NEET Strategies for Enhancement in Food Production PYQs & Practice Questions

10 free NEET Biology questions on Strategies for Enhancement in Food Production, starting with previous year questions (2016–2024). Tap “Show answer” to check each one. No login needed.

Topics: Bird Flu and Properly Cooked Poultry · Definition of a Breed · Purpose of Inbreeding in Animal Husbandry · Action of Fungicides and Antibiotics · Somatic Hybridization · Plant Breeding · Animal Husbandry · Plant Breeding for Disease Resistance · Single Cell Protein · Tissue Culture · Animal Husbandry - Inbreeding · Biofortification

1. Q1NEET 2024Somatic Hybridization

   Which of the following are fused in somatic hybridization involving two varieties of plants?

   • A. Protoplasts
   • B. Pollens
   • C. Callus
   • D. Somatic embryos
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   Answer: —

   Somatic hybridization involves the fusion of protoplasts (cells with the cell wall removed) from two different plant varieties or species to produce a hybrid cell, which is then cultured to regenerate a hybrid plant.

2. Q2NEET 2022Biofortification

   Breeding crops with higher levels of vitamins and minerals or higher proteins and healthier fats is called:

   • A. Bio-magnification
   • B. Bio-remediation
   • C. Bio-fortification
   • D. Bio-accumulation
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   Answer: B — Bio-remediation

   Biofortification is the breeding of crops with higher levels of vitamins, minerals, proteins, and healthier fats to improve nutritional value.

3. Q3NEET 2021Animal Husbandry

   Which of the following is not a step in Multiple Ovulation Embryo Transfer Technology (MOET)?

   • A. Fertilized eggs are transferred to surrogate mothers at 8-32 cell stage
   • B. Cow is administered hormone having LH like activity for super ovulation
   • C. Cow yields about 6-8 eggs at a time
   • D. Cow is fertilized by artificial insemination
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   Answer: A — Fertilized eggs are transferred to surrogate mothers at 8-32 cell stage

   In MOET, the cow is administered FSH-like hormone (not LH-like) for superovulation to yield 6-8 eggs, which are then fertilized by artificial insemination and transferred to surrogate mothers at the 8-32 cell stage.

4. Q4NEET 2019Animal Breeding

   Select the incorrect statement.

   • A. Inbreeding selects harmful recessive genes that reduce fertility and productivity.
   • B. Inbreeding helps in accumulation of superior genes and elimination of undesirable genes.
   • C. Inbreeding increases homozygosity.
   • D. Inbreeding is essential to evolve purelines in any animal.
   Show answer

   Answer: —

   Inbreeding, if continued for many generations, reduces fertility and productivity (inbreeding depression), but it does not inherently 'select' harmful recessive genes - rather it exposes them by increasing homozygosity. This makes statement 1 the incorrect framing among the options.

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5. Q5NEET 2017Animal husbandry - inbreeding

   Homozygous purelines in cattle can be obtained by:

   • A. mating of unrelated individuals of same breed.
   • B. mating of individuals of different breed.
   • C. mating of individuals of different species.
   • D. mating of related individuals of same breed.
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   Answer: C — mating of individuals of different species.

   Inbreeding, the mating of closely related individuals within the same breed, increases homozygosity, allowing desirable recessive traits to be exposed and homozygous purelines to be developed.

6. Q6NEET 2016Animal Husbandry - Breeding

   Interspecific hybridization is the mating of:

   • A. More closely related individuals within same breed for 4-6 generations
   • B. Animals within same breed without having common ancestors
   • C. Two different related species
   • D. Superior males and females of different breeds
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   Answer: B — Animals within same breed without having common ancestors

   Interspecific hybridization involves mating between males and females of two different but related species.

7. Q7NEET 2016Fisheries

   Among the following edible fishes, which one is a marine fish having rich source of omega-3 fatty acids?

   • A. Mackerel
   • B. Mystus
   • C. Mangur
   • D. Mrigala
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   Answer: —

   Mackerel is a marine fish rich in omega-3 fatty acids, while Mystus, Mangur (catfish) and Mrigala are freshwater fishes.

8. Q8Plant Breeding

   Which of the following is the correct sequence of steps in plant breeding?

   • A. Hybridization → Collection of variability → Evaluation → Selection
   • B. Collection of variability → Evaluation → Hybridization → Selection
   • C. Collection of variability → Hybridization → Selection → Evaluation and release
   • D. Selection → Collection of variability → Hybridization → Evaluation
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   Answer: B — Collection of variability → Evaluation → Hybridization → Selection

   The correct sequence in plant breeding is: (1) Collection of variability (germplasm collection), (2) Evaluation and selection of parents, (3) Hybridization, (4) Selection and testing of superior recombinants, (5) Testing, release and commercialization of new varieties.

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9. Q9Plant Breeding

   Norman Borlaug developed semi-dwarf varieties of wheat. Which of the following traits was specifically introduced to prevent lodging in these varieties?

   • A. Disease resistance genes from wild relatives
   • B. Dwarfing genes (Rht genes) that reduce stem elongation
   • C. High tillering capacity from Mexican wheat
   • D. Increased root depth to absorb more nutrients
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   Answer: A — Disease resistance genes from wild relatives

   Norman Borlaug introduced dwarfing genes (Rht genes) into wheat that reduce stem elongation, preventing lodging (falling over) when the plant produces heavy grain. This was central to the Green Revolution, allowing plants to support heavier grain loads without falling.

10. Q10Animal Husbandry

    Which of the following is NOT a method of animal breeding?

    • A. Inbreeding
    • B. Outbreeding
    • C. Interspecific hybridization
    • D. Somatic hybridization
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    Answer: C — Interspecific hybridization

    Somatic hybridization is a technique used in plant breeding where protoplasts of two different plants are fused. It is NOT a method of animal breeding. Animal breeding methods include inbreeding, outbreeding (outcrossing, crossbreeding, interspecific hybridization) and artificial insemination.