Statement A : Tapeworm, roundworm and pinworm are endoparasites of human intestine.
Statement B : Improperly cooked food is the source of intestinal infections.

Tapeworm, round worm & pinworm are all endoparasites. The main cause of the intestinal infection is improperly cooked food. However tapeworm infection occur by eating improperly cooked food, roundworm is transmitted by contaminated food & water and pinworm or ringworm is transmitted through food or improper sanitary condition.