Q.A person suffering from a disease caused by Plasmodium, experiences recurring chill and fever at the time when ?

Q. A person suffering from a disease caused by Plasmodium, experiences recurring chill and fever at the time when ?

(a) The trophozoites reach maximum growth and give out certain toxins.

(b) The parasite after its rapid multiplicaiton inside RBCs ruptures them, releasing the stage to enter fresh RBCs.

(c) The microgametocytes and megagametocytes are being destroyed by the WBCs.

(d) The sporozoites released from RBCs are being rapidly killed and broken down inside spleen.

Solution : Correct option :B  The parasite after its rapid multiplication inside RBCs ruptures them, releasing the stage to enter fresh RBCs
In malaria, chill and fever are due to the release of a toxic substance haemozoin, formed by the breakdown of haemoglobin present in RBCs. It will be released after the rupture of RBCs in erythrocytic schizogony.