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ZoologyNEET 2025Calvin cycle, C4 pathway, photorespiration

Photosynthesis in Higher Plants

Which of the following statements about RuBisCO is true?

  1. A.It is active only in the dark
  2. B.It has a higher affinity for oxygen than for carbon dioxide
  3. C.It is an enzyme involved in the photolysis of water
  4. D.It catalyses the carboxylation of RuBP✓

Solution

RuBisCO catalyses the carboxylation of RuBP in the Calvin cycle. It is active in light, has a higher affinity for than for , and has nothing to do with photolysis of water.

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