Respiration in Plants

Photosynthesis vs Respiration Practice Questions

20 free Photosynthesis vs Respiration 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 Photosynthesis vs Respiration questions

20 questions
  1. Q1. Which of the following best distinguishes photosynthesis from respiration in plants?
  2. Q2. Which gas is released during photosynthesis but consumed during respiration?
  3. Q3. Which cellular organelle is common to both photosynthesis and respiration?
  4. Q4. What is the primary energy currency generated in respiration but consumed indirectly in photosynthesis?
  5. Q5. Which process occurs only in the presence of light, unlike respiration?
  6. Q6. Which statement correctly compares raw materials of photosynthesis and respiration?
  7. Q7. Which process results in a net gain of organic matter in plants?
  8. Q8. In which form is energy stored after photosynthesis but released during respiration?
  9. Q9. Which process fixes atmospheric carbon into organic molecules?
  10. Q10. Which of the following occurs in respiration but not in photosynthesis?
  11. Q11. Which pigment is essential for photosynthesis but has no direct role in respiration?
  12. Q12. Which process is directly responsible for maintaining atmospheric oxygen levels?
  13. Q13. Which of the following best explains why respiration is considered the reverse of photosynthesis?
  14. Q14. Which metabolic pathway is common to both plant and animal respiration but absent in photosynthesis?
  15. Q15. Which statement about energy flow in photosynthesis and respiration is correct?
  16. Q16. Which of the following occurs in chloroplasts but not in mitochondria?
  17. Q17. Why is respiration essential even in photosynthetic tissues?
  18. Q18. Which compound links photosynthesis and respiration most directly?
  19. Q19. Which statement is correct regarding the timing of photosynthesis and respiration in plants?
  20. Q20. Which process contributes directly to the buildup of dry weight in plants?