Class 12 Enhancement in Food Production MCQs with Answer

Food production has always been one of the most important aspects of modern society. More efficient ways of producing and storing food have been developed over the decades. Besides theoretical insights, it is crucial to learn practical applications. Hence our rendition of Enhancement of food production MCQs is designed to help students comprehend and recall essential concepts and questions that we deem are important.

Class 12 Biology Strategies for Enhancement in Food Production MCQs with Answer

Q1. The scientific process by which crop plants are enriched with certain desirable nutrients is called:

1. Crop protection.
2. Breeding.
3. Bio-fortification.
4. Bio-remediation.

Q2. Which one of the following is a marine fish:

1. Rohu.
2. Hilsa.
3. Catla.
4. Common Carp.

Q3. Find the incorrect statement:

1. Pusa Sem-2 and 3 are flat bean crop varieties.
2. In wheat, solid stem is resistant against sawfly.
3. Himgiri is a variety of cauliflower.
4. Pusa komal is a variety of cowpea.

Q4. Lysine and tryptophan are:

1. Proteins.
2. Non-essential amino acids.
3. Essential amino acids.
4. Aromatic and no acids.

Q5. The chances of contacting bird flu from a properly cooked (above 100°C) chicken and egg are:

1. Very high.
2. High.
3. Moderate.
4. None.

Q6. Micro-propagation is:

1. Propagation of microbes in vitro.
2. Propagation of plants in vitro.
3. Propagation of cells in vitro.
4. Growing plants on smaller scale.

Q7. Mark the odd one in the following groups.

1. Red rot of sugarcane.
2. Black rot of crucifer.
3. Late blight of Potato.
4. Brown rust of wheat.

Q8. Which one of the following products of apiculture is used in cosmetics and polishes:

1. Honey.
2. Oil.
3. Wax.
4. Royal jelly.

Q9. In virus-infected plants the meristematic tissues in both apical and axillary buds are free of virus because:

1. The dividing cells are virus resistant.
2. Meristems have anti viral compounds.
3. The cell division of meristems are faster than the rate of viral multiplication.
4. Viruses cannot multiply within meristem cell (s)

Q10. 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.

Q11. The agriculture sector of India employs:

1. 60 per cent of the population.
2. 70 per cent of the population.
3. 30 per cent of the population.
4. 62 per cent of the population.

Q12. Which culture is suitable for the production of virus free plants?

1. Anther culture.
2. Suspension culture.
3. Meristem culture.
4. Callus culture.

Q13. Which is the root of breeding programmes?

1. Totipotency.
2. Genetic variability.
3. Hybrid vigour.
4. Pure lines.

Q14. The part of the plant used for somatic hybridisation is:

1. Protoplast.
2. Genome.
3. Meristem.
4. Nucleus.

Q15. Mark the odd one in the following groups.

1. Chilli mosaic virus.
2. Tobacco Mosaic virus.
3. Leaf curl.
4. Curl blight.

Q16. The biggest constraint of plant breeding is:

1. Availability of desirable gene in the crop and its wild relatives.
2. Infrastructure.
3. Trained manpower.
4. Transfer of genes from unrelated sources.

Q17. Controlled breeding experiment in animals are carried out by:

1. MOET.
2. Artificial insemination.
3. Cloning.
4. Both (a) and (b).

Q18. Sonalika and Kalyan Sona are varieties of:

1. Wheat.
2. Rice.
3. Millet.
4. Tobacco.

Q19. Breeding of crops to increase the levels of essential nutrients, is called.

1. Biofortification.
2. Biomagnification.
3. Bioinformatics.
4. Biotechnology.

Q20. Which one of the following is not a fungal disease?

1. Rust of wheat.
2. Smut of Bajra.
3. Black rot of crucifers.
4. Red rot of sugarcane.

Q21. An explant is:

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

Q22. Mark the odd one in the following groups.

1. Outerossing.
2. Inbreeding.
3. Inter-specific hybridisation.
4. Cross-breeding.

Q23. 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 resistant rice variety.

Q24. More than 70 per cent of livestock population is in:

1. Denmark.
2. India.
3. China.
4. India and China.