Which disease is caused by a nematode?

Filarial worms ($Wuchereria$ $bancrofti$ and $Wuchereria$ $malayi$) are known to:

What are the larvae born by the female Wuchereria bancrofti called?

Elephantiasis (filariasis) is caused by which of the following?

To prevent filariasis (elephantiasis), we should.........

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