This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: AIIMS 2018, Subject name: Pharmacology
Which of the following drug has gameticidal action against all species of plasmodium? 
Select and explain. 
A. Primaquine, B. Chloroquine, C. Quinine, D. None of these
A: Primaquine
Answer: A: Primaquine 
Explanation: Primaquine: It is gameticidal against all species of Plasmodium i.e. vivax, ovale, falciparum, malariae. Hence, it is DOC to prevent transmission of malaria. It is also used for Radical cure of vivax and ovale malaria as it can kill hypnozoites as well. Chloroquine and Quinine: Gameticidal against P. vivax species only