Recurrence of high temperature in malaria at intervals is due to completion of

Malaria parasite harm liver cells

Which part of the body is known as ‘Police guard'

Swollen face, mental dullness, dry skin and loss of appetite is the characteristics of

Identify the molecules $(A)$ and $(B)$ shown below and select the right option giving their source and use.

Molecule             $\to $         Source                  $\to $                Uses