Read the following Assertion and Reason and choose the correct option. Assertion: Filariasis is a disease caused by Wuchereria worms. Reason: Wuchereria worms cause chronic inflammation of the lymphatic vessels, leading to elephantiasis.

Step-by-step solution

Ascaris, the common round worm and Wuchereria, the filarial worm, are some of the helminths which are known to be pathogenic to man. Ascaris, an intestinal parasite causes ascariasis. Symptoms of these disease include internal bleeding, muscular pain, fever, anemia and blockage of the intestinal passage. The eggs of the parasite are excreted along with the faeces of infected persons which contaminate soil, water, plants, etc. A healthy person acquires this infection through contaminated water, vegetables, fruits, e