Question

Assertion (A): In humans, filariasis is characterized by inflammation in the lower limbs.
Reason (R): Filarial worm usually lives in the lymphatic vessels of the lower limbs.

• A. Both (A) and (R) are true and (R) is the correct explanation of (A).
• B. Both (A) and (R) are true, but (R) is not the correct explanation of (A).
• C. (A) is true, but (R) is false.
• D. (A) is false, but (R) is true.

Hint:

Filarial worms block lymph vessels in legs, causing inflammation.

Answer 1

The Correct Option is A

Filariasis, caused by filarial worms such as Wuchereria bancrofti, results in the blockage and inflammation of lymphatic vessels, particularly in the lower limbs. The Reason accurately explains the Assertion.