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Question

Generally stomata found on the lower surface of leaf. Thus, approximate percentage of transpiration through abaxial surface is

A
47 %
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B
57 %
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C
67 %
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D
97 %
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Solution

The correct option is D 97 %
Stomata are usually confined in more number on the lower sides of the leaves. The lower surface is called as abaxial surface and the upper surface is called as the adaxial surface. Hence, maximum percentage i.e., 80- 95% of transpiration occurs from the lower surface.

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