Photosynthetic Adaptations · NCERT Biology

The primary advantage of CAM photosynthesis is:

  1. Higher ATP yield
  2. Complete absence of Calvin cycle
  3. Maximum water conservation
  4. Faster growth rate
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Correct answer: Maximum water conservation

CAM photosynthesis is an adaptation for extreme water conservation. By opening stomata at night, plants significantly reduce water loss in arid environments.

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