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Ram Sharma • 193.86K Points
Coach Biology 

Q. What happens each day when the leaf of a plant is first exposed to light?

  • (A) the epidermal cells on the upper surface of the leaf begin to photosynthesize
  • (B) the cells of the spongy mesophyll begin to take up carbon dioxide, and are the only cells that are able to do so
  • (C) the guard cells become more turgid and the stomatal apertures open
  • (D) carbon dioxide diffuses out of the leaf
Correct Answer - Option(C)

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