Question

Copulatory paired organs, hemipenis are characteristic of

• A. Birds and reptile
• B. Snakes and lizards
• C. Bats and rats
• D. Ostrich

Answer 1

The correct option is B Snakes and lizards

There are pair of organs present in the male squamates. Squamates includes the organisms like the snakes and lizards. This organ is known as hemipenis. Hemipenis are present inverted within the body of the male. They are reoriented in opposite direction during reproduction with the help of erectile tissue.The hemipenis bears spines and hooks. These structures helps to anchor the male organism within the female. Hemipenis do not have a completely enclosed channel for the conduction of sperm due to their orientation.There is a seminal groove which gets sealed as the erectile tissue expands.

Thus, the correct answer is option B.