Biology
Grade-9
Easy

Question

Stomata of CAM plants are open at night for the uptake of _______ molecules.

  1. Water
  2. Carbon dioxide
  3. Oxygen
  4. Glycogen

hintHint:

The gas taken in by plants.

The correct answer is: Carbon dioxide


    • The CAM pathway is adapted to minimise water loss and photorespiration.
    • In CAM plants stomata are open at night and they absorb carbon dioxide at night to reduce water loss during the daytime.

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