Biology – Multiple Choice Questions (MCQs)

1. 13. What is the function of mitochondria?

   • A. To store waste products
   • B. To produce energy through cellular respiration
   • C. To synthesize proteins
   • D. To store water and nutrients

2. 14. What is the function of ribosomes?

   • A. To synthesize lipids
   • B. To synthesize carbohydrates
   • C. To synthesize proteins
   • D. To store genetic information

3. 15. What is the function of the endoplasmic reticulum?

   • A. To transport materials within the cell and synthesize lipids and proteins
   • B. To produce energy
   • C. To digest waste materials
   • D. To control cell division

4. 16. What is the function of the Golgi apparatus?

   • A. To package and modify proteins
   • B. To produce energy
   • C. To store water
   • D. To synthesize carbohydrates

5. 17. What is the function of lysosomes?

   • A. To store genetic material
   • B. To digest waste materials and cellular debris
   • C. To synthesize proteins
   • D. To produce energy

6. 18. What is the function of vacuoles?

   • A. To control cell division
   • B. To store water
   • C. nutrients
   • D. and waste products

7. 19. What is the cell wall?

   • A. A rigid outer layer found in animal cells
   • B. A flexible outer layer found in plant cells
   • C. A rigid outer layer found in plant cells
   • D. A membrane that controls what enters and leaves the cell

8. 20. What is photosynthesis?

   • A. The process by which animals produce energy
   • B. The process by which plants use sunlight
   • C. water
   • D. and carbon dioxide to create glucose and oxygen

9. 21. What is cellular respiration?

   • A. The process by which plants produce oxygen
   • B. The process by which organisms break down glucose to release energy
   • C. The process of water absorption by roots
   • D. The process of protein synthesis

10. 22. What are the two main types of reproduction?

    • A. Sexual and asexual
    • B. Mitosis and meiosis
    • C. Binary fission and budding
    • D. Vegetative propagation and spore formation

11. 23. What is asexual reproduction?

    • A. Reproduction involving the fusion of gametes
    • B. Reproduction involving only one parent and producing genetically identical offspring
    • C. Reproduction in plants only
    • D. Reproduction in animals only

12. 24. What is sexual reproduction?

    • A. Reproduction involving one parent
    • B. Reproduction involving the fusion of male and female gametes to produce genetically diverse offspring
    • C. Reproduction in bacteria
    • D. Reproduction through spores