A) four
B) three
C) two
D) one
Correct Answer: C
Solution :
In tapeworm, small groups of gravid proglottids regularly detach from the posterior end ofstrobila. This phenomenon is called apolysis because two excretory canals open separately. So, there are two excretory pores open outside when last proglottid is separated.You need to login to perform this action.
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