Question

In Schistosoma,

• A. Male is longer than female
• B. Male is broader than female
• C. Male has gynaecophoric canal for holding female
• D. Both B and C

Answer 1

The correct option is D Both B and C

Schistosoma mansoni is a waterborne parasite of humans and belongs to the group of blood flukes. The adult lives in the blood vessels near the human intestine. It causes intestinal schistosomiasis The male S. mansoni is approximately 1 cm long and is 0.1 cm wide. The female has a cylindrical body, longer and thinner than the male's (1.2 to 1.6 cm long by 0.016 cm wide). The male genital apparatus is composed of 6 to 9 testicular masses, situated dorsally. There is one deferent canal beginning at each testicle which is gynaecophoric canal. Male has a gynaecophoric canal to hold female. The copula happens through the coaptation of the male and female genital orifices.