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Question

Which of the following is not a part of the leaf?

A
Lamina
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B
Petiole
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C
Stipules
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D
Node
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Solution

The correct option is D Node
The parts of the leaf are leaf base, petiole and leaf lamina.


The part of the leaf by which it is attached to the stem is called leaf base. In some plants, the leaf base bears a pair of small leaf-like structures called stipules. Anatomically, in a typical flowering plant, stipules are considered as a part of the leaf.
The stalk of the leaf is called petiole.
The expanded green part of the leaf is called leaf lamina or leaf blade and has veins and veinlets. Leaf lamina majorly performs photosynthesis.
Stem bears nodes and internodes, and hence are not a part of the leaf. Leaves arise from the nodes of the stem.

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