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Question

Which of the following is absent in a leaf?

A
Phloem
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B
Stomata
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C
Guard cells
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D
Lenticels
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Solution

The correct option is C Lenticels
Leaves do not have lenticels as lenticels are present in the bark. A lenticel is a tissue having intercellular spaces. Lenticels are lens-shaped openings in the trunk of woody trees. It is present in the bark of woody dicotyledonous plants. It functions as a pore. It functions as a pathway for the direct exchange of gases between the internal tissues and atmosphere through the bark, which is otherwise impermeable to gases.

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