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Question

Trees use a straw like mechanism to pull water up to their tip. This pull of water in trees is created by a phenomenon known as _________ .

A
Guttation
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B
Digestion
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C
Perspiration
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D
Transpiration
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Solution

The correct option is D Transpiration
Transpiration is the process of evaporation of water through tiny openings in leaves known as stomata. This evaporation creates a suction pull as when you drink any fluid using a straw. This suction is strong enough to pull water high up to the tips of even the tallest of trees. Transpiration also helps in cooling the plants.

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