This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: Antimicrobial Drugs, Subject name: Pharmacology
Which of the following anti-malarial drug is gameticidal for all species of Plasmodium? 
Select and explain. 
A. Quinine, B. Primaquine, C. Chloroquine, D. Aesunate
B: Primaquine
Answer: B: Primaquine 
Explanation: PRIMAQUINE - Kills Gametes of All 4 Species. So It is used for preventing the transmission of the malaria. Chloroquine and quinine can kill the gametes of mainly P vivax. Exo-erythrocytic stage: Radical cure of malaria PRIMAQUINE - given for 2 weeks TAFENOQUINE - Single Dose Erythrocytic stage:These drugs are used to treat malaria Fast Acting Drugs Slow Acting Drugs M - Mefloquine - Proguanil A - Aemisinin - Pyrimethamine C - Chloroquine - Sulfadoxine H - Halofantrine - Doxycycline A - Atovaquone R - Res-Q (Quinine)