Question

Q.14- Assertion (A): Transpiration cools leaf surface Reason (R); Transpiration helps in
translocation of sugar in plants.
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Answer 1

Answer:Answer:

Both A and R are correct and R is the correct explanation of A

Explanation:

Evaporation of water molecules from the cells of a leaf creates a suction which pulls water from the xylem cells of roots. Thus, transpiration helps in the absorption and upward movement of water and minerals dissolved in it from roots to the leaves.

Explanation:

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Answer 2

Both assertion and reason are true but reason is not the correct explanation of assertion.

Transpiration cause loss of water from the stomata hence cooling the surface and because of this transpiration facilitates translocation of sugar in plants.

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