A) the larger male retains the smaller female in its gynecophoric canal and all live in veins of the urinary bladder plexuses
B) the larger female retains the smaller male in its gynecophoric canal and all live in portal vein
C) males are seen in public plexuses and females in portal vein
D) males are seen in portal vein and females in public plexuses
Correct Answer: A
Solution :
Schistosoma haematobium lives in veins of the urinary bladder plexus. In these, sexual diamorphism is present. Sexes are different and the smaller female worm is found in the gynecophoral canal of male worm where copulation takes place.
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