Assertion : Excretion in cockroach occurs by Malpighian tubules
Reason : Each Malpighian tubule is lined by non-ciliated columnar cells.

Options

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

Answer

C

Explanation

Exretion in cockroach is preformed by Malpighian tubules. Each tubule is lined by glandular and ciliated cells. They absorb nitrogenous waste product and convert them into uric acid which is exreated out through the hindgut.