1. Artificial system of classification of plants was proposed by a
a. British botanist b. Swedish botanist
c. German botanist d. Indian botanist
2. Which of the following classification is a sexual system of classification?
a. Artificial system b. Natural system c. Phylogenetic system d. Natural selection
3. Genera plantarum of Bentham and Hooker was published in
a. a single volume b. two volumes
c. three volumes d. four volumes
4. In Bentham and Hooker classification of plants, the present day ‘orders’ were referred to by
them as a. series b. cohorts c. orders d. families
5. Plants having flowers with free petals are placed under
a. Monochlamydeae b. Monocotyledons c. Gamopetalae d. Polypetalae
6. Inferae includes
a. 6 orders and 34 families b. 4 orders and 23 families
c. 3 orders and 9 families d. 5 orders and 27 families
7.Thespesia populnea belongs to
a. Solanaceae b. Euphorbiaceae c. Malvaceae d. Musaceae
8. Malvaceae is placed in the series
a. Thalamiflorae b. Inferae c. Heteromerae d. Disciflorae
9. Anthers are monothecous in
a. Solanaceae b. Euphorbiaceae c. Malvaceae d. Musaceae
a. 10 - 20% b. 5 - 10% c. 3 - 5% d. 20 - 30%
39. In bacterial cell, there are more than _____ tRNAs
a. 200 b. 70 c. 300 d. 400
40. Restriction enzymes are synthesized by
a. bacteria only b. yeast and bacteria only
c. eukaryotic cells only d. all kinds of cells
41. Each restriction enzyme cleaves a molecule only at
a. the ends of genes b. methyl groups
a. British botanist b. Swedish botanist
c. German botanist d. Indian botanist
2. Which of the following classification is a sexual system of classification?
a. Artificial system b. Natural system c. Phylogenetic system d. Natural selection
3. Genera plantarum of Bentham and Hooker was published in
a. a single volume b. two volumes
c. three volumes d. four volumes
4. In Bentham and Hooker classification of plants, the present day ‘orders’ were referred to by
them as a. series b. cohorts c. orders d. families
5. Plants having flowers with free petals are placed under
a. Monochlamydeae b. Monocotyledons c. Gamopetalae d. Polypetalae
6. Inferae includes
a. 6 orders and 34 families b. 4 orders and 23 families
c. 3 orders and 9 families d. 5 orders and 27 families
7.Thespesia populnea belongs to
a. Solanaceae b. Euphorbiaceae c. Malvaceae d. Musaceae
8. Malvaceae is placed in the series
a. Thalamiflorae b. Inferae c. Heteromerae d. Disciflorae
9. Anthers are monothecous in
a. Solanaceae b. Euphorbiaceae c. Malvaceae d. Musaceae
10.Solanaceae is placed under
a. Malvales b. Polemoniales c. Unisexuales d. Ranales.
11. In which of the following plants the midrib and veins are found with yellowish spines
a. Solanum melongena b. Datura metal
c. Solanum xanthocarpum d. Petunia hybrid
12. Euphorbiaceae includes about
a. 82 genera. b. 90 genera c. 300 genera d. 254 genera.
13. Ricinus communisis a
a. herb b. shrub c. tree d. cladode.
14. The phyllotaxy in Musais
a. alternate b. opposite c. distichous d. spiral
15. In inflorescence in Ravenala madagascariensisis
a. compound cyme b. compound raceme c. branched spadix d. simple raceme
16. The change from meristematic tissue to permanent tissue is called
a. differentiation. b. self perpetuating c. photosynthesis. d. cell division.
17. The type of tissue presents in the petioles of banana and Canna, is
a. stellate parenchyma b. prosenchyma c. aerenchyma d. chlorenchyma.
18. The tissue generally present in all organs of plant is
a. parenchyma b. chlorenchyma c. collenchyma d. sclerenchyma
19. The lamellar collenchyma is seen in the hypodermis of
a. Datura b. Helianthus c. Ipomoea d. Nicotiana
20. The root hairs are produced from
a. rhizodermis b. trichomes c. accessory cells d. trichoblasts
21. The osteosclereids are seen in
a. seed coat of Crotalaria b. see coat of Pisum c. pulp of Pyrus d. petioles of banana
22. The casparian strips are found in the endodermis of
a. dicot stem b. dicot root c. monocot stem d. dicot leaf.
23. The passage cells are found in endodermis of
a. dicot stem b. monocot stem c. dicot root d. dicot leaf.
24. The polyarch condition is found in
a. monocot leaf b. dicot leaf c. dicot stem d. monocot root
25. The inner most layer of the cortex is
a. epidermis b. hypodermis c. endodermis d. pericycle.
26. The vascular bundle with protoxylem facing centre of the stem is
a. exarch b. endarch c. tetrarch d. polyarch
27. When the xylem and the phloem lie in the same radius, the vascular bundle is called
a. conjoint b. radial c. open d. closed.
28. The vascular bundles are skull shaped in
a. dicot root b. monocot root c. dicot stem d. monocot stem.
29. The protoxylem lacuna is present in the vascular bundles of
a. dicot root b. monocot root c. dicot stem d. monocot stem.
30.Isobilateral leaf is present in
a. grass b. Cucurbita c. sunflower d. bean
31. The vascular bundle in the leaf is
a. collateral and open b. collateral and closed.
c. bicollateral and open d. collateral and exarch
32.Who had first proved that the genes are carried by the chromosome?
a. Bridges b.Waldeyer c. Balbiani d. Flemming
33.Recombination of chromosome takes place in _____ stage of prophase I of meiosis.
a. leptotene b. zygotene c. pachytene d. diplotene
34. Biochemical mutants of _____ failed to synthesize certain amino acids.
a. Sorghum b. Neurospora c. Cicer arietinum d. Cicer gigas
35. The gametes of Drosophila melanogaster carry
a. three chromosomes b. four chromosomes
c. seven chromosomes d. eight chromosomes
36. Nullisomy is represented by
a. 2n - 1 b. 2n + 1 c. 2n + 2 d. 2n - 2.
37. Double helix DNA model was proposed by _____
a. Watson and Crick b. O.T. Avery et al. c. Griffith d. Stinberg
a. Malvales b. Polemoniales c. Unisexuales d. Ranales.
11. In which of the following plants the midrib and veins are found with yellowish spines
a. Solanum melongena b. Datura metal
c. Solanum xanthocarpum d. Petunia hybrid
12. Euphorbiaceae includes about
a. 82 genera. b. 90 genera c. 300 genera d. 254 genera.
13. Ricinus communisis a
a. herb b. shrub c. tree d. cladode.
14. The phyllotaxy in Musais
a. alternate b. opposite c. distichous d. spiral
15. In inflorescence in Ravenala madagascariensisis
a. compound cyme b. compound raceme c. branched spadix d. simple raceme
16. The change from meristematic tissue to permanent tissue is called
a. differentiation. b. self perpetuating c. photosynthesis. d. cell division.
17. The type of tissue presents in the petioles of banana and Canna, is
a. stellate parenchyma b. prosenchyma c. aerenchyma d. chlorenchyma.
18. The tissue generally present in all organs of plant is
a. parenchyma b. chlorenchyma c. collenchyma d. sclerenchyma
19. The lamellar collenchyma is seen in the hypodermis of
a. Datura b. Helianthus c. Ipomoea d. Nicotiana
20. The root hairs are produced from
a. rhizodermis b. trichomes c. accessory cells d. trichoblasts
21. The osteosclereids are seen in
a. seed coat of Crotalaria b. see coat of Pisum c. pulp of Pyrus d. petioles of banana
22. The casparian strips are found in the endodermis of
a. dicot stem b. dicot root c. monocot stem d. dicot leaf.
23. The passage cells are found in endodermis of
a. dicot stem b. monocot stem c. dicot root d. dicot leaf.
24. The polyarch condition is found in
a. monocot leaf b. dicot leaf c. dicot stem d. monocot root
25. The inner most layer of the cortex is
a. epidermis b. hypodermis c. endodermis d. pericycle.
26. The vascular bundle with protoxylem facing centre of the stem is
a. exarch b. endarch c. tetrarch d. polyarch
27. When the xylem and the phloem lie in the same radius, the vascular bundle is called
a. conjoint b. radial c. open d. closed.
28. The vascular bundles are skull shaped in
a. dicot root b. monocot root c. dicot stem d. monocot stem.
29. The protoxylem lacuna is present in the vascular bundles of
a. dicot root b. monocot root c. dicot stem d. monocot stem.
30.Isobilateral leaf is present in
a. grass b. Cucurbita c. sunflower d. bean
31. The vascular bundle in the leaf is
a. collateral and open b. collateral and closed.
c. bicollateral and open d. collateral and exarch
32.Who had first proved that the genes are carried by the chromosome?
a. Bridges b.Waldeyer c. Balbiani d. Flemming
33.Recombination of chromosome takes place in _____ stage of prophase I of meiosis.
a. leptotene b. zygotene c. pachytene d. diplotene
34. Biochemical mutants of _____ failed to synthesize certain amino acids.
a. Sorghum b. Neurospora c. Cicer arietinum d. Cicer gigas
35. The gametes of Drosophila melanogaster carry
a. three chromosomes b. four chromosomes
c. seven chromosomes d. eight chromosomes
36. Nullisomy is represented by
a. 2n - 1 b. 2n + 1 c. 2n + 2 d. 2n - 2.
37. Double helix DNA model was proposed by _____
a. Watson and Crick b. O.T. Avery et al. c. Griffith d. Stinberg
38. mRNA is about _____ of the RNA content of the cell
a. 10 - 20% b. 5 - 10% c. 3 - 5% d. 20 - 30%
39. In bacterial cell, there are more than _____ tRNAs
a. 200 b. 70 c. 300 d. 400
40. Restriction enzymes are synthesized by
a. bacteria only b. yeast and bacteria only
c. eukaryotic cells only d. all kinds of cells
41. Each restriction enzyme cleaves a molecule only at
a. the ends of genes b. methyl groups
c. nucleotide sequence d. the time of DNA replication
42. The number of transgenic plants available to-day is approximately
a. Six b. two c. twelve d. fifty
43. The function of cytokinin is to increase
a. cell elongation b. fruit initiation c. cell division d. differentiation
44. By the application of tissue culture, one important product is formed
a. artificial synthetic seeds b. many seeded fruit
c. triploid endosperm d. induction of flowers.
45. The two protoplasts are fused with a fusogen called
a. polyethylene glycol (PEG) b. Polyvinyl chloride (PVC)
c. Polyethane glycol (PEG) d. Phosphoric ethane
46. Somatic hybrids are produced through
a. asexual fusion b. protoplasmic fusion c. vegetative propagation d. grafting
47.Photosynthesis takes place in
a. mitochondria b. peroxisomes c. chloroplasts d. ribosomes
48. During cyclic electron transport, which one of the following is produced
a. NADPH 2 only b. ATP only c. NADH 2 only d. both ATP and NADPH2
49. Which one of the following is a five carbon compound?
a. fructose b. erythrose c. ribose d. DHAP
50. Which one of the following is a C4plant?
a. rice b. wheat c. sugarcane d. potato
51. The essential component for the formation of chlorophyll
a. Mg b. Fe c. Cl d. Mn
52. The pigment which is highly efficient in absorbing solar energy is
a. phycobilins b. chlorophyll c. carotinoids d. xanthophyll
53. Which of the following bacterium oxidizes ammonia to nitrate
a. Nitrosomonas b. Rhizobium c. Closteridium d. E. coli
54. Which of the following is a total parasite
a. Cuscuta b. Viscum c. Drosera d. Monotropa
55. Which of the following wavelengths of light is most effective for photosynthesis
a. 100 nm to 200 nm b. 200 nm to 300 nm
c. 400 nm to 700 nm d. 700 nm to 900 nm
56. Dark respiration is the function of
a. peroxisomes b. mitochondria c. chloroplast d. ribosomes
57. The gas evolved during photosynthesis is
a. carbondioxide b. nitrogen c. hydrogen d. oxygen
58. Which of the following is a 5C compound?
a. Glucose b. Fructose c. Phosphoglyceric acid d. RuBP
59. In C3plants light reactions and dark reactions occur in
a. bundle sheath cells b. mesophyll cells c. epidermal cells d. vascular cells.
60. Which of the following are not accessory pigments?
a. Phycobilins b. Chlorophylls c. Carotenoids d. Xanthophylls
61. The photosynthetic pigments are located in
a. Cristae b. Cisternae c. Thylakoid d. Stroma
62. Complete oxidation of one molecule of glucose yields
a. 38 ATP b. 36 ATP c. 35 ATP d. 2 ATP
63. Oxidative decarboxylation of pyruvic acid is catalysed by
a.pyruvic dehydrogenase b. pyruvic kinase
c.pyruvic mutase d. pyruvic isomerase
64. Respiratory quotient of glucose is
a. zero b. unity c. more than one d. less than one
65. Bakanae disease in paddy is caused by
a. abscissic acid b. phenyl acetic acid c naphthelene acetic acid d. gibberellic acid
66. In sigmoid curve the rapid growth phase is designated as
a. lag phase b. log phase c. dormant phase d. steady state phate
67. Auxin prevents
a. apical dominance b. ageing process c. parthinocarpy d. abscission.
68. Photoperiodic response in flowering was first observed in
a. wheat b. Maryland Mammoth c. Oats d. Chrysanthemum.
69. Which pathogen causes the blast disease of rice?
a. Cercospora personata b. Pyricularia oryzae
c. Xanthomonas citri d. Tungro virus
70. What is the collateral host plant of Pyricularia oryzae?
a.Oryza sativa b. Digitaria marginata
c. Arachis hypogea d. Citrus plant
71. Which pathogen causes Tikka disease of groundnut?
a. Cercospora personata b. Pyricularia oryzae
c. Xanthomonas citri d. Tungro virus
72. Acalyphine is extracted from
a. Acalypha indica b. Aegle marmelos
c. Cissus quadrangularis d. Mimosa pudica
73. Binomial of ‘vilvum’ is
a. Acalypha indica b. Aegle marmelos
c. Cissus quadrangularis d. Mimosa pudica
74. Which of the following is a long day plant?
a. tobacco b. sunflower c. maize d. wheat.
75. Which of the following is a short day plant?
a. wheat b. tobacco c. sunflower d. maize.
42. The number of transgenic plants available to-day is approximately
a. Six b. two c. twelve d. fifty
43. The function of cytokinin is to increase
a. cell elongation b. fruit initiation c. cell division d. differentiation
44. By the application of tissue culture, one important product is formed
a. artificial synthetic seeds b. many seeded fruit
c. triploid endosperm d. induction of flowers.
45. The two protoplasts are fused with a fusogen called
a. polyethylene glycol (PEG) b. Polyvinyl chloride (PVC)
c. Polyethane glycol (PEG) d. Phosphoric ethane
46. Somatic hybrids are produced through
a. asexual fusion b. protoplasmic fusion c. vegetative propagation d. grafting
47.Photosynthesis takes place in
a. mitochondria b. peroxisomes c. chloroplasts d. ribosomes
48. During cyclic electron transport, which one of the following is produced
a. NADPH 2 only b. ATP only c. NADH 2 only d. both ATP and NADPH2
49. Which one of the following is a five carbon compound?
a. fructose b. erythrose c. ribose d. DHAP
50. Which one of the following is a C4plant?
a. rice b. wheat c. sugarcane d. potato
51. The essential component for the formation of chlorophyll
a. Mg b. Fe c. Cl d. Mn
52. The pigment which is highly efficient in absorbing solar energy is
a. phycobilins b. chlorophyll c. carotinoids d. xanthophyll
53. Which of the following bacterium oxidizes ammonia to nitrate
a. Nitrosomonas b. Rhizobium c. Closteridium d. E. coli
54. Which of the following is a total parasite
a. Cuscuta b. Viscum c. Drosera d. Monotropa
55. Which of the following wavelengths of light is most effective for photosynthesis
a. 100 nm to 200 nm b. 200 nm to 300 nm
c. 400 nm to 700 nm d. 700 nm to 900 nm
56. Dark respiration is the function of
a. peroxisomes b. mitochondria c. chloroplast d. ribosomes
57. The gas evolved during photosynthesis is
a. carbondioxide b. nitrogen c. hydrogen d. oxygen
58. Which of the following is a 5C compound?
a. Glucose b. Fructose c. Phosphoglyceric acid d. RuBP
59. In C3plants light reactions and dark reactions occur in
a. bundle sheath cells b. mesophyll cells c. epidermal cells d. vascular cells.
60. Which of the following are not accessory pigments?
a. Phycobilins b. Chlorophylls c. Carotenoids d. Xanthophylls
61. The photosynthetic pigments are located in
a. Cristae b. Cisternae c. Thylakoid d. Stroma
62. Complete oxidation of one molecule of glucose yields
a. 38 ATP b. 36 ATP c. 35 ATP d. 2 ATP
63. Oxidative decarboxylation of pyruvic acid is catalysed by
a.pyruvic dehydrogenase b. pyruvic kinase
c.pyruvic mutase d. pyruvic isomerase
64. Respiratory quotient of glucose is
a. zero b. unity c. more than one d. less than one
65. Bakanae disease in paddy is caused by
a. abscissic acid b. phenyl acetic acid c naphthelene acetic acid d. gibberellic acid
66. In sigmoid curve the rapid growth phase is designated as
a. lag phase b. log phase c. dormant phase d. steady state phate
67. Auxin prevents
a. apical dominance b. ageing process c. parthinocarpy d. abscission.
68. Photoperiodic response in flowering was first observed in
a. wheat b. Maryland Mammoth c. Oats d. Chrysanthemum.
69. Which pathogen causes the blast disease of rice?
a. Cercospora personata b. Pyricularia oryzae
c. Xanthomonas citri d. Tungro virus
70. What is the collateral host plant of Pyricularia oryzae?
a.Oryza sativa b. Digitaria marginata
c. Arachis hypogea d. Citrus plant
71. Which pathogen causes Tikka disease of groundnut?
a. Cercospora personata b. Pyricularia oryzae
c. Xanthomonas citri d. Tungro virus
72. Acalyphine is extracted from
a. Acalypha indica b. Aegle marmelos
c. Cissus quadrangularis d. Mimosa pudica
73. Binomial of ‘vilvum’ is
a. Acalypha indica b. Aegle marmelos
c. Cissus quadrangularis d. Mimosa pudica
74. Which of the following is a long day plant?
a. tobacco b. sunflower c. maize d. wheat.
75. Which of the following is a short day plant?
a. wheat b. tobacco c. sunflower d. maize.
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