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Question

Pulvinus is found in

A
Calotropis
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B
Legume plants
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C
Alstonia
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D
Ficus
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E
All of the above
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Solution

The correct option is C Alstonia
A swollen leaf base is called as Pulvinus. This type of leaves are seen in legume plants. The swelling results due to change in the turgor pressure. Night closure movement of legume leaves shows this pulvinar movement. The pulvinus protects the young axillary bud.
Thus, the correct answer is 'Legume plants.'

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