Assertion : Tapeworm, roundworm and pinworm are endoparasites of human intestine. Reason : Improperly cooked food is the source of all intestinal infections.

Tapeworm belonging to Phylum Platyhelminthes, pinworms and roundworm belonging to Phylum Nematoda, are all endoparasites. They all are intestinal parasites. In case of Taenia solium man gets infection by uncooked or improperly cooked measly pork. Cysticercus becomes active on reaching the intestine. Proscolex everts or evaginates in the intestinal wall. Ascaris, being an endoparasite inhabits the small intestine of man, more frequently of children than of adults. Man gets infection through skin contact. Enterobius vermicularis or pinworm lives in caecum, appendix and at the junction of large and small intestine. It is transmitted by the improper sanitary condition.