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During its life-cycle, Fasciola hepatica (liver fluke) infects its intermediate host and primary host at the following larval stages respectively:
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- miracidium and metacercaria
- redia and miracidium
- cercaria and redia
- metacercaria and cercaria
Correct Option: B
When in contact with water, the egg capsule form non feeding larva miracidium. Miracidium enters the body of snail to from sporocyst. The sporocyst develops into redia. Redia form cercaria and come out of snail. They get encysted forming metacercaria.
