Plant Physiology – Multiple Choice Questions (MCQs)

1. 1. Which plant hormone is responsible for cell elongation?

   • A. Cytokinin
   • B. Ethylene
   • C. Auxin
   • D. Gibberellin

2. 2. Which process is responsible for the loss of water in the form of vapor from aerial parts of plants?

   • A. Respiration
   • B. Photosynthesis
   • C. Transpiration
   • D. Translocation

3. 3. Which pigment is responsible for capturing light energy during photosynthesis?

   • A. Chlorophyll
   • B. Carotene
   • C. Xanthophyll
   • D. Anthocyanin

4. 4. What is the site of light reaction in chloroplast?

   • A. Stroma
   • B. Thylakoid
   • C. Matrix
   • D. Grana

5. 5. Which mineral is essential for chlorophyll synthesis?

   • A. Magnesium
   • B. Calcium
   • C. Potassium
   • D. Iron

6. 6. Sample question 6 on Plant Physiology?

   • A. Option A
   • B. Option B
   • C. Option C
   • D. Option D

7. 7. Sample question 7 on Plant Physiology?

   • A. Option A
   • B. Option B
   • C. Option C
   • D. Option D

8. 8. Sample question 8 on Plant Physiology?

   • A. Option A
   • B. Option B
   • C. Option C
   • D. Option D

9. 9. Sample question 9 on Plant Physiology?

   • A. Option A
   • B. Option B
   • C. Option C
   • D. Option D

10. 10. Sample question 10 on Plant Physiology?

    • A. Option A
    • B. Option B
    • C. Option C
    • D. Option D

11. 11. Sample question 11 on Plant Physiology?

    • A. Option A
    • B. Option B
    • C. Option C
    • D. Option D

12. 12. Sample question 12 on Plant Physiology?

    • A. Option A
    • B. Option B
    • C. Option C
    • D. Option D