Question

Bidder's canal is characteristic of

• A. Male frog's kidney
• B. Female frog's kidney
• C. Male rabbits' testes
• D. Female rabbit's testes

Answer 1

Answer: (A)

Male frog's kidney

Bidder's canal is present inside kidney of male frog. It receives sperms from testes via a number of ( 10- 12 ) vasa efferentia. In the frog , urine produced by nephron will flow into the ureter from longitudinal collecting ducts. Bidder canal and longitudinal collecting ducts extendthroughout the length of kidney close to it margins and near to its dorsal surfaces.

Hence, the correct answer is option A.