Question

Certain stages of Plasmodium vivax may survive for a long time in the liver of man in the dormant state. On reactivation, they enter into the cycle

• A. Erythrocytic schizogony
• B. Cycle of Ross
• C. Gametogony
• D. Exoerythocytic schizogony

Answer 1

The correct option is B Cycle of Ross

• Plasmodium vivax is the most widespread malaria parasite.
• The sporozoites invade the cells of the salivary gland in the vector and the hepatocytes in the human in the ross cycle.
• The hypnozoite activates upon the bodily reaction by the human on a bite by an Anopheles female. Hence, Certain stages of Plasmodium vivax may survive for a long time in the liver of man in the dormant state. On reactivation, they enter into the cycle of Ross.
• So, the correct answer is "Cycle of Ross'.