Malarial parasite can be obtained in RBC's of patient
a) When temperature reaches normal
b) An hour before rise in temperature
c) When temperature rises with vigour
d) A few hours after temperature reaches normal
answer is c). How?

Dear Student,

The correct option is c.
The increase in temperature is due to the haemozoin that is released as the parasite break open the membrane and at the same time some of the parasites are converted to merozoites whose presence in blood can be detected.
Regards,