to glucose
2) Ethanol will be formed
3) Lactic acid will be formed
4) Both Ethanol and Lactic acid will be formed
Answer: 4
17 Photosynthetically Active Radiations (PAR) fall in the range of
1) 400-700 nm
2) 254-700 nm
3) 260- 560 nm
4) 600-700 nm
Answer: 1
18 Which of the following is not a plant growth regulator?
1) Morphactin
2) Putrescine
3) Strigolactones
4) Rishitin
Answer: 4
19 Which of the following is not a naturally occuring Cytokinins ?
1) Benzyladenine
2) Zeatine
3) Dihydrozeatin
4) Isopentanyl adenine
Answer: 1
20 The precursor of auxin biosynthesis is
1) Phenylalanine
2) Glycine
3) Tryptophan
4) Methionin
Answer: 3
21 Which of the following auxins is synthetic?
1) 1AA
2) 1BA
3) NAA
4) PAA
Answer: 3
22 What is the maximum photosynthtic efficiency of crop plants when measured after absorption of photosynthetically active radiations?
1) 18%
2) 33%
3) 9%
4) 11%
Answer: 1
23 Which of the following is not a micrinutrient?
1) Molybdenum
2) Copper
3) Zinc
4) Magnesium
Answer: 4
24 A dicot plant was subjected to water stress in a laboratory experiment. The chemical analysis revealed degradation of carotenoids present in plastids and the degradation products prevented plant from water stress. What was that product?
1) Mavalonic acid
2) Violaxanthin
3) Proline
4) Abscisic acid
Answer: 4
25 The most active compound which caused seed dormancy in woody plants was named 'Dormin' who gave this name?
1) F.T. Adicott
2) P.F. Wareing
3) R.F.M. Van Steveninck
4) F.W. Went
Answer: 2
26. Which term is specifically used for miniature succession of microorganisms ?
A:-Disclimax
B:-Subsere
C:-Cliamax
D:-Serule
Correct Answer:- Option-D
27. Smith (1933) used the following one term instead of conjugales in his algal classification.
A:-Euconjugatae
B:-Mougeotiaceae
C:-Desmoidiodeae
D:-Zygnematales
Correct Answer:- Option-D
28. Desikachary (1959) called single celled hormogones of blue green algae as
A:-Carpospores
B:-Statospores
C:-Paraspores
D:-Planococci
Correct Answer:- Option-D
29. A layer which helps in the opening of anther
A:-Tapetum
B:-Middle layer
C:-Epidermal cell
D:-Endothecium
Correct Answer:- Option-D
30. Which statement is not true for the mosses ?
A:-Sporophyte is dependent upon gametophyte
B:-Sporophytes grows by apical cell division
C:-Mosses are probably sister to the vascular plants
D:-Sperm produced in archegonia
Correct Answer:- Option-D
31. The soil best for plant is
A:-Fine sand
B:-Coarse sand
C:-Clay
D:-Loam soil
Correct Answer:- Option-D
32. The following one relationship lasts over time
A:-Mutalism
B:-Parasitism
C:-Commensalism
D:-Symbiosis
Correct Answer:- Option-D
33. Replication in DNA moves from
A:-3' to 5' direction
B:-5' to 5' direction
C:-3' to 3' direction
D:-5' to 3' direction
Correct Answer:- Option-D
34. Cot ½ of DNA is defined as
A:-The time taken to reanneal
B:-Concentration of DNA in a cell at any time
C:-Amount of cytosine bases in a single strand by DNA
D:-The initial concentration multiplied by time for half of DNA to reanneal
Correct Answer:- Option-D
35. An enzyme responsible for the synthesis of tRNA
A:-tRNA replicase
B:-tRNA synthetase
C:-Ribosomal enzymes
D:-RNA Polymerase
Correct Answer:- Option-D
36. Polytene chromosome is generated by
A:-DNA replication failure
B:-Homologus chromosome pairing
C:-Transcription process
D:-DNA replication without segregation
Correct Answer:- Option-D
37. The 'RNA world hypothesis' proposes that
A:-RNA formed from DNA
B:-RNA is a catalyst
C:-RNA formed from protein
D:-RNA is both catalyst and genetic material
Correct Answer:- Option-D
38. Which of the following structure is not surrounded by one or more membrane ?
A:-Chloroplast
B:-Mitochondria
C:-Proxisome
D:-Ribosome
Correct Answer:- Option-D
39. Choose the more appropriate term for 'Connexin' protein
A:-Desmosomes
B:-Intercellular spaces
C:-Tight junctions
D:-Gap junctions
Correct Answer:- Option-D
40. Water in non-cyclic photophosphorylation is used for
A:-Excitation of chlorophyll
B:-Hydrolysis of ATP
C:-Oxidization of NADPH
D:-Reduction of chlorophyll
Correct Answer:- Option-D
41. The genetic sex of a human being is determined by
A:-X and Y chromosome, the male being XX
B:-The Y chromosome
C:-Z and W chromosome, the male being ZZ
D:-The number of X chromosome, the male being XO
Correct Answer:- Option-B
42. The sum total of proteins produced by an organism.
A:-Metablomics
B:-Proteome
C:-Genomics
D:-All of these
Correct Answer:- Option-B
43. The term 'Pharming' refers to
A:-Genetically modified foods from plants
B:-Drug synthesis from transgenic plants
C:-Recombinant drugs from bacteria
D:-Transgenic research by animals
Correct Answer:- Option-B
44. What type of mating generally seen in the plant 'Primroses' ?
A:-Random mating
B:-Both Non-random mating and self fertilization
C:-Non-random mating
D:-Self fertilization
Correct Answer:- Option-B
45. Which of the following is not essential for a population at Hardy-Weinberg equilibrium ?
A:-No migration between populations
B:-Multiple alleles at every locus
C:-No involvement of natural selection on the alleles
D:-Random mating
Correct Answer:- Option-B
46. "Amborella'.
A:-The first flowering plant
B:-Sister group of all living angiosperms
C:-The first gymnosperm clade
D:-Eudicot
Correct Answer:- Option-B
47. Atropine is obtained from the plant
A:-Pacific yew
B:-Belladona
C:-Priwinkle
D:-Foxglove
Correct Answer:- Option-B
48. The only fungi with flagella
A:-Microsporidia
B:-Chytrids
C:-Zygomycota
D:-Dikarya
Correct Answer:- Option-B
49. Reproductive structures bear one or more green cells surrounded by fungal hyphae
A:-Basidiospore
B:-Soredia
C:-Conidia
D:-Ascospore
Correct Answer:- Option-B
50. Pseudomonas tobaci which produces the toxin when it affects the tobacco plant
A:-Victorin
B:-Wild fire toxin
C:-Periconia toxin
D:-Piricularin
Correct Answer:- Option-B
51. When did the Government of India passed the 'Destructive Insects and Pests Act' ?
A:-1947
B:-1914
C:-1952
D:-1925
Correct Answer:- Option-B
52. The fungus Pestalotia palmarum belongs to the group
A:-Ascomycetes
B:-Deuteromycetes
C:-Zygomycetes
D:-Basiodiomycetes
Correct Answer:- Option-B
53. The concept of in vitro cell culture was developed by
A:-Kotte and Robins
B:-Haberlandt
C:-Hanning
D:-Knop
Correct Answer:- Option-B
54. The embryo formed by unfertilized egg
A:-Androgenic embryos
B:-Parthenogenetic embryos
C:-Somatic embryos
D:-Adventive embryos
Correct Answer:- Option-B
55. The first report of forming haploid embryos from Datura by in vitro was published
A:-Nitsch
B:-Guha and Maheswary
C:-Maheswary
D:-Bourgin and Nitsch
Correct Answer:- Option-B
56. Ajmalacine, serpentine, reserpine obtained from
A:-Aster group
B:-Rauwolfia group
C:-Liliaceae group
D:-Euphorbia group
Correct Answer:- Option-B
57. National Orchidaria situated at
A:-Calcutta
B:-Shillong
C:-Calicut
D:-Palode
Correct Answer:- Option-B
58. Tree of `21^(st)``` century
A:-Rubber
B:-Neem
C:-Orchid
D:-Anthurium
Correct Answer:- Option-B
59. Triticum dicoccum is commonly known as
A:-Emmer wheat
B:-Club wheat
C:-Elinkorn wheat
D:-Durum wheat
Correct Answer:- Option-A
60. The fruit of abelmoschus esculentus
A:-Loculisidal capsule
B:-Capsule
C:-Berry
D:-Hesperidium
Correct Answer:- Option-A
61. Terpenoids have been extensively used in the chemotaxonomy of
A:-Citrus plants
B:-Horedum plants
C:-Papaver plants
D:-Strychnos plants
Correct Answer:- Option-A
62. The highest chromosome number in Ophioglossum reticulatum
A:-2n = 1260
B:-2n = 1206
C:-2n = 1026
D:-2n = 1620
Correct Answer:- Option-A
63. A pendulous type of inflorescence
A:-Catkin
B:-Head
C:-Spike
D:-Umbel
Correct Answer:- Option-A
64. Sewall Wright effect refers to random fluctuations in the gene frequencies in
A:-Small population
B:-Large population
C:-Ecosystem
D:-None of these
Correct Answer:- Option-A
65. The Central Tuber Crops Research Institute located
A:-Trivandrum
B:-Kasargode
C:-Coimbatore
D:-Simla
Correct Answer:- Option-A
66. A nodal organization in India to coordinate all the activities related to plant collection, introduction, documentation and sustainable management of germplasm.
A:-NBPGR
B:-IARI
C:-ICRISAT
D:-IBPGR
Correct Answer:- Option-A
67. In which category the chemical mutagen, 2-amino purine includes
A:-Base analogues
B:-Alkylating agents
C:-Acridine dyes
D:-Other agents
Correct Answer:- Option-A
68. What is LD 50 ?
A:-Mutagen kills 50% treated materials
B:-Mutagen kills 50% un-treated materials
C:-Low dose of 50% chemicals
D:-Low dose of semi mutagen
Correct Answer:- Option-A
69. The codons which collectively code for the same amino acid
A:-Synonymous codons or Degenerate codons
B:-Initiation codons
C:-Termination codons
D:-Triplet codons
Correct Answer:- Option-A
70. A mother of blood group O has a child of O group. The father could be
A:-A or B or O
B:-O only
C:-A or B
D:-AB only
Correct Answer:- Option-A
71. How many genetically different gametes can be made by an individual genotype AaBbccDDEe ?
A:-8
B:-10
C:-32
D:-5
Correct Answer:- Option-A
72. Cite an example of non-allelic interaction
A:-Complementary gene action
B:-Multiple allelism
C:-Co-dominance
D:-Incomplete dominance
Correct Answer:- Option-A
73. Polymerase chain reaction involves
A:-Denaturation, annealing and polymerisation
B:-Polymerisation and denaturation
C:-Extension and annealing
D:-None of these
Correct Answer:- Option-A
74. If the respiratory substrate is fat and oil, what will be the R.Q. ?
A:-0.7
B:-1.7
C:-1.0
D:-infinite
Correct Answer:- Option-A
75. Biosynthesis of Ethylene from
A:-Methionine
B:-Mevalonic acid
C:-Tryptophan
D:-Cysteine
Correct Answer:- Option-A
76. A programme to identify complete gene structures in genomic DNA
A:-SWISSPORT
B:-BLAST
C:-GENSCAN
D:-Phylip
Correct Answer:- Option-C
77. A mating is expected to produce 50% heterozygotes and homozygotes is
A:-BB`xx` Bb
B:-Bb`xx` Bb
C:-Both 1) and 2)
D:-bb`xx` bb
Correct Answer:- Option-C
78. How many triplet codons can be made from four nucleotides A, U, G and C containing one or more Uracils ?
A:-27/64
B:-17/64
C:-37/64
D:-47/64
Correct Answer:- Option-C
79. Given the antisense strand DNA codon 3'TAC5', the anticodon that pairs with corresponding mRNA codon could be
A:-3'CAT5'
B:-5'AUG3'
C:-3'UAC5'
D:-None of the above
Correct Answer:- Option-C
80. Super bug is a
A:-Transgenic plant
B:-Transgenic insect
C:-Bacterium
D:-Virus
Correct Answer:- Option-C
81. Which of the following is a cloning vector ?
A:-Cosmid
B:-Phasmid
C:-Plasmid
D:-All of these
Correct Answer:- Option-D
82. The following one sclerids is found in the seed coats of Pisum sativum
A:-Astrosclerids
B:-Brachysclerids
C:-Osteosclerids
D:-Trichosclerids
Correct Answer:- Option-C
83. Haematoxylin belongs to which category ?
A:-Acidic stains
B:-Neutral stains
C:-Basic stains
D:-All of these
Correct Answer:- Option-C
84. DPX stands for
A:-Dilute Primary Xylol
B:-Distrene Prime Xylene
C:-Distrene Plasticizer Xylene
D:-Dilute Plastic Xylol
Correct Answer:- Option-C
85. Secondary cortex is
A:-Phellogen
B:-Phellum
C:-Phelloderm
D:-Complementary cells
Correct Answer:- Option-C
86. A graph which containing frequencies in the form of vertical rectangles
A:-Frequency curve
B:-Frequency polygon
C:-Histogram
D:-Both 1) and 2)
Correct Answer:- Option-C
87. The first TEM was designed by
A:-Koehler
B:-Smith
C:-Knoll and Ruska
D:-Zeiss
Correct Answer:- Option-C
88. The pollen tube enters through the nucellus by a process
A:-Porogamy
B:-Chalazogamy
C:-Mesogamy
D:-Orthogamy
Correct Answer:- Option-C
A:-Disclimax
B:-Subsere
C:-Cliamax
D:-Serule
Correct Answer:- Option-D
27. Smith (1933) used the following one term instead of conjugales in his algal classification.
A:-Euconjugatae
B:-Mougeotiaceae
C:-Desmoidiodeae
D:-Zygnematales
Correct Answer:- Option-D
28. Desikachary (1959) called single celled hormogones of blue green algae as
A:-Carpospores
B:-Statospores
C:-Paraspores
D:-Planococci
Correct Answer:- Option-D
29. A layer which helps in the opening of anther
A:-Tapetum
B:-Middle layer
C:-Epidermal cell
D:-Endothecium
Correct Answer:- Option-D
30. Which statement is not true for the mosses ?
A:-Sporophyte is dependent upon gametophyte
B:-Sporophytes grows by apical cell division
C:-Mosses are probably sister to the vascular plants
D:-Sperm produced in archegonia
Correct Answer:- Option-D
31. The soil best for plant is
A:-Fine sand
B:-Coarse sand
C:-Clay
D:-Loam soil
Correct Answer:- Option-D
32. The following one relationship lasts over time
A:-Mutalism
B:-Parasitism
C:-Commensalism
D:-Symbiosis
Correct Answer:- Option-D
33. Replication in DNA moves from
A:-3' to 5' direction
B:-5' to 5' direction
C:-3' to 3' direction
D:-5' to 3' direction
Correct Answer:- Option-D
34. Cot ½ of DNA is defined as
A:-The time taken to reanneal
B:-Concentration of DNA in a cell at any time
C:-Amount of cytosine bases in a single strand by DNA
D:-The initial concentration multiplied by time for half of DNA to reanneal
Correct Answer:- Option-D
35. An enzyme responsible for the synthesis of tRNA
A:-tRNA replicase
B:-tRNA synthetase
C:-Ribosomal enzymes
D:-RNA Polymerase
Correct Answer:- Option-D
36. Polytene chromosome is generated by
A:-DNA replication failure
B:-Homologus chromosome pairing
C:-Transcription process
D:-DNA replication without segregation
Correct Answer:- Option-D
37. The 'RNA world hypothesis' proposes that
A:-RNA formed from DNA
B:-RNA is a catalyst
C:-RNA formed from protein
D:-RNA is both catalyst and genetic material
Correct Answer:- Option-D
38. Which of the following structure is not surrounded by one or more membrane ?
A:-Chloroplast
B:-Mitochondria
C:-Proxisome
D:-Ribosome
Correct Answer:- Option-D
39. Choose the more appropriate term for 'Connexin' protein
A:-Desmosomes
B:-Intercellular spaces
C:-Tight junctions
D:-Gap junctions
Correct Answer:- Option-D
40. Water in non-cyclic photophosphorylation is used for
A:-Excitation of chlorophyll
B:-Hydrolysis of ATP
C:-Oxidization of NADPH
D:-Reduction of chlorophyll
Correct Answer:- Option-D
41. The genetic sex of a human being is determined by
A:-X and Y chromosome, the male being XX
B:-The Y chromosome
C:-Z and W chromosome, the male being ZZ
D:-The number of X chromosome, the male being XO
Correct Answer:- Option-B
42. The sum total of proteins produced by an organism.
A:-Metablomics
B:-Proteome
C:-Genomics
D:-All of these
Correct Answer:- Option-B
43. The term 'Pharming' refers to
A:-Genetically modified foods from plants
B:-Drug synthesis from transgenic plants
C:-Recombinant drugs from bacteria
D:-Transgenic research by animals
Correct Answer:- Option-B
44. What type of mating generally seen in the plant 'Primroses' ?
A:-Random mating
B:-Both Non-random mating and self fertilization
C:-Non-random mating
D:-Self fertilization
Correct Answer:- Option-B
45. Which of the following is not essential for a population at Hardy-Weinberg equilibrium ?
A:-No migration between populations
B:-Multiple alleles at every locus
C:-No involvement of natural selection on the alleles
D:-Random mating
Correct Answer:- Option-B
46. "Amborella'.
A:-The first flowering plant
B:-Sister group of all living angiosperms
C:-The first gymnosperm clade
D:-Eudicot
Correct Answer:- Option-B
47. Atropine is obtained from the plant
A:-Pacific yew
B:-Belladona
C:-Priwinkle
D:-Foxglove
Correct Answer:- Option-B
48. The only fungi with flagella
A:-Microsporidia
B:-Chytrids
C:-Zygomycota
D:-Dikarya
Correct Answer:- Option-B
49. Reproductive structures bear one or more green cells surrounded by fungal hyphae
A:-Basidiospore
B:-Soredia
C:-Conidia
D:-Ascospore
Correct Answer:- Option-B
50. Pseudomonas tobaci which produces the toxin when it affects the tobacco plant
A:-Victorin
B:-Wild fire toxin
C:-Periconia toxin
D:-Piricularin
Correct Answer:- Option-B
51. When did the Government of India passed the 'Destructive Insects and Pests Act' ?
A:-1947
B:-1914
C:-1952
D:-1925
Correct Answer:- Option-B
52. The fungus Pestalotia palmarum belongs to the group
A:-Ascomycetes
B:-Deuteromycetes
C:-Zygomycetes
D:-Basiodiomycetes
Correct Answer:- Option-B
53. The concept of in vitro cell culture was developed by
A:-Kotte and Robins
B:-Haberlandt
C:-Hanning
D:-Knop
Correct Answer:- Option-B
54. The embryo formed by unfertilized egg
A:-Androgenic embryos
B:-Parthenogenetic embryos
C:-Somatic embryos
D:-Adventive embryos
Correct Answer:- Option-B
55. The first report of forming haploid embryos from Datura by in vitro was published
A:-Nitsch
B:-Guha and Maheswary
C:-Maheswary
D:-Bourgin and Nitsch
Correct Answer:- Option-B
56. Ajmalacine, serpentine, reserpine obtained from
A:-Aster group
B:-Rauwolfia group
C:-Liliaceae group
D:-Euphorbia group
Correct Answer:- Option-B
57. National Orchidaria situated at
A:-Calcutta
B:-Shillong
C:-Calicut
D:-Palode
Correct Answer:- Option-B
58. Tree of `21^(st)``` century
A:-Rubber
B:-Neem
C:-Orchid
D:-Anthurium
Correct Answer:- Option-B
59. Triticum dicoccum is commonly known as
A:-Emmer wheat
B:-Club wheat
C:-Elinkorn wheat
D:-Durum wheat
Correct Answer:- Option-A
60. The fruit of abelmoschus esculentus
A:-Loculisidal capsule
B:-Capsule
C:-Berry
D:-Hesperidium
Correct Answer:- Option-A
61. Terpenoids have been extensively used in the chemotaxonomy of
A:-Citrus plants
B:-Horedum plants
C:-Papaver plants
D:-Strychnos plants
Correct Answer:- Option-A
62. The highest chromosome number in Ophioglossum reticulatum
A:-2n = 1260
B:-2n = 1206
C:-2n = 1026
D:-2n = 1620
Correct Answer:- Option-A
63. A pendulous type of inflorescence
A:-Catkin
B:-Head
C:-Spike
D:-Umbel
Correct Answer:- Option-A
64. Sewall Wright effect refers to random fluctuations in the gene frequencies in
A:-Small population
B:-Large population
C:-Ecosystem
D:-None of these
Correct Answer:- Option-A
65. The Central Tuber Crops Research Institute located
A:-Trivandrum
B:-Kasargode
C:-Coimbatore
D:-Simla
Correct Answer:- Option-A
66. A nodal organization in India to coordinate all the activities related to plant collection, introduction, documentation and sustainable management of germplasm.
A:-NBPGR
B:-IARI
C:-ICRISAT
D:-IBPGR
Correct Answer:- Option-A
67. In which category the chemical mutagen, 2-amino purine includes
A:-Base analogues
B:-Alkylating agents
C:-Acridine dyes
D:-Other agents
Correct Answer:- Option-A
68. What is LD 50 ?
A:-Mutagen kills 50% treated materials
B:-Mutagen kills 50% un-treated materials
C:-Low dose of 50% chemicals
D:-Low dose of semi mutagen
Correct Answer:- Option-A
69. The codons which collectively code for the same amino acid
A:-Synonymous codons or Degenerate codons
B:-Initiation codons
C:-Termination codons
D:-Triplet codons
Correct Answer:- Option-A
70. A mother of blood group O has a child of O group. The father could be
A:-A or B or O
B:-O only
C:-A or B
D:-AB only
Correct Answer:- Option-A
71. How many genetically different gametes can be made by an individual genotype AaBbccDDEe ?
A:-8
B:-10
C:-32
D:-5
Correct Answer:- Option-A
72. Cite an example of non-allelic interaction
A:-Complementary gene action
B:-Multiple allelism
C:-Co-dominance
D:-Incomplete dominance
Correct Answer:- Option-A
73. Polymerase chain reaction involves
A:-Denaturation, annealing and polymerisation
B:-Polymerisation and denaturation
C:-Extension and annealing
D:-None of these
Correct Answer:- Option-A
74. If the respiratory substrate is fat and oil, what will be the R.Q. ?
A:-0.7
B:-1.7
C:-1.0
D:-infinite
Correct Answer:- Option-A
75. Biosynthesis of Ethylene from
A:-Methionine
B:-Mevalonic acid
C:-Tryptophan
D:-Cysteine
Correct Answer:- Option-A
76. A programme to identify complete gene structures in genomic DNA
A:-SWISSPORT
B:-BLAST
C:-GENSCAN
D:-Phylip
Correct Answer:- Option-C
77. A mating is expected to produce 50% heterozygotes and homozygotes is
A:-BB`xx` Bb
B:-Bb`xx` Bb
C:-Both 1) and 2)
D:-bb`xx` bb
Correct Answer:- Option-C
78. How many triplet codons can be made from four nucleotides A, U, G and C containing one or more Uracils ?
A:-27/64
B:-17/64
C:-37/64
D:-47/64
Correct Answer:- Option-C
79. Given the antisense strand DNA codon 3'TAC5', the anticodon that pairs with corresponding mRNA codon could be
A:-3'CAT5'
B:-5'AUG3'
C:-3'UAC5'
D:-None of the above
Correct Answer:- Option-C
80. Super bug is a
A:-Transgenic plant
B:-Transgenic insect
C:-Bacterium
D:-Virus
Correct Answer:- Option-C
81. Which of the following is a cloning vector ?
A:-Cosmid
B:-Phasmid
C:-Plasmid
D:-All of these
Correct Answer:- Option-D
82. The following one sclerids is found in the seed coats of Pisum sativum
A:-Astrosclerids
B:-Brachysclerids
C:-Osteosclerids
D:-Trichosclerids
Correct Answer:- Option-C
83. Haematoxylin belongs to which category ?
A:-Acidic stains
B:-Neutral stains
C:-Basic stains
D:-All of these
Correct Answer:- Option-C
84. DPX stands for
A:-Dilute Primary Xylol
B:-Distrene Prime Xylene
C:-Distrene Plasticizer Xylene
D:-Dilute Plastic Xylol
Correct Answer:- Option-C
85. Secondary cortex is
A:-Phellogen
B:-Phellum
C:-Phelloderm
D:-Complementary cells
Correct Answer:- Option-C
86. A graph which containing frequencies in the form of vertical rectangles
A:-Frequency curve
B:-Frequency polygon
C:-Histogram
D:-Both 1) and 2)
Correct Answer:- Option-C
87. The first TEM was designed by
A:-Koehler
B:-Smith
C:-Knoll and Ruska
D:-Zeiss
Correct Answer:- Option-C
88. The pollen tube enters through the nucellus by a process
A:-Porogamy
B:-Chalazogamy
C:-Mesogamy
D:-Orthogamy
Correct Answer:- Option-C
89:-Which element is necessary for translocation of sugar in plants?
A:-iron
B:-boron
C:-manganese
D:-molybdenum
Ans: B
90:-An organism used as biofertilizer is
A:-azolla
B:-volvox
C:-ulothrix
D:-chlamydomonas
Ans: A
91:-Which of the following plant hormones is used as weedicide?
A:-IAA
B:-NAA
C:-Kinetin
D:-2,4-D
Ans: D
A:-iron
B:-boron
C:-manganese
D:-molybdenum
Ans: B
90:-An organism used as biofertilizer is
A:-azolla
B:-volvox
C:-ulothrix
D:-chlamydomonas
Ans: A
91:-Which of the following plant hormones is used as weedicide?
A:-IAA
B:-NAA
C:-Kinetin
D:-2,4-D
Ans: D