During the life-cycle, Fasciola hepatica (liver fluke)
infects its intermediate host and primary host at the
following larval stages respectively
(a) redia and miracidium
(b) cercaria and redia
(c) metacercaria and cercaria
(d) miracidium and metacercaria
infects its intermediate host and primary host at the
following larval stages respectively
(a) redia and miracidium
(b) cercaria and redia
(c) metacercaria and cercaria
(d) miracidium and metacercaria