Animal Kingdom Question 25
25. During its life-cycle, Fasciola hepatica (liver fluke) infects its intermediate host and primary host at the following larval stages respectively:
(a) miracidium and metacercaria
(b) redia and miracidium
(c) cercaria and redia
(d) metacercaria and cercaria
Show Answer
Answer : b
Hints & Solutions
(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.
