MCQ
The raw materials for photosynthesis are
  • $\ce{CO_2}$
  • B
    $\ce{CO_2, O_2, H_2}$
  • C
    $\ce{N_2}$ water
  • D
    $\ce{O_2}$ water

Answer

Correct option: A.
$\ce{CO_2}$
The raw materials of photosynthesis, water and carbon dioxide, enter the cells of the leaf. Oxygen, a by$-$product of photosynthesis, and water vapor exit the leaf.

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