Multiple choice

Male frog can be distinguished from female frog by looking at copulatory pad, which is present on _________.

  1. first digit of the forelimbs

  2. second digit of forelimbs

  3. first digit of the hindlimbs

  4. second digit of hindlimbs

  5. none of the above

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A Correct answer
Explanation

Male frogs can be distinguished by the presence of sound producing vocal sacs and also a copulatory pad on the first digit of the forelimbs, which are absent in female frogs.