BOTANY- PAGE 2
1. C. J. Chamberlein classified Gymnosperms into two major groups on the basis of
(a). wood structure
(b). morphological and anatomical characteristics
(c). attachment of sex organs nature
(d). structure of seed attachment
Answer: morphological and anatomical characteristics
2. Select the plants that are believed to be existed during Devonian
(a). Diatoms and brown algae
(b). Chora and red algae
(c). Psilopsids and sphenopsids
(d). Cyanobacteria and bacteria.
Answer: Psilopsids and sphenopsids
3. Consider the following statements with respect to Pinus . Which of these statements is / are not true ?
(a). Winged Pollen grains.
(b). Number of cotyledons may be 2 — 16
(c).Polyembryony is common.
(d).Micropores are liberated at 3-celled stage.
Answer: Micropores are liberated at 3-celled stage.
4. If cell A has an O.P. of 25 atmosphere and T.P. of 15 atm and cell 13 has O.P. of 30 atmosphere and T.P. of 10 atm. then movement of water will occur from
(a). cell A to cell B
(b). Cell B to cell A
(c). Cell A to outer atmosphere
(d). Cell B to outer atmosphere.
Answer: cell A to cell B
5. Consider the following statements on the order Coniferales. Which of the above statements is not true ?
(a). Plants are usually long. branched. evergreen trees.
(b). The branches are dimorphic with long and dwarf shoots
(c). The wood is pycnoxylic
(d). The male gametes are mobile with numerous flagella.
Answer: The male gametes are mobile with numerous flagella.
6. Cohesive force of water is due to the presence of
(a). Hydrogen bonds between water molecules
(b). Covalent bonds between water molecules
(c). Hydrogen bonds bctwccn water and xylem cells
(d). Transpiration pull.
Answer: Hydrogen bonds between water molecules
7. Chemical nature of kinetin is
(a). 6-furfuryl amino purine
(b). 5-furfuryl amino purine
(c). 6-furfuryl amino pyrimidine
(d). 5-furfuryl amino pyrimidine.
Answer: 6-furfuryl amino purine
8. Which one of the following colours of light is effective in stomatal opening ?
(a). Red
(b). Blue
(c). Green.
(d). Far-red
Answer: Blue
9. Consider the following statements and select your answer according to the coding scheme given below
Assertion (A) : In plant cells due to excessive exosmosis, the cytoplasm along with the plasma membrane shrinks away from the cell wall which is known as plasmolysis.
Reason (R) : The membranes which allow only water but no solute particle to pass through them are known as semi-permeable membranes.
(a). Both (A) and (R) are true and (R) is the correct explanation of (A)
(b). Both (A) and (R) are true. but (R) is not the correct explanation of (A)
(c). (A) is true, but (R) is false
(d). (A) is false, but (R) is true.
Answer: Both (A) and (R) are true. but (R) is not the correct explanation of (A)
10. What are the grain eating birds known as ?
(a). Seed eaters
(b). Crop eaters
(c). Herbivores
(d). Gramnivores
Answer: Gramnivores
11. Forests, grasslands, deserts and artificial ecosystems are the best examples of which ecosystem ?
(a). Aqua tic ecosystem
(b). Wetland ecosystem
(c). Terrestrial ecosystem
(d). Crop land ecosystem.
Answer: Terrestrial ecosystem
12. The botanical name of coral vine is
(a). Quisqualis indica
(b). Bougainvillea sp
(c). Ipomea sp
(d). Antigonon leptopus.
Answer: Antigonon leptopus
13. At which age the seedlings of Mango. is used as rootstocks for grafting ?
(a). Six months — three years
(b). More than three years
(c). Less than six months
(d). One month — five months.
Answer: Six months — three years
14. 'Jaya' is a variety of
(a). Rice
(b). Maize
(c). Wheat
(d). Barley
Answer: Option-A
15. The most important alkaloid present in tobacco leaves is
(a). Reserpine
(b). Ephedrine
(c). Nicotine
(d). Atropine
Answer: Option-C
16. Wood of which tree is used for making cricket bats ?
(a). Tectona grandis
(b). Mangifera indica
(c). Cycas circinalis
(d). Salix purpurea
Answer: Option-D
17. Fluid mosaic model of plasma membrane was proposed by
(a). Watson and Crick
(b). Singer and Nicholson
(c). Lamarck and Darwin
(d). Bentham and Hooker
Answer: Option-B
18. which of the following plant hormone helps in fruit ripening?
(a). Auxin
(b). Cytokinin
(c). Ethylene
(d). Gibberellin
Answer: Option-C
19. Chlorophyll contains
(a). Mg
(b). Mn
(c). Fe
(d). Zn
Answer: Option-A
20. Which of the following is an insectivorous plant?
(a). Rafflasia
(b). Neem
(c). Nepenthus
(d). Cuscuta
Answer: Option-C
21. Normal pH of soil
(a). 3-4
(b). 6-7
(c). 8-9
(d). 10-12
Answer: Option-B
22. Mendelian dihybrid Phenotypic ratio
(a). 9:3:3:1
(b). 12:3:1
(c). 9:3:4
(d). 9:7
Answer: Option-A
23. Triple fusion is found in
(a). Gymnosperms
(b). Fungi
(c). Bryophytes
(d). Angiosperms
Answer: Option-D
24. The Golgi complex occurs in
(a). Fungi
(b). Bryophytes
(c). Pteridophytes
(d). Angiosperms.
Answer: Angiosperms.
25. The haploid set of the chromosome is known as
(a). Gene
(b) Ploidy
(c). Genome
(d). Phenotype.
Answer: Genome
(a). wood structure
(b). morphological and anatomical characteristics
(c). attachment of sex organs nature
(d). structure of seed attachment
Answer: morphological and anatomical characteristics
2. Select the plants that are believed to be existed during Devonian
(a). Diatoms and brown algae
(b). Chora and red algae
(c). Psilopsids and sphenopsids
(d). Cyanobacteria and bacteria.
Answer: Psilopsids and sphenopsids
3. Consider the following statements with respect to Pinus . Which of these statements is / are not true ?
(a). Winged Pollen grains.
(b). Number of cotyledons may be 2 — 16
(c).Polyembryony is common.
(d).Micropores are liberated at 3-celled stage.
Answer: Micropores are liberated at 3-celled stage.
4. If cell A has an O.P. of 25 atmosphere and T.P. of 15 atm and cell 13 has O.P. of 30 atmosphere and T.P. of 10 atm. then movement of water will occur from
(a). cell A to cell B
(b). Cell B to cell A
(c). Cell A to outer atmosphere
(d). Cell B to outer atmosphere.
Answer: cell A to cell B
5. Consider the following statements on the order Coniferales. Which of the above statements is not true ?
(a). Plants are usually long. branched. evergreen trees.
(b). The branches are dimorphic with long and dwarf shoots
(c). The wood is pycnoxylic
(d). The male gametes are mobile with numerous flagella.
Answer: The male gametes are mobile with numerous flagella.
6. Cohesive force of water is due to the presence of
(a). Hydrogen bonds between water molecules
(b). Covalent bonds between water molecules
(c). Hydrogen bonds bctwccn water and xylem cells
(d). Transpiration pull.
Answer: Hydrogen bonds between water molecules
7. Chemical nature of kinetin is
(a). 6-furfuryl amino purine
(b). 5-furfuryl amino purine
(c). 6-furfuryl amino pyrimidine
(d). 5-furfuryl amino pyrimidine.
Answer: 6-furfuryl amino purine
8. Which one of the following colours of light is effective in stomatal opening ?
(a). Red
(b). Blue
(c). Green.
(d). Far-red
Answer: Blue
9. Consider the following statements and select your answer according to the coding scheme given below
Assertion (A) : In plant cells due to excessive exosmosis, the cytoplasm along with the plasma membrane shrinks away from the cell wall which is known as plasmolysis.
Reason (R) : The membranes which allow only water but no solute particle to pass through them are known as semi-permeable membranes.
(a). Both (A) and (R) are true and (R) is the correct explanation of (A)
(b). Both (A) and (R) are true. but (R) is not the correct explanation of (A)
(c). (A) is true, but (R) is false
(d). (A) is false, but (R) is true.
Answer: Both (A) and (R) are true. but (R) is not the correct explanation of (A)
10. What are the grain eating birds known as ?
(a). Seed eaters
(b). Crop eaters
(c). Herbivores
(d). Gramnivores
Answer: Gramnivores
11. Forests, grasslands, deserts and artificial ecosystems are the best examples of which ecosystem ?
(a). Aqua tic ecosystem
(b). Wetland ecosystem
(c). Terrestrial ecosystem
(d). Crop land ecosystem.
Answer: Terrestrial ecosystem
12. The botanical name of coral vine is
(a). Quisqualis indica
(b). Bougainvillea sp
(c). Ipomea sp
(d). Antigonon leptopus.
Answer: Antigonon leptopus
13. At which age the seedlings of Mango. is used as rootstocks for grafting ?
(a). Six months — three years
(b). More than three years
(c). Less than six months
(d). One month — five months.
Answer: Six months — three years
14. 'Jaya' is a variety of
(a). Rice
(b). Maize
(c). Wheat
(d). Barley
Answer: Option-A
15. The most important alkaloid present in tobacco leaves is
(a). Reserpine
(b). Ephedrine
(c). Nicotine
(d). Atropine
Answer: Option-C
16. Wood of which tree is used for making cricket bats ?
(a). Tectona grandis
(b). Mangifera indica
(c). Cycas circinalis
(d). Salix purpurea
Answer: Option-D
17. Fluid mosaic model of plasma membrane was proposed by
(a). Watson and Crick
(b). Singer and Nicholson
(c). Lamarck and Darwin
(d). Bentham and Hooker
Answer: Option-B
18. which of the following plant hormone helps in fruit ripening?
(a). Auxin
(b). Cytokinin
(c). Ethylene
(d). Gibberellin
Answer: Option-C
19. Chlorophyll contains
(a). Mg
(b). Mn
(c). Fe
(d). Zn
Answer: Option-A
20. Which of the following is an insectivorous plant?
(a). Rafflasia
(b). Neem
(c). Nepenthus
(d). Cuscuta
Answer: Option-C
21. Normal pH of soil
(a). 3-4
(b). 6-7
(c). 8-9
(d). 10-12
Answer: Option-B
22. Mendelian dihybrid Phenotypic ratio
(a). 9:3:3:1
(b). 12:3:1
(c). 9:3:4
(d). 9:7
Answer: Option-A
23. Triple fusion is found in
(a). Gymnosperms
(b). Fungi
(c). Bryophytes
(d). Angiosperms
Answer: Option-D
24. The Golgi complex occurs in
(a). Fungi
(b). Bryophytes
(c). Pteridophytes
(d). Angiosperms.
Answer: Angiosperms.
25. The haploid set of the chromosome is known as
(a). Gene
(b) Ploidy
(c). Genome
(d). Phenotype.
Answer: Genome
26. What is the function of chlorenchyma?
(A) Photosynthesis
(B) Support
(C) Storage
(D) Conduction
Ans: A
27. Bundle cap is made up of
(A) Parenchyma
(B) Collenchyma
(C) Chlorenchyma
(D) Sclerenchyma
Ans: D
28. Match the following :
(a) Ilistogen theory 1. Schuepp
(b) Tunica corpus theory 2. Hanstein
(c) Korper kappe theory 3. Schmidt
(d) Three tissue system 4. Sachs
(a) (b) (c) (d)
(A) 2 3 4 1
(B) 2 3 1 4
(C) 3 2 1 4
(D) 2 4 3 1
Ans: B
29. 'Aerenchyma' is mostly found in
(A) Xerophytic plants
(B) Mesophytic plants
(C) Epiphytic plants
(D) Aquatic plants
Ans: D
30. 'Quiscent centre' is found in
(A) Root tip
(B) Leaf tip
(C) Flower tip
(D) Shoot tip
Ans: A
31. The vascular bundles in maize roots are
(A) Collateral and endarch
(B) Collateral and exarch
(C) Radial and endarch
(D) Radial and exarch
Ans: D
32. The companion cells are present in
(A) Bryophyta
(B) Pteridophyta
(C) Angiosperms
(D) Gymnosperms
Ans: C
33. The inner layer of exine of the pollen grain is called as
(A) Sexine
(B) Nexine
(C) Ectine
(D) Intine
Ans: B
34. Head inflorescence is found in
(A) Asteraceae
(B) Malvaceae
(C) Cruciferae
(D) Liliaceae
Ans: B
35. Bark is formed by the activity of
(A) Vascular cambium
(B) Phellogen
(C) Apical meristem
(D) Intercalary meristem
Ans: B
36. Trachieds are having
(A) Open ends
(B) Circular ends
(C) Flattened ends
(D) Tapering blunt ends
Ans: D
37.Match List I with List II and choo e the correct answer using the codes given below.
List I List II
(a) Rice 1. T41 , Tkm, C026
(b) Wheat 2. Coorg and Kents
(c) Sugarcane 3. Lermo Rojo, 271-1, 11- 8
(d) Coffee 4. B03 , COS561,C0224
(a) (b) (c) (d)
(A) 2 3 4 1
(B) 3 2 1 4
(C) 2 1 4 3
(D) 1 3 4 2
Ans: D
38. Consider the following statements.
Assertion (A) : Viruses differ from all other cellular forms of life.
Reason (R) Viruses contain either DNA (or) RNA.
Now select your answer according to the coding scheme given below.
J)if Both (A) and (R) are true (R) is the correct explanation of (A)
(B) Both (A) and (R) are true but (R) is not correct explanation of (A)
(C) (A) is false and (R) is true
(D) Both (A) and (R) are true
Ans: A
39. Citrus canker is a disease caused by
(A) a fungus
(B) an alga
(C) a lichen
(D) a bacterium
Ans: D
40. Which of the following is a bacterial disease?
(A) Measeles
(B) Chicken pox
(C) Syphilis
(D) AIDS
Ans: C
41. Which of the following diseases affects the nervous system?
(A) Rabies
(B) Pneumonia
(C) AIDS
(D) Jaundice
Ans: A
42. Which of the following is a viral disease of plants?
(A) Banana Bunchy top
(B) Blast ofrice
(C) Tikka disease of groundnut
(D) Red rot of sugarcane
Ans: A
43. Ti-plasmids are present in
(A) Cymbidium
(B) Dendrobium
(C) Agrobacterium
(D) All of these
Ans: C
44. The father of Plant Pathology is
(A) Stephen Hales
(B) Arnold
(C) Andrews
(D) Linnaeus
Ans: A
45. Tobacco mosaic virus is
(A) RNA virus
(B) DNA virus
(C) Adeno virus
(D) Pox virus
Ans: A
46. Bacteria differ from virus in having
(A) Cytoplasm
(B) Their own genetic material
(C) No proper nucleus
(D) Pathogenic nature
Ans: A
47. Bacteria are present everywhere except in
(A) Ice
(B) Soil
(C) Sea water
(D) Distilled water
Ans: D
(A) Photosynthesis
(B) Support
(C) Storage
(D) Conduction
Ans: A
27. Bundle cap is made up of
(A) Parenchyma
(B) Collenchyma
(C) Chlorenchyma
(D) Sclerenchyma
Ans: D
28. Match the following :
(a) Ilistogen theory 1. Schuepp
(b) Tunica corpus theory 2. Hanstein
(c) Korper kappe theory 3. Schmidt
(d) Three tissue system 4. Sachs
(a) (b) (c) (d)
(A) 2 3 4 1
(B) 2 3 1 4
(C) 3 2 1 4
(D) 2 4 3 1
Ans: B
29. 'Aerenchyma' is mostly found in
(A) Xerophytic plants
(B) Mesophytic plants
(C) Epiphytic plants
(D) Aquatic plants
Ans: D
30. 'Quiscent centre' is found in
(A) Root tip
(B) Leaf tip
(C) Flower tip
(D) Shoot tip
Ans: A
31. The vascular bundles in maize roots are
(A) Collateral and endarch
(B) Collateral and exarch
(C) Radial and endarch
(D) Radial and exarch
Ans: D
32. The companion cells are present in
(A) Bryophyta
(B) Pteridophyta
(C) Angiosperms
(D) Gymnosperms
Ans: C
33. The inner layer of exine of the pollen grain is called as
(A) Sexine
(B) Nexine
(C) Ectine
(D) Intine
Ans: B
34. Head inflorescence is found in
(A) Asteraceae
(B) Malvaceae
(C) Cruciferae
(D) Liliaceae
Ans: B
35. Bark is formed by the activity of
(A) Vascular cambium
(B) Phellogen
(C) Apical meristem
(D) Intercalary meristem
Ans: B
36. Trachieds are having
(A) Open ends
(B) Circular ends
(C) Flattened ends
(D) Tapering blunt ends
Ans: D
37.Match List I with List II and choo e the correct answer using the codes given below.
List I List II
(a) Rice 1. T41 , Tkm, C026
(b) Wheat 2. Coorg and Kents
(c) Sugarcane 3. Lermo Rojo, 271-1, 11- 8
(d) Coffee 4. B03 , COS561,C0224
(a) (b) (c) (d)
(A) 2 3 4 1
(B) 3 2 1 4
(C) 2 1 4 3
(D) 1 3 4 2
Ans: D
38. Consider the following statements.
Assertion (A) : Viruses differ from all other cellular forms of life.
Reason (R) Viruses contain either DNA (or) RNA.
Now select your answer according to the coding scheme given below.
J)if Both (A) and (R) are true (R) is the correct explanation of (A)
(B) Both (A) and (R) are true but (R) is not correct explanation of (A)
(C) (A) is false and (R) is true
(D) Both (A) and (R) are true
Ans: A
39. Citrus canker is a disease caused by
(A) a fungus
(B) an alga
(C) a lichen
(D) a bacterium
Ans: D
40. Which of the following is a bacterial disease?
(A) Measeles
(B) Chicken pox
(C) Syphilis
(D) AIDS
Ans: C
41. Which of the following diseases affects the nervous system?
(A) Rabies
(B) Pneumonia
(C) AIDS
(D) Jaundice
Ans: A
42. Which of the following is a viral disease of plants?
(A) Banana Bunchy top
(B) Blast ofrice
(C) Tikka disease of groundnut
(D) Red rot of sugarcane
Ans: A
43. Ti-plasmids are present in
(A) Cymbidium
(B) Dendrobium
(C) Agrobacterium
(D) All of these
Ans: C
44. The father of Plant Pathology is
(A) Stephen Hales
(B) Arnold
(C) Andrews
(D) Linnaeus
Ans: A
45. Tobacco mosaic virus is
(A) RNA virus
(B) DNA virus
(C) Adeno virus
(D) Pox virus
Ans: A
46. Bacteria differ from virus in having
(A) Cytoplasm
(B) Their own genetic material
(C) No proper nucleus
(D) Pathogenic nature
Ans: A
47. Bacteria are present everywhere except in
(A) Ice
(B) Soil
(C) Sea water
(D) Distilled water
Ans: D
48. The flagella of bacteria are composed of
(A) Protein
(B) Lipid
(C) Carbohydrate
(D) Amide
Ans: A
49. Which of the following is a correct statement?
(A) All bacteria are parasites
(B) All bacteria are saprophytes
(C) Many bacteria are heterotrophs
(D) All bacteria are autotrophs
Ans: C
50. Nitrifying bacteria convert
(A) Nitrogen into nitrates
(B) Ammonia or ammonium compounds into nitrates
(C) Nitrate into nitrogen
(D) Carbon dioxide into carbohydrates
Ans: B
51. The causal organism for 'Little leaf of Brinjal' is
(A) Fusarium
(B) Cercospora
(C) Mycoplasma
(D) Collctotrichum
Ans: C
52. The causal organism for 'Red rot of Sugarcane' is
(A) Fusarium
(B) Cercospora
(C) Xanthomonas
(D) Colletotrichum
Ans: D
53. Match the following :
List I List II
(a) Paddy 1. Little leaf
(b) Citrus 2. Red rot
(c) Sugarcane 3. Canker
(d) Brinjal 4. Blast
(a) (b) (c) (d)
(A) 1 2 3 4
(B) 4 3 1 2
(C) 4 3 2 1
(D) 3 4 2 1
Ans: C
(A) Protein
(B) Lipid
(C) Carbohydrate
(D) Amide
Ans: A
49. Which of the following is a correct statement?
(A) All bacteria are parasites
(B) All bacteria are saprophytes
(C) Many bacteria are heterotrophs
(D) All bacteria are autotrophs
Ans: C
50. Nitrifying bacteria convert
(A) Nitrogen into nitrates
(B) Ammonia or ammonium compounds into nitrates
(C) Nitrate into nitrogen
(D) Carbon dioxide into carbohydrates
Ans: B
51. The causal organism for 'Little leaf of Brinjal' is
(A) Fusarium
(B) Cercospora
(C) Mycoplasma
(D) Collctotrichum
Ans: C
52. The causal organism for 'Red rot of Sugarcane' is
(A) Fusarium
(B) Cercospora
(C) Xanthomonas
(D) Colletotrichum
Ans: D
53. Match the following :
List I List II
(a) Paddy 1. Little leaf
(b) Citrus 2. Red rot
(c) Sugarcane 3. Canker
(d) Brinjal 4. Blast
(a) (b) (c) (d)
(A) 1 2 3 4
(B) 4 3 1 2
(C) 4 3 2 1
(D) 3 4 2 1
Ans: C
54. The movement of mineral ions into root cells is due to
(A) Imbibition
(B) Active a bsorption
(C) Endocytosis
(D) Passive absorption
Ans: D
55. The loss of water in liquid form is
(A) Guttation
(B) Respiration
(C) Photosynthesis
(D) Transpiration
Ans: A
56. It is a special type of diffusion of liquid
(A) Imbibition
(B) Osmosis
(C) Capillary force
(D) Simple diffusion
Ans: B
57. The water which is free to move by capillarity between the soil particles
(A) Gravitational water
(B) Capillary water
(C) Hygroscopic water
(D) Soil water
Ans: B
58. FADH2 through electron transport chain can yield
(A) One ATP
(B) 2ATPs
(C) 3 ATPs
(D) 4ATPs
Ans: B
59. The hormone which is responsible for stomata closure is
(A) Indole Acetic acid
(B) lndole Butyric acid
(C) Abscissic acid
(D) Gibberrellic acid
Ans: C
60. The radiant energy of light is converted into chemical energy and is stored in
(A) AMP
(B) ATP
(C) ADP
(D) APP
Ans: B
61. Match the following :
(a) Photosynthesis 1. Plasma membrane
(b) Osmosis 2. Chloroplast
(c) Respiration 3. Mitochondria
(d) Protein synthesis 4. Ribosomes
(a) (b) (c) (d)
(a) 2 1 3 4
(B) 2 3 4 1
(C) 1 2 3 4
(D) 4 3 2 1
Ans: A
62. Which of the following changes takes place at the end of'Glycolysis'?
(A) Glucose into Pyruvic acid
(B) Proteins into Glucose
(C) Glucose into Fructose
(D) Starch into Glucose
Ans: A
63. Which of the following is not a Carbohydrate?
(A) Methionine
(B) Starch
(C) Cellulose
(D) Glycogen
Ans: A
64. How many types of amino acids are found in proteins?
(A) 20
(B) 26
(C) 120
(D) 270
Ans: A
65. Movement of particles on molecules from a region of higher concentration to a region of lower concentration is called
(A) Osmosis
(B) Cytosis
(C) Endocytosis
(D) Diffusion
Ans: D
66. The first compound of 'TCA Cycle' is
(A) Oxalo succinic acid
(B) Pyruvic acid
(C) Acetyl CoA
(D) Citric acid
Ans: D
67. Steroids' are
(A) Compound lipids
(B) Simple lipids
(C) Derived lipids
(D) None of these
Ans: C
68. A branch of study deals with fossil pollens is referred as
(A) Palynology
(B) Palaeo Gerentology
(C) Palaeo Palynology
(D) Pollenology
Ans: B
69. Dry seeds swells up in water, is due to
(A) Diffusion
(B) Osmosis
(C) Imbibition
(D) Options (B) and (C)
Ans: C
70. In SEM the source of illumination is
(A) Ultraviolet rays
(B) Gamma rays
(C) Beam of electrons
(D) Sunlight
Ans: C
71. Which one of the following pairs is correctly matched?
(A) Microsomes - Participate in the process of photosynthesis
(B) Lysosomes- Involved in synthesising amino acids
(C) Endoplasmic reticulum- Plays role in the formation of a new nuclear membrane
(D) Centrosomes- Provide enzymes required in the digestive process
Ans: C
72. The giant chromosomes of Drosophilla are found in its
(A) muscles
(B) ovary
(C) salivary gland
(D) testes
Ans: C
73. Barbara McClintock is associated with
(A) Jumping genes
(B) Transposon
(C) Both (A) and (B)
(D) Axon
Ans: A
74. Which of the following pairs is not correctly matched?
(A) XX -Female Drosophila
(B) Mustard gas- Mutagen
(C) Diplotene- Meiosis
(D) Homozygous- Hybrid
Ans: D
75. The sex chromosomes present females are
(A) yy
(B) XX
(C) XYY
(D) YX
Ans: B
(A) Imbibition
(B) Active a bsorption
(C) Endocytosis
(D) Passive absorption
Ans: D
55. The loss of water in liquid form is
(A) Guttation
(B) Respiration
(C) Photosynthesis
(D) Transpiration
Ans: A
56. It is a special type of diffusion of liquid
(A) Imbibition
(B) Osmosis
(C) Capillary force
(D) Simple diffusion
Ans: B
57. The water which is free to move by capillarity between the soil particles
(A) Gravitational water
(B) Capillary water
(C) Hygroscopic water
(D) Soil water
Ans: B
58. FADH2 through electron transport chain can yield
(A) One ATP
(B) 2ATPs
(C) 3 ATPs
(D) 4ATPs
Ans: B
59. The hormone which is responsible for stomata closure is
(A) Indole Acetic acid
(B) lndole Butyric acid
(C) Abscissic acid
(D) Gibberrellic acid
Ans: C
60. The radiant energy of light is converted into chemical energy and is stored in
(A) AMP
(B) ATP
(C) ADP
(D) APP
Ans: B
61. Match the following :
(a) Photosynthesis 1. Plasma membrane
(b) Osmosis 2. Chloroplast
(c) Respiration 3. Mitochondria
(d) Protein synthesis 4. Ribosomes
(a) (b) (c) (d)
(a) 2 1 3 4
(B) 2 3 4 1
(C) 1 2 3 4
(D) 4 3 2 1
Ans: A
62. Which of the following changes takes place at the end of'Glycolysis'?
(A) Glucose into Pyruvic acid
(B) Proteins into Glucose
(C) Glucose into Fructose
(D) Starch into Glucose
Ans: A
63. Which of the following is not a Carbohydrate?
(A) Methionine
(B) Starch
(C) Cellulose
(D) Glycogen
Ans: A
64. How many types of amino acids are found in proteins?
(A) 20
(B) 26
(C) 120
(D) 270
Ans: A
65. Movement of particles on molecules from a region of higher concentration to a region of lower concentration is called
(A) Osmosis
(B) Cytosis
(C) Endocytosis
(D) Diffusion
Ans: D
66. The first compound of 'TCA Cycle' is
(A) Oxalo succinic acid
(B) Pyruvic acid
(C) Acetyl CoA
(D) Citric acid
Ans: D
67. Steroids' are
(A) Compound lipids
(B) Simple lipids
(C) Derived lipids
(D) None of these
Ans: C
68. A branch of study deals with fossil pollens is referred as
(A) Palynology
(B) Palaeo Gerentology
(C) Palaeo Palynology
(D) Pollenology
Ans: B
69. Dry seeds swells up in water, is due to
(A) Diffusion
(B) Osmosis
(C) Imbibition
(D) Options (B) and (C)
Ans: C
70. In SEM the source of illumination is
(A) Ultraviolet rays
(B) Gamma rays
(C) Beam of electrons
(D) Sunlight
Ans: C
71. Which one of the following pairs is correctly matched?
(A) Microsomes - Participate in the process of photosynthesis
(B) Lysosomes- Involved in synthesising amino acids
(C) Endoplasmic reticulum- Plays role in the formation of a new nuclear membrane
(D) Centrosomes- Provide enzymes required in the digestive process
Ans: C
72. The giant chromosomes of Drosophilla are found in its
(A) muscles
(B) ovary
(C) salivary gland
(D) testes
Ans: C
73. Barbara McClintock is associated with
(A) Jumping genes
(B) Transposon
(C) Both (A) and (B)
(D) Axon
Ans: A
74. Which of the following pairs is not correctly matched?
(A) XX -Female Drosophila
(B) Mustard gas- Mutagen
(C) Diplotene- Meiosis
(D) Homozygous- Hybrid
Ans: D
75. The sex chromosomes present females are
(A) yy
(B) XX
(C) XYY
(D) YX
Ans: B
76. How many varieties of garden pea were selected by Mendel for his experiments?
(A) 2
(B) 7
(C) 14
(D) 7+ 1
Ans: B
77. The smallest measuring unit in cytology is
(A) Micron
(B) µm
(C) Angstrom
(D) Svedberg unit
Ans: B
78. Mitochondria was first discovered with help of
(A) Compound microscope
(B) Electron microscope
(C) Scanning electron microscope
(D) Autoradiography
Ans: A
79. The factor that is not expressed in the F1-generation is
(A) Dominant factor
(B) Recessive factor
(C) 1:2:1 ratio
(D) 1:1 ratio
Ans: B
80. The phenotypic ratio of Mendel's dihybrid cross is
(A) 1:1:1:1
(B) 9:3:3:1
(C) 9:7
(D) 12:3:1
Ans: B
81. 'Incomplete dominance' is observed in
(A) Sweet pea
(B) Garden pea plant
(C) Cucurbita plants
(D) Mirabilis plant
Ans: D
82. The position of a gene in a chromosome is called
(A) Allele
(B) Sport
(C) Locus
(D) Centromere
Ans: C
83. Mutations occurring in reproductive cells are called
(A) Somatic mutations
(B) Genomic mutations
(C) Germinal mutations
(D) Lethal mutations
Ans: C
84. Who wrote the "Origin of Species"?
(A) G.L. Mendel
(B) Lamarck
(C) Hugo de Vries
(D) Charles Darwin
Ans: D
85. Book wrote by Darwin
(A) Plantarum
(B) Species plantarum
(C) Life
(D) Descent of man
Ans: D
(A) 2
(B) 7
(C) 14
(D) 7+ 1
Ans: B
77. The smallest measuring unit in cytology is
(A) Micron
(B) µm
(C) Angstrom
(D) Svedberg unit
Ans: B
78. Mitochondria was first discovered with help of
(A) Compound microscope
(B) Electron microscope
(C) Scanning electron microscope
(D) Autoradiography
Ans: A
79. The factor that is not expressed in the F1-generation is
(A) Dominant factor
(B) Recessive factor
(C) 1:2:1 ratio
(D) 1:1 ratio
Ans: B
80. The phenotypic ratio of Mendel's dihybrid cross is
(A) 1:1:1:1
(B) 9:3:3:1
(C) 9:7
(D) 12:3:1
Ans: B
81. 'Incomplete dominance' is observed in
(A) Sweet pea
(B) Garden pea plant
(C) Cucurbita plants
(D) Mirabilis plant
Ans: D
82. The position of a gene in a chromosome is called
(A) Allele
(B) Sport
(C) Locus
(D) Centromere
Ans: C
83. Mutations occurring in reproductive cells are called
(A) Somatic mutations
(B) Genomic mutations
(C) Germinal mutations
(D) Lethal mutations
Ans: C
84. Who wrote the "Origin of Species"?
(A) G.L. Mendel
(B) Lamarck
(C) Hugo de Vries
(D) Charles Darwin
Ans: D
85. Book wrote by Darwin
(A) Plantarum
(B) Species plantarum
(C) Life
(D) Descent of man
Ans: D
86. The present Giraffee has a long neck as compared to its ancestors. It could be due to
(A) Natural selection
(B) Isolation
(C) Speciation
(D) Inheritance of acquired characters
Ans: C
87. Yerophytes are generally found in
(A) Deserts
(B) Water
(C) Hills
(D) Water bank
Ans: A
88. Tropical deciduous forests are found in the state of
(A) Punjab
(B) Tamilnadu
(C) Bihar
(D) Karnataka
Ans: C
89. The percentage of Carbon-di-oxide in the atmospheric air is
(A) 0.5%
(B) 0.03%
(C) 0.03%
(D) 0.04%
Ans: C
90. Plants growing in water nutrient medium are
(A) Hydroponics
(B) Hydrophytes
(C) Hydrosere
(D) All of these
Ans: A
91. The classification ofplants into hydrophytes, mesophytes and xerophytes was suggested by
(A) Odum
(B) Warming
(C) Weaver
(D) Mishra
Ans: B
92. Soil conservation can be best achieved by having
(A) Wind screens
(B) Good plant covers
(C) Restricted human activity
(D) Low rainfall
Ans: B
93. Vallisneria is a
(A) Submerged hydrophyte
(B) Free floating hydrophyte
(C) Xerophyte plant
(D) Mesophyte
Ans: A
94. Which one of the following is well developed in hydrophyte?
(A) Aerenchyma
(B) Collenchyma
(C) Stomata
(D) Root system
Ans: A
95. 'World Environmental Day' - is celebrated on
(A) 28th February
(B) 5th June
(C) 16th September
(D) 15th October
Ans: B
96. 'B.O.D.' is connected with
(A) Organic matter
(B) Microbes
(C) Both (A) and (B)
(D) None of the above
Ans: C
97. The term ' EcoSystem " was first proposed by
(A) Tansley
(B) A.G. Tansley
(C) Odum
(D) Haeckel
Ans: B
98. 'Eco system' has two components
(A) Plants and animals
(B) Weeds and trees
(C) Biotic and abiotic
(D) Frog and man
Ans: C
99. 'Gir forest' - found in
(A) Karnataka
(B) Uttarpradesh
(C) Madhya pradesh
(D) Gujarat
Ans: D
100. 'Mulching' helps in
(A) Mud formation
(B) Soil and moisture conservation
(C) Soil sterility
(D) Fish cultivation
Ans: B
(A) Natural selection
(B) Isolation
(C) Speciation
(D) Inheritance of acquired characters
Ans: C
87. Yerophytes are generally found in
(A) Deserts
(B) Water
(C) Hills
(D) Water bank
Ans: A
88. Tropical deciduous forests are found in the state of
(A) Punjab
(B) Tamilnadu
(C) Bihar
(D) Karnataka
Ans: C
89. The percentage of Carbon-di-oxide in the atmospheric air is
(A) 0.5%
(B) 0.03%
(C) 0.03%
(D) 0.04%
Ans: C
90. Plants growing in water nutrient medium are
(A) Hydroponics
(B) Hydrophytes
(C) Hydrosere
(D) All of these
Ans: A
91. The classification ofplants into hydrophytes, mesophytes and xerophytes was suggested by
(A) Odum
(B) Warming
(C) Weaver
(D) Mishra
Ans: B
92. Soil conservation can be best achieved by having
(A) Wind screens
(B) Good plant covers
(C) Restricted human activity
(D) Low rainfall
Ans: B
93. Vallisneria is a
(A) Submerged hydrophyte
(B) Free floating hydrophyte
(C) Xerophyte plant
(D) Mesophyte
Ans: A
94. Which one of the following is well developed in hydrophyte?
(A) Aerenchyma
(B) Collenchyma
(C) Stomata
(D) Root system
Ans: A
95. 'World Environmental Day' - is celebrated on
(A) 28th February
(B) 5th June
(C) 16th September
(D) 15th October
Ans: B
96. 'B.O.D.' is connected with
(A) Organic matter
(B) Microbes
(C) Both (A) and (B)
(D) None of the above
Ans: C
97. The term ' EcoSystem " was first proposed by
(A) Tansley
(B) A.G. Tansley
(C) Odum
(D) Haeckel
Ans: B
98. 'Eco system' has two components
(A) Plants and animals
(B) Weeds and trees
(C) Biotic and abiotic
(D) Frog and man
Ans: C
99. 'Gir forest' - found in
(A) Karnataka
(B) Uttarpradesh
(C) Madhya pradesh
(D) Gujarat
Ans: D
100. 'Mulching' helps in
(A) Mud formation
(B) Soil and moisture conservation
(C) Soil sterility
(D) Fish cultivation
Ans: B