NEETZoologyStructural Organisation in Animals
Which of the following statements correctly describes the anatomical features specific to a male frog?
Options
- AIt possesses a copulatory pad on the first digit of the forelimb and a Bidder's canal in its kidneys.
- BIt possesses a copulatory pad on the first digit of the hindlimb and vasa efferentia in its testes.
- CIt possesses sound-producing vocal sacs and paired ovaries in its abdominal cavity.
- DIt possesses a Bidder's canal in its kidneys and a copulatory pad on the second digit of the forelimb.
Correct answer
A. It possesses a copulatory pad on the first digit of the forelimb and a Bidder's canal in its kidneys.
Step-by-step solution
In frogs, sexual dimorphism is prominent. Male frogs can be distinguished externally by the presence of sound-producing vocal sacs and a copulatory pad on the first digit of the forelimbs. Internally, male frogs possess a Bidder's canal in their kidneys, which is absent in females. Option 2 is incorrect because the copulatory pad is on the forelimb, not the hindlimb. Option 3 is incorrect because ovaries are a female reproductive structure. Option 4 is incorrect because the copulatory pad is located on the first di