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Question

During breeding season, nuptial pad is found in the thumb of

A
Male frog
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B
Female frog
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C
Both of these
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D
None of these
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Solution

The correct option is A Male frog
Frog exhibit sexual dimorphism. Male and female are distinguishable externally only during breeding season when the male develop roughed nuptial pads on the bases of the thumb. Nuptial pads help male in holding female, a sexual embrace called am plexus.

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