Question

The male and female Ascaris respectively have:

• A. One testis and two ovaries
• B. Two testis and two ovaries
• C. One testis and one ovary
• D. Two testis and one ovary

Answer 1

Answer:

A. One testis and two ovaries

Male Ascaris has a single, long, coiled testis that extends through much of the posterior pseudocoel, producing sperm that travels via vas deferens to the cloaca. Females possess two ovaries, each leading to an oviduct and uterus, forming a didelphic (double) reproductive system.