What is the female gametocyte called?

Assertion $A$: $A$ patient suffering from malaria becomes pale and weak.
Reason $R$: $Plasmodium$ causes the breakdown of hemoglobin and destruction of red blood cells $(RBCs)$.
Which option is correct for Assertion $A$ and Reason $R$?

Which of the following statements is not correct regarding malarial infection?

Where do the sporozoites first enter in the human body?

What is the name of the metacryptomerozoite that enters the red blood cell and becomes spherical?

Which of the following organisms has only one host in its life cycle?