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Question

Transpiration is important for plants because:

I: It removes extra water

II: It cools down the plant

III: It helps in exchange of gasses

IV: It helps in the transport of water upwards

Choose the correct set of statements.



A

II, III and IV

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B

I, II and III

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C

I, II and IV

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D

II and III

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Solution

The correct option is A

I, II and IV


Transpiration is defined as the process where plants absorb water through the roots and then give off water vapour through pores in their leaves (stomata). This process removes excess water, creates a suction pull to help in transport of water upwards, and cools down the plant. Transpiration has no direct role in the exchange of gases.


Biology

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