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

Options

A. If both the assertion and the reason are true and the reason is a correct explanation of the assertion
B. If both the assertion and reason are true but the reason is not a correct explanation of the assertion
C. If the assertion is true but the reason is false
D. If both the assertion and reason are false

Answer

B

Explanation

Tape worm 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 improerly cooked measly prok. Cysticercus becomes active on reaching the intestine. Proscolex everts or evaginates in the intestinal wall. Ascaries, being an endoparasite ingabits the small intestine of man, more frequently of children than of adults. Man gets infection by consuming contaminated or uncooked food and water. Enterobius vermicularis or pinworm live in caecum, appendix and at the junction of large and small intestine. They are also transmitted in the same way like Taenia and Ascaris.