question_answer

During the life cycle of Fasciola hepatica (liver fluke) infects its intermediate host and primary host at the following larval stage respectively

A) redia and miraeidium

B) cercaria and redia

C) metacercaria and cercaria

D) miraeidium and metacercaria

Correct Answer: D

Solution :

Fasciola hepatica has complex digenetic life cycle, its primary host is sheep and secondary host is snail. The host and infecting larval stage can be clearly understood by following flow chart