Strategies for Enhancement in food production class 12 MCQ

Strategies for Enhancement in food production class 12 chapter 9 MCQ Question and Answer

Strategies for Enhancement in food production class 12 MCQ Chapter 9 taken from NCERT Book these are 28 very Important MCQ based on latest Exam pattern Practice these MCQ Really effective to Improve your understanding level.

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Strategies for Enhancement in food production class 12 MCQ

Question:1 What is the primary objective of crop improvement in strategies for food production?

1. a) Increasing yield b)
2. Reducing crop diversity c)
3. Promoting monoculture d)
4. Lowering crop quality

Question:2 In the context of livestock improvement, what does AI stand for?

1. a) Artificial Intelligence
2. b) Animal Identification
3. c) Artificial Insemination
4. d) Animal Integration

Question:3 Which of the following is a modern breeding technique used in crop improvement?

1. a) Selective breeding
2. b) Genetic modification
3. c) Traditional farming
4. d) Crop rotation

Question:4 Which method is used for the reproduction of high-yielding livestock in animal husbandry?

1. a) Cloning
2. b) Crossbreeding
3. c) Inbreeding
4. d) Monoculture

Question:5 What is the primary aim of “Animal Husbandry” in the context of food production strategies?

1. a) Increasing crop yield
2. b) Enhancing animal health
3. c) Reducing diversity in livestock
4. d) Promoting plant cultivation

Question:6 Which strategy focuses on improving the quality of crops by selecting plants with desirable traits?

1. a) Organic farming
2. b) Genetic engineering
3. c) Artificial insemination
4. d) Selective breeding

Question:7 Which method involves the controlled pollination of plants to combine desirable traits?

1. a) Tissue culture
2. b) Hybridization
3. c) Monoculture
4. d) Organic farming

Question:8 In animal husbandry, what does “crossbreeding” refer to?

1. a) Breeding animals within the same breed
2. b) Breeding animals from different breeds
3. c) Artificial insemination
4. d) Cloning

Question:9 What is the primary goal of increasing the yield of food crops?

1. a) Reducing diversity
2. b) Enhancing taste
3. c) Meeting the food demand of a growing population
4. d) Promoting monoculture

Question:10 Which method is used to produce disease-resistant crop varieties?

1. a) Tissue culture
2. b) Genetic modification
3. c) Inbreeding
4. d) Monoculture

Question:11 The world’s highly prized wool yielding pashmina breed is .

1. sheep
2. Goat
3. Goat-sheep cross
4. kashmir sheep-Afghan sheep cross

Question:12 Both in callus and suspension culture commonly used auxin is .

1. NAA
2. IEF
3. 2-4D
4. Abscic Acid

Question:13 somatic hybridization can be done by.

1. by protoplast fusion
2. by heploid anther
3. by cell culture
4. by totipotency

Question:14 India’s w heat yield revolution in the 1986s was possible primarily due to.

1. Mutations resulting in the plant height reduction
2. Quantitative trait mutations
3. hybrid seeds
4. Increased ChlorophII content

Question:15 One of the following is a disease of poultry .

1. Anthrax
2. perrine disease
3. Ranikhet disease
4. Foot and mouth disease

Question:16 The technique of obtaining large number of plantlets by tissue culture method is called

1. Organ culture
2. Micro-propagation
3. Macro -propagation
4. Plantlet culture

Question:17 Most cultivated plants are.

1. Autopolyloid
2. Allopolyploid
3. Aneuploids
4. Haploids

Question:18 Triticale first main-made corral crop has been obtained by crossing wheat with

1. Rye
2. peal mile
3. sugarcane
4. barley

Question:19 Most nutritious among the following is.

1. what
2. Maize
3. Pearley
4. Rice

Question:20 Norman borlaug known as” father of green Revolution “has developed new cultivating variety of.

1. paddy
2. Rice
3. wheat
4. sugarcene

Question:21 several south Indian states raise 2-3 crops of rice annually. the agronomic feature that makes this possible is because of .

1. shorter rice plant
2. better irrigation facilities
3. early yielding rice variety
4. disease-resisitant rice variety.

Question:22 which one of the following combinations would a sugarcane farmer look for in the sugarcane crop ?

1. Thick stem, long internodes, high sugar content and disease resistant
2. thick stem, high sugar content and profuse flowering
3. thick stem, short internodes, high sugar content, disease resistant
4. thick stem, low sugar, content, disease resistant.

Question:23 Fungicides and antibiotics are chemicals that

1. enhance yield and disease and bacteria, respectively
2. kill pathogenic fungi and bacteria, respectively
3. kill all pathogenic microbes
4. kill pathogenic bacteria and fungi respectively.

Question:24 use of certain chemicals and radiation to change the base sequences of genes of crop plants is termed.

1. recombinant DNA technology
2. transgenic mechanism
3. mutation breeding
4. gene therapy.

Question:25 The scientific process by which crop plants are enriched with certain desirable nutrients is called.

1. crop protection
2. breeding
3. biofortification
4. bio-remediation.

Question:26 The term’ totipotency’ refers to the capacity of a .

1. cell to generate whole plant
2. bud to generate whole plant
3. seed to germinate
4. cell to enlarge in size.

Question:27 Given below are a few statements regarding somatic hybridisation, choose the correct statements.

1. Protoplasts of different cells of the same plant are fused
2. protoplasts from cells of different species can be fused
3. Treatment of cells with cellulase and pectinase is mandatory
4. the hybrid protoplasts contains characters of only one parental protoplast.
   • ii and iii
   • i and ii
   • iii and ii
   • ii and iv.

Question:28 An Explant is .

1. Dead plant
2. part of the plant
3. part of the plant usede in tissue culture
4. part of the plant that expresses a specific gene.

MCQ Answer

Question No	Answer	Question No	Answer
1	A	15	C
2	C	16	B
3	B	17	B
4	B	18	A
5	B	19	C
6	D	20	C
7	B	21	C
8	B	22	A
9	C	23	B
10	B	24	C
11	B	25	C
12	C	26	A
13	A	27	C
14	C	28	C

Read also

1. Chapter 1: Reproduction in Organisms class 12 MCQ
2. Chapter 2: Sexual Reproduction Flowering plants class 12 MCQ
3. Chapter 3: Human Reproduction class 12 MCQ
4. Chapter 4: Reproductive Health class 12 MCQ
5. Chapter 5: Principles of Inheritance and Variation class 12 MCQ

Conclusion

In conclusion, the strategies for enhancement in food production, as discussed in Class 12, encompass a range of methods aimed at increasing agricultural productivity. These strategies include the development of high-yielding crop varieties, modern breeding techniques in animal husbandry, and the adoption of sustainable agricultural practices. Understanding these strategies is essential for ensuring food security and meeting the growing global demand for food. These concepts play a vital role in shaping the future of agriculture and food production.