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Question

Thorns of Bougainvillea and tendrils of Cucurbita are examples for

A
Retrogressive evolution
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B
Analogous organs
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C
Homologous organs
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D
Vestigial organs
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Solution

The correct option is C Homologous organs
Thorns of Bougainvillea and tendrils of Cucurbita are examples of homologous organs. They arise from the axillary buds. they perform different types of functions. The thorn is for providing protection against the grazing animals. The tendrils help in providing support while climbing. They are anatomically similar. But the functions are different.
Thus, the correct answer is option C.

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