Class 12 Biology Chapter 9: Strategies for Enhancement in Food Production – 100 MCQs with Answers
1. The Green Revolution in India mainly focused on:
Answer: B) Wheat and rice
2. Hybridization means:
Answer: B) Crossing of two different varieties
3. Who is known as the ‘Father of Green Revolution’ in India?
Answer: B) M.S. Swaminathan
4. Animal husbandry involves:
Answer: A) Breeding livestock
5. The process of crossing between genetically different plants is:
Answer: B) Outcrossing
6. Apiculture is related to:
Answer: C) Honeybee
7. A kilocalorie of animal protein production needs:
Answer: B) More energy
8. The best approach for improvement in yield is by:
Answer: A) Introduction of new genes
9. Micropropagation refers to:
Answer: C) Tissue culture
10. ‘Golden rice’ is rich in:
Answer: A) Vitamin A
11. The main purpose of artificial insemination is:
Answer: D) Both A and C
12. Which is NOT a breed of cattle?:
Answer: B) Murrah
13. ‘Breed’ refers to:
Answer: B) Group of animals related by descent
14. Blue Revolution is related to:
Answer: A) Fish production
15. Somatic hybridization involves fusion of:
Answer: A) Somatic cells
16. Embryo rescue technique is helpful in:
Answer: B) Overcoming hybridization barriers
17. Disadvantage of inbreeding:
Answer: C) Both A & B
18. Vaccine production uses:
Answer: B) Microbes
19. The first artificial hybrid was:
Answer: B) Cotton
20. ‘Single cell protein’ can be produced from:
Answer: D) All
21. HGP is short for:
Answer: B) Human Genome Project
22. Biofortification means:
Answer: B) Improving nutritional quality
23. Transgenic crops are produced by:
Answer: B) Genetic engineering
24. Intervarietal cross involves crosses:
Answer: C) Between different varieties
25. Aquaculture involves farming of:
Answer: C) Fish and aquatic organisms
26. Cry genes in BT plants are obtained from:
Answer: A) B. thuringiensis
27. Explant is:
Answer: B) Organ, tissue or cell used in tissue culture
28. Hydroponics is:
Answer: B) Soilless cultivation
29. Animal breeding includes:
Answer: C) Both of the above
30. Semi-dwarf high yielding wheat variety was developed by:
Answer: A) Borlaug
31. An example of outbreeding:
Answer: C) Cross between unrelated animals
32. ‘Milk yield’ can be increased by:
Answer: D) All
33. MOET technology is used for:
Answer: A) Embryo transfer in animals
34. A biofertiliser used in paddy field is:
Answer: D) Azolla
35. Highest protein in SCP is found in:
Answer: B) Spirulina
36. Cloning in animals is done by:
Answer: B) Somatic cell nuclear transfer
37. Which is not a method of plant breeding for disease resistance?
Answer: D) Application of hormones
38. The process to produce haploids in plants is:
Answer: B) Anther culture
39. Bacterial biofertilizer used in legumes:
Answer: B) Rhizobium
40. Fish breed that grows in fresh and saline water:
Answer: B) Hilsa
41. Biopesticides are obtained from:
Answer: B) Microbes
42. Most widely used microbe for SCP is:
Answer: B) Spirulina
43. The indigenous breed of buffalo in India:
Answer: C) Murrah
44. Genetic improvement of crops can be achieved by:
Answer: D) All
45. Probiotics are beneficial:
Answer: A) Bacteria
46. Plantlets produced by micropropagation are called:
Answer: B) Somaclones
47. The technique to produce disease-free plants:
Answer: B) Meristem culture
48. Ovinology is the study of:
Answer: B) Sheep
49. The term ‘pedigree’ is related to:
Answer: B) Animal ancestry
50. Bacillus thuringiensis (Bt) is a:
Answer: B) Biopesticide
51. Cry proteins are toxic to:
Answer: B) Insect larvae
52. Hybrid vigour is known as:
Answer: B) Heterosis
53. Detection of hybrid plants is possible by:
Answer: C) Both A & B
54. Which is NOT a step in plant breeding?
Answer: D) Animal breeding
55. Major aim of biofortification:
Answer: C) Improved nutrition
56. Ornamental fish that can tolerate brackish water:
Answer: B) Goldfish
57. The plant hormone used for rooting in cuttings:
Answer: A) Auxin
58. The part of explant that gives rise to callus:
Answer: B) Parenchyma
59. Place for training and research in dairy farming:
Answer: C) NDRI
60. Poultry farming deals with:
Answer: C) Chicken, duck, turkey etc.
61. The most common breed of silkworm in India:
Answer: A) Bombyx mori
62. In vitro fertilization is used in:
Answer: B) Animal improvement
63. The main advantage of crossbreeding in animals:
Answer: D) All of these
64. For rapid micropropagation, which technique is best?
Answer: B) Tissue culture
65. Hybridoma technology produces:
Answer: A) Monoclonal antibodies
66. The breed of sheep suited for meat production:
Answer: C) Corriedale
67. ‘Super ovulation’ is induced by:
Answer: B) FSH
68. Pearl culture is related to:
Answer: C) Molluscs
69. Azolla is associated with:
Answer: A) Nitrogen fixation
70. Kharif crops are sown in:
Answer: C) Early monsoon
71. The animal with the shortest gestation period:
Answer: C) Mouse
72. The main constraint in dairy farming is:
Answer: D) All of these
73. Tissue culture helps in:
Answer: D) All of these
74. Apiculture increases yield by:
Answer: D) All
75. Hybrid cattle breed example:
Answer: C) Frieswal
76. Marker assisted selection uses:
Answer: B) DNA markers
77. The main use of probiotics is:
Answer: B) Gut health
78. Silviculture is related to:
Answer: B) Forest trees
79. Layer culture is part of:
Answer: B) Poultry
80. The hybrid crop of rice introduced in India:
Answer: A) IR-8
81. The part required for sheep wool production:
Answer: B) Hair
82. Embryo transfer technology is used for:
Answer: D) All of these
83. Root nodule bacteria belong to genus:
Answer: C) Rhizobium
84. The fusion of male and female gametes in plants is called:
Answer: B) Fertilization
85. A ‘shoot tip’ is used in:
Answer: B) Meristem culture
86. The major cultivable fresh water fish are:
Answer: D) All
87. PCR technology helps in:
Answer: A) DNA amplification
88. The scientific term for farming mushrooms is:
Answer: D) Fungi culture
89. Leguminous crops help in:
Answer: B) Nitrogen fixation
90. The best method for obtaining virus-free plants:
Answer: B) Meristem culture
91. The main aim of plant tissue culture:
Answer: D) All
92. A breed of poultry fowl is:
Answer: D) All
93. Microbial SCP is most extensively obtained from:
Answer: B) Spirulina
94. Dairy breed that yields “A2” milk:
Answer: A) Sahiwal
95. Fish eggs are called:
Answer: B) Spawn
96. An economically important fungus for cheese production:
Answer: A) Penicillium
97. Pisciculture is related to:
Answer: C) Fish
98. Rhizobium fix nitrogen inside:
Answer: B) Nodules
99. Potato is propagated by:
Answer: A) Stem tubers
100. The process of crossing genetically different animals within a species is:
Answer: A) Outcrossing