Biology in Human Welfare – Multiple Choice Questions (MCQs)

1. 13. Green Revolution' in India is associated with:

   • A. Increased food grain production
   • B. Increased milk production
   • C. Increased fish production
   • D. Increased fruit production

2. 14. Biofortification aims to improve crops with increased:

   • A. Nutritional value
   • B. Pest resistance
   • C. Disease resistance
   • D. Yield

3. 15. Which of the following is a major breakthrough in dairy farm management?

   • A. Artificial insemination
   • B. Embryo transfer
   • C. Cloning
   • D. Genetic engineering

4. 16. Pisciculture is the rearing of:

   • A. Fish
   • B. Poultry
   • C. Bees
   • D. Silkworms

5. 17. Apiculture is commonly known as:

   • A. Beekeeping
   • B. Fish farming
   • C. Poultry farming
   • D. Silkworm rearing

6. 18. Monoclonal antibodies are produced by:

   • A. Hybridoma technology
   • B. Recombinant DNA technology
   • C. PCR
   • D. Electrophoresis

7. 19. Somaclonal variations are variations observed in plants regenerated from:

   • A. Tissue culture
   • B. Seed
   • C. Cuttings
   • D. Grafting

8. 20. Bt cotton is resistant to:

   • A. Insect pests
   • B. Herbicides
   • C. Fungal diseases
   • D. Bacterial diseases

9. 21. Biopesticides are agents used for pest control that are derived from:

   • A. Living organisms
   • B. Chemicals
   • C. Synthetic materials
   • D. Minerals

10. 22. Which of the following is a common biofertilizer?

    • A. Rhizobium
    • B. DDT
    • C. Urea
    • D. Phosphate

11. 23. The primary function of macrophages in the immune system is:

    • A. Phagocytosis
    • B. Antibody production
    • C. Cytotoxicity
    • D. Antigen presentation

12. 24. AIDS is caused by:

    • A. Human Immunodeficiency Virus (HIV)
    • B. Bacteria
    • C. Protozoa
    • D. Fungi