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Question

Swollen lower end of leaf stalk is

A
Petiole
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B
Pulvinus
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C
Thalamus
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D
Disc
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Solution

The correct option is A Pulvinus
A swelling at the base of a petiole is known as pulvinus. It is a joint-like thickening at the base of a plant leaf or leaflet that facilitates growth-independent movement. For example, mango, pea and gram.
Therefore, the correct answer is option B.

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