Photosynthetic Adaptations · NCERT Biology

Which compound is the first stable product of CO2 fixation in C4 plants?

  1. Higher number of chloroplasts per cell
  2. Thick cuticle and spine-like leaf structures
  3. Reduced chlorophyll and accessory pigment content
  4. Exclusive reliance on the CAM pathway
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Correct answer: Higher number of chloroplasts per cell

Shade-adapted plants often have a higher number of chloroplasts and greater chlorophyll content per cell. This maximizes light capture under low-light conditions in the forest understory.

Difficulty: Medium Question 16 of 20

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