Which disease is shown in the given figure?

Which of the following is not true regarding $Ascaris$ infection?

Where do the infective larvae of Wuchereria bancrofti mature?

Microfilariae are ingested from humans by:

Match the symptoms of the diseases with their respective causative conditions:
Symptoms of Ascariasis $- P$
Symptoms of Filariasis $- Q$
$I -$ Chronic inflammation of lymphatic vessels
$II -$ Internal bleeding,muscular pain
$III -$ Fever,anemia,and blockage of the intestinal passage
$IV -$ Genital organs are often affected,leading to deformities
$\quad\quad P\quad Q$

The secondary host of $Wuchereria$,which transmits filariasis,is: