Download NEET MCQs for NEET Biology: Strategies for Enhancement In Food Production
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Chapter-wise Objective Questions: Strategies for Enhancement In Food Production
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Multiple Choice Questions
(a) Heterozygosity only
(b) Heterozygosity and linkage
(c) Homozygosity only
(d) Homozygosity and self assortment
Show Answer & Explanation
Answer: (c) Homozygosity only
Explanation:
1. When more closely related individuals are mated within the same breed for 4-6 generations the progeny obtained is with increased homozygosity.
2. Thus, a pureline is evolved.
(a) Artificial hybridisation
(b) Cross breeding
(c) Selected animal should be mated with unrelated superior animals of the same breed
(d) Selected animal should be mated with unrelated superior animals of the different breed
Show Answer & Explanation
Answer: (c) Selected animal should be mated with unrelated superior animals of the same breed
Explanation:
1. A single outcross can even overcome inbreeding depression.
(a) a(ii), b(iv), c(iii), d(i)
(b) a(ii), b(iii), c(iv), d(i)
(c) a(iii), b(ii), c(iv), d(i)
(d) a(iii), b(iv), c(ii), d(i)
Show Answer & Explanation
Answer: (b) a(ii), b(iii), c(iv), d(i)
Explanation:
1. a.
2. Kashmiri goats– Pashmina: fine and soft wool used for shawls. b Tibetian antelope– Shahtoosh: King of wool. c.
3. Rabbit– Angoora: Type of wool. d.
4. Sheep (Nali): Superior carpet wool.
(a) Horticulture
(b) Apiary
(c) Apiculture
(d) Poultry
Show Answer & Explanation
Answer: (c) Apiculture
Explanation:
1. Horticulture– is the branch of agriculture that deals with the art, science, technology and business of plant cultivation.
2. Apiary– is a place where beehives of honey bees are kept.
3. Poultry– is the class of domesticated fowl used for food and for the eggs.
(a) Apis indica
(b) Apis florea
(c) Apis mellifera
(d) Apis dorsata
Show Answer & Explanation
Answer: (c) Apis mellifera
Explanation:
1. It is an exotic breed of honeybee.
2. It is also called as European honeybee or Italian bee.
3. This species of honeybee reared commercially in artificial hives in India because it is a better or efficient honey producer than other Indian species.
4. So to fulfill the needs of increasing population it is reared artificially.
(a) One type from which all castes develop
(b) Two types, one forming queen and workers and second type forming drones
(c) Three types forming queen, drone and workers
(d) Unfertilized-eggs die while fertilized ones form all castes
Show Answer & Explanation
Answer: (b) Two types, one forming queen and workers and second type forming drones
Explanation:
1. Queen lays two types of eggs– Fertilized eggs – Forms queen and workers.
2. Unfertilized eggs – Forms drones (Parthenogenesis).
(a) Mating of related individuals of same breed
(b) Mating of unrelated individuals of same breed
(c) Mating of individuals of different breed
(d) Mating of individuals of different species
Show Answer & Explanation
Answer: (a) Mating of related individuals of same breed
Explanation:
1. Inbreeding results in increase in the homozygosity.
2. Therefore, mating of the related individuals of same breed will increase homozygosity.
(a) Blastomycosis
(b) Syphilis
(c) Influenza
(d) Babesiosis
Show Answer & Explanation
Answer: (d) Babesiosis
Explanation:
1. Babesiosis is a disease caused by a protozoan, Babesia bigemina.
2. The vector is tick, so disease is also called tick fever in cattle.
(a) Pasteurellosis
(b) Salmonellosis
(c) Coryza
(d) New Castle disease
Show Answer & Explanation
Answer: (d) New Castle disease
Explanation:
1. New Castle disease– Caused by New Castle disease virus (NDV).
2. Coryza-Bacterial disease: Haemophilus paragallinarum.
3. Pasteurellosis– Bacterial disease: Pasteurella Salmonellosis– Bacterial disease: Salmonella.
(a) Culturing fish in ponds
(b) Culturing endogenous breed of fish in deep sea and coastal areas
(c) Culturing exotic breed of fish in estuaries
(d) Culturing any breed of fish in marine water
Show Answer & Explanation
Answer: (a) Culturing fish in ponds
Explanation:
1. Inland fisheries include fresh water fisheries.
2. Deep sea and coastal areas, Estuaries, Marine water, all are marine water sources.
(a) Continued out crossing within the small local population
(b) Continued cross breeding within the small local population
(c) Continued inbreeding within the small local population
(d) Interspecific hybridisation
Show Answer & Explanation
Answer: (c) Continued inbreeding within the small local population
Explanation:
1. Continued inbreeding reduces fertility and even productivity.
(a) Apiculture – Honey bee only
(b) Aquaculture – Fish only
(c) Sericulture – Silk moth only
(d) Poultry – Ducks
Show Answer & Explanation
Answer: (b) Aquaculture – Fish only
Explanation:
1. Aquaculture involves production of all aquatic plants and animals.
(a) Inbreeding
(b) Out-breeding
(c) Inbreeding depression
(d) Farm management
Show Answer & Explanation
Answer: (b) Out-breeding
Explanation:
1. Farm management: Management of farm like poultry farm, dairy farm etc.
(a) Anthrax
(b) Rinderpest
(c) Tick fever
(d) Coccidiosis
Show Answer & Explanation
Answer: (b) Rinderpest
Explanation:
1. Anthrax– Bacterial disease Tick fever– Protozoan disease Coccidiosis– Protozoan disease.
(a) Fish production
(b) Egg production
(c) Milk production
(d) Wheat and rice production
Show Answer & Explanation
Answer: (c) Milk production
Explanation:
1. Fish production – Blue revolution Egg production – Silver revolution.
2. Wheat and rice production – Green revolution.
(a) Antherea roylei
(b) Bombyx mori
(c) Apis indica
(d) Apis dorsata
Show Answer & Explanation
Answer: (a) Antherea roylei
Explanation:
1. Tassar silk is obtained from oak-feeding larvae of silk moth.
2. Mulberry silk is obtained from Bombyx mori.
3. Apis indica and Apis dorsata are different species of honey bees.
(a) Muscardine
(b) Pebrine
(c) Maggot disease
(d) Flacherie
Show Answer & Explanation
Answer: (b) Pebrine
Explanation:
1. Muscardine– Fungal disease Flacherie– Viral disease Maggot disease– Parasite larvae of fly.
Reason (R): Anthrax develops only in buffaloes and can't be transferred to human.
(a) Both Assertion and Reason are true and the Reason is a correct explanation of the Assertion.
(b) Both Assertion and Reason are true but the Reason is not a correct explanation of the Assertion.
(c) Assertion is true but the Reason is false.
(d) Both Assertion and Reason are false.
Show Answer & Explanation
Answer: (c) Assertion is true but the Reason is false.
Explanation:
1. Anthrax can develop in cattle, buffaloes, horse, sheep, goats and it can be transferred to human.
Reason (R): Their cocoons contain a small amount of silk.
(a) Both Assertion and Reason are true and the Reason is a correct explanation of the Assertion.
(b) Both Assertion and Reason are true but the Reason is not a correct explanation of the Assertion.
(c) Assertion is true but the Reason is false.
(d) Both Assertion and Reason are false.
Show Answer & Explanation
Answer: (b) Both Assertion and Reason are true but the Reason is not a correct explanation of the Assertion.
Explanation:
1. Multivoltine silkworms are found in Bengal and Karnataka..
Reason (R): Poultry birds are easy to raise, can be acclimatised to a wide range of climatic conditions, have short life span and are prolific breeders.
(a) Both Assertion and Reason are true and the Reason is a correct explanation of the Assertion.
(b) Both Assertion and Reason are true but the Reason is not a correct explanation of the Assertion.
(c) Assertion is true but the Reason is false.
(d) Both Assertion and Reason are false.
Show Answer & Explanation
Answer: (a) Both Assertion and Reason are true and the Reason is a correct explanation of the Assertion.
Explanation:
1. Both assertion and reason are correct.
2. Reason correctly explains assertion.
Reason (R): Encephalomalacia causes bloody diarrhoea in poultry.
(a) Both Assertion and Reason are true and the Reason is a correct explanation of the Assertion.
(b) Both Assertion and Reason are true but the Reason is not a correct explanation of the Assertion.
(c) Assertion is true but the Reason is false.
(d) Both Assertion and Reason are false.
Show Answer & Explanation
Answer: (d) Both Assertion and Reason are false.
Explanation:
1. Encephalomalacia, disease of poultry is caused by deficiency of vitamin E in which softening of brain tissue occurs.
Strategies for Enhancement In Food Production Objective Questions & Solutions for NEET Biology
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FAQs
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