Photosynthesis in Higher Plants

Photosynthetic Adaptations Practice Questions

20 free Photosynthetic Adaptations practice questions for the NCERT Biology, each with the correct answer and a detailed explanation. Open any question below, or take the full set as an interactive quiz.

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Questions

All Photosynthetic Adaptations questions

20 questions
  1. Q1. Which photosynthetic adaptation helps desert plants reduce water loss during carbon fixation?
  2. Q2. In C4 plants, the initial fixation of CO2 occurs in which cell type?
  3. Q3. Which enzyme allows C4 plants to efficiently fix CO2 even at low concentrations?
  4. Q4. CAM plants differ from C4 plants mainly in terms of:
  5. Q5. Which habitat most commonly favors the evolution of C4 photosynthesis?
  6. Q6. Kranz anatomy is a characteristic feature of which type of plants?
  7. Q7. Which photosynthetic adaptation helps aquatic plants utilize dissolved carbon efficiently?
  8. Q8. Why is photorespiration minimal in C4 plants?
  9. Q9. Which plant is a classic example of CAM photosynthesis?
  10. Q10. In CAM plants, malic acid accumulates mainly in:
  11. Q11. Which factor primarily drives the evolution of photosynthetic adaptations in plants?
  12. Q12. C3 plants show higher photorespiration under which condition?
  13. Q13. Which structural feature reduces water loss in desert plants performing photosynthesis?
  14. Q14. Which type of photosynthesis is most energy efficient under high light and temperature?
  15. Q15. In aquatic plants, stomata are generally:
  16. Q16. Which compound is the first stable product of CO2 fixation in C4 plants?
  17. Q17. Why are CAM plants generally slow-growing compared to C4 plants?
  18. Q18. Which habitat adaptation is seen in shade-loving plants regarding photosynthesis?
  19. Q19. Which statement correctly compares C3 and C4 plants?
  20. Q20. The primary advantage of CAM photosynthesis is: