Class 12 Biology MCQ Chapter 9 Strategies for Enhancement in Food Production
Are you looking for Class 12 Biology MCQ Chapter 9 Strategies for Enhancement in Food Production English Medium? If yes, then you are in the right place. This article provides important MCQ questions with answers from Chapter 9: Strategies for Enhancement in Food Production for AHSEC Higher Secondary students.
This chapter focuses on different methods used to increase food production and improve agricultural productivity. Students will learn about animal husbandry, plant breeding, tissue culture, single-cell protein, biofortification, dairy farming, poultry farming, fisheries, and other modern techniques used in food production. These topics are important for understanding how science helps meet the growing food needs of the population.
The MCQs are prepared according to the latest AHSEC syllabus and examination pattern. Practicing these objective questions will help students revise key concepts, improve their knowledge, and prepare effectively for board examinations.
Whether you are preparing for class tests, model exams, or the AHSEC Higher Secondary Final Examination, these MCQ solutions will help you strengthen your understanding of the chapter and achieve better results in Biology.
Unit VIII: Biology in Human Welfare
Strategies for Enhancement in Food Production
VSA & MCQ
I. Very Short Question-Answers
Q. What is animal husbandry?
Ans: Animal husbandry is the scientific management of livestock.
Q. What is apiculture?
Ans: Apiculture is the rearing of honeybees for honey production.
Q. Name the scientific name of honeybee commonly used in apiculture.
Ans: Apis indica.
Q. What is pisciculture?
Ans: Pisciculture is the breeding and rearing of fishes.
Q. What is aquaculture?
Ans: Aquaculture is the farming of aquatic organisms.
Q. What is poultry farming?
Ans: Poultry farming is the rearing of domestic birds for eggs and meat.
Q. What is dairy farming?
Ans: Dairy farming is the management of milk-producing animals.
Q. What is hybridization?
Ans: Hybridization is crossing between genetically dissimilar individuals.
Q. What is plant breeding?
Ans: Plant breeding is the improvement of crop varieties through genetic manipulation.
Q. What is inbreeding?
Ans: Inbreeding is mating between closely related individuals.
Q. What is outbreeding?
Ans: Outbreeding is breeding between unrelated individuals.
Q. What is cross-breeding?
Ans: Cross-breeding is mating of superior males of one breed with superior females of another breed.
Q. What is mutation breeding?
Ans: Mutation breeding is the development of useful mutants using mutagens.
Q. What are biofortified crops?
Ans: Biofortified crops are nutritionally improved crops.
Q. Name one disease-resistant crop variety.
Ans: Himgiri wheat.
Q. What is single cell protein (SCP)?
Ans: SCP is protein obtained from microbial biomass.
Q. Give one example of SCP-producing organism.
Ans: Spirulina.
Q. What is tissue culture?
Ans: Tissue culture is the growth of plant cells or tissues on artificial medium.
Q. What is micropropagation?
Ans: Micropropagation is rapid multiplication of plants through tissue culture.
Q. What are somaclones?
Ans: Somaclones are plants produced through tissue culture.
Q. What is somatic hybridization?
Ans: Somatic hybridization is fusion of protoplasts from different plants.
Q. What are protoplasts?
Ans: Protoplasts are plant cells without cell wall.
Q. Name one cereal rich in protein developed by biofortification.
Ans: Atlas 66 wheat.
Q. What is blue revolution?
Ans: Blue revolution refers to rapid increase in fish production.
Q. What is green revolution?
Ans: Green revolution refers to increased crop production using improved techniques.
Q. What is organic farming?
Ans: Organic farming is cultivation without synthetic fertilizers and pesticides.
Q. What is bee pasturage?
Ans: Bee pasturage refers to availability of flowers for nectar and pollen collection.
Q. What is the main product obtained from apiculture?
Ans: Honey.
Q. Name one marine fish used in aquaculture.
Ans: Pomfret.
Q. Name one freshwater fish used in pisciculture.
Ans: Rohu.
II. Multiple Choice Questions (MCQs)
Q. Scientific management of livestock is called:
(a) Horticulture
(b) Animal husbandry
(c) Apiculture
(d) Sericulture
Ans: (b) Animal husbandry
Q. Rearing of honeybees is known as:
(a) Pisciculture
(b) Poultry
(c) Apiculture
(d) Viticulture
Ans: (c) Apiculture
Q. Honeybee commonly reared in India is:
(a) Apis dorsata
(b) Apis indica
(c) Apis florea
(d) Apis mellifera
Ans: (b) Apis indica
Q. Fish farming is called:
(a) Sericulture
(b) Pisciculture
(c) Horticulture
(d) Viticulture
Ans: (b) Pisciculture
Q. Farming of aquatic organisms is:
(a) Apiculture
(b) Aquaculture
(c) Agriculture
(d) Olericulture
Ans: (b) Aquaculture
Q. Poultry farming is mainly done for:
(a) Milk and wool
(b) Honey and wax
(c) Eggs and meat
(d) Silk and fibre
Ans: (c) Eggs and meat
Q. Crossing genetically dissimilar plants is:
(a) Mutation
(b) Selection
(c) Hybridization
(d) Inbreeding
Ans: (c) Hybridization
Q. Improvement of crops by genetic manipulation is:
(a) Animal breeding
(b) Plant breeding
(c) Tissue culture
(d) Sericulture
Ans: (b) Plant breeding
Q. Mating between closely related individuals is:
(a) Outcrossing
(b) Cross-breeding
(c) Inbreeding
(d) Mutation breeding
Ans: (c) Inbreeding
Q. Crossing of two different breeds is:
(a) Inbreeding
(b) Cross-breeding
(c) Mutation
(d) Selection
Ans: (b) Cross-breeding
Q. Mutation breeding involves use of:
(a) Enzymes
(b) Hormones
(c) Mutagens
(d) Antibodies
Ans: (c) Mutagens
Q. Nutritionally improved crops are called:
(a) Hybrid crops
(b) Biofortified crops
(c) Tissue culture crops
(d) Organic crops
Ans: (b) Biofortified crops
Q. Single cell protein is obtained from:
(a) Animals
(b) Plants
(c) Microorganisms
(d) Algae only
Ans: (c) Microorganisms
Q. Spirulina is used as:
(a) Biofertilizer
(b) SCP
(c) Antibiotic
(d) Vaccine
Ans: (b) SCP
Q. Rapid multiplication of plants by tissue culture is:
(a) Mutation breeding
(b) Hybridization
(c) Micropropagation
(d) Inbreeding
Ans: (c) Micropropagation
Q. Plants produced through tissue culture are:
(a) Hybrids
(b) Somaclones
(c) Mutants
(d) Biofertilizers
Ans: (b) Somaclones
Q. Protoplasts are cells without:
(a) Cytoplasm
(b) Nucleus
(c) Cell membrane
(d) Cell wall
Ans: (d) Cell wall
Q. Fusion of protoplasts from different plants is:
(a) Pollination
(b) Hybridization
(c) Somatic hybridization
(d) Fertilization
Ans: (c) Somatic hybridization
Q. Green revolution is related to:
(a) Fish production
(b) Crop production
(c) Milk production
(d) Honey production
Ans: (b) Crop production
Q. Blue revolution is related to:
(a) Fish production
(b) Milk production
(c) Poultry farming
(d) Crop improvement
Ans: (a) Fish production
Q. Organic farming avoids use of:
(a) Compost
(b) Biofertilizers
(c) Synthetic chemicals
(d) Vermicompost
Ans: (c) Synthetic chemicals
Q. Himgiri is a variety of:
(a) Rice
(b) Wheat
(c) Maize
(d) Sugarcane
Ans: (b) Wheat
Q. Bee pasturage affects:
(a) Quality and quantity of honey
(b) Size of hive only
(c) Colour of bees
(d) Reproduction in fishes
Ans: (a) Quality and quantity of honey
Q. Which one is a freshwater fish?
(a) Hilsa
(b) Tuna
(c) Rohu
(d) Pomfret
Ans: (c) Rohu
Q. Which one is a marine fish?
(a) Catla
(b) Rohu
(c) Mrigal
(d) Pomfret
Ans: (d) Pomfret
Q. Milk-producing animals are managed under:
(a) Apiculture
(b) Dairy farming
(c) Pisciculture
(d) Poultry farming
Ans: (b) Dairy farming
Q. Atlas 66 is rich in:
(a) Vitamin A
(b) Protein
(c) Iron
(d) Calcium
Ans: (b) Protein
Q. Which one is not related to animal husbandry?
(a) Poultry farming
(b) Dairy farming
(c) Pisciculture
(d) Tissue culture
Ans: (d) Tissue culture
Q. Tissue culture requires:
(a) Soil only
(b) Artificial nutrient medium
(c) Sunlight only
(d) Fertilizers only
Ans: (b) Artificial nutrient medium
Q. The major product of apiculture is:
(a) Silk
(b) Milk
(c) Honey
(d) Wool
Ans: (c) Honey
Q. Assertion (A): Inbreeding increases homozygosity.
Reason (R): Inbreeding involves mating between closely related individuals.
(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.
Ans: (b)
Q. Assertion (A): Micropropagation helps rapid multiplication of plants.
Reason (R): Micropropagation is carried out through tissue culture.
(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.
Ans: (a)
Q. Assertion (A): Blue revolution increased fish production.
Reason (R): Blue revolution is associated with aquaculture and pisciculture.
(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.
Ans: (b)
Q. Assertion (A): Organic farming avoids synthetic fertilizers.
Reason (R): Organic farming depends mainly on natural manures and biofertilizers.
(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.
Ans: (a)
Q. Assertion (A): Spirulina is used as single cell protein.
Reason (R): Spirulina is rich in proteins.
(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.
Ans: (b)
Q. Assertion (A): Somatic hybridization involves fusion of protoplasts.
Reason (R): Protoplasts are plant cells without cell wall.
(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.
Ans: (c)
Q. Assertion (A): Bee pasturage affects honey production.
Reason (R): Availability of flowering plants influences nectar collection by bees.
(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.
Ans: (a)
