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Consider the following statements about photorespiration.
(A) It occurs in C3 plants.
(B) It uses ATP.
(C) It produces NADPH.
(D) It releases CO2.
How many of these statements are correct?

  • (a) one Your answer
  • (b) two Your answer
  • (c) three Correct
  • (d) four Your answer
Your answer: Correct answer: (c)
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Explanation

Why (c) is correct

A (occurs in C3 plants), B (uses ATP) and D (releases CO2) are correct. C is wrong: photorespiration does not produce NADPH. So three are correct.

Why the other options are wrong

  • (a) · your answer Three statements are correct.
  • (b) · your answer Three statements are correct.
  • (d) · your answer C is wrong.
NCERT point: Photorespiration: no sugar, no ATP, no NADPH.
What is wrong?
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