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Which of the following organelles are involved in photorespiration?

  • (a) chloroplast, ribosome, nucleus Your answer
  • (b) chloroplast, peroxisome, mitochondrion Correct
  • (c) chloroplast, vacuole, ER Your answer
  • (d) mitochondrion, Golgi body, lysosome Your answer
Your answer: Correct answer: (b)
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Explanation

Why (b) is correct

Photorespiration involves the chloroplast, the peroxisome and the mitochondrion.

Why the other options are wrong

  • (a) · your answer Ribosomes and the nucleus are not involved.
  • (c) · your answer Vacuole and ER are not involved.
  • (d) · your answer Golgi body and lysosome are not involved.
NCERT point: Photorespiration produces neither sugar nor ATP; it releases CO2 with the use of ATP.
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