Amoebic dysentery is caused by

Assertion $A$: $A$ patient suffering from malaria experiences chills and high fever.
Reason $R$: The rupture of red blood cells by the $Plasmodium$ parasite releases a toxic substance called haemozoin into the blood.

The female $Anopheles$ mosquito is the:

If the presence of mucus and blood clots is observed in the stool,it is an indication of which of the following?

The asexual life cycle of $Plasmodium$ is completed in:

In the life cycle of $Plasmodium$,where does the exo-erythrocytic cycle occur?