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ICSE Class 10 Biology Question 28 of 30

Solved 2023 Question Paper ICSE Class 10 Biology — Question 28

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Question

Question 8(iii)

Leaves of certain plants roll up on a hot sunny day. Explain by giving suitable reasons.

Answer

On a bright sunny day, the rate of transpiration is much higher than any other days. The leaves of certain plants roll up on a bright sunny day to reduce the exposed surface and thus reduce the rate of transpiration.