Triangular and pyriform apparatus like cooked rice grain present in egg of

Answer: Option A

Triangular and pyriform apparatus like cooked rice grain present in egg of Moniezia sp.
Moniezia expansa is commonly known as sheep tapeworm or double-pored ruminant tapeworm. It is a large tapeworm inhabiting the small intestines of ruminants such as sheep, goats and cattle.
Eggs are passed out from the intestine of the ruminant host along the gravid proglottids in the feces into the soil. Eggs must reach the gut of mite hosts within 1 day of release otherwise they are desiccated.