MCQ
Two chief functions of leaves are
  • A
    Photosynthesis and respiration
  • Photosynthesis and transpiration
  • C
    Transpiration and respiration
  • D
    Respiration and digestion

Answer

Correct option: B.
Photosynthesis and transpiration
b
(b) Photosynthesis and transpiration both are equally essential processes because photosynthesis helps to maintain the equilibrium position of $O_2$ and $CO_2$ in the atmosphere and transpiration maintains the atmospheric temperature.

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