This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: None, Subject name: Pharmacology
Chloroquine acts on - 
Select and explain. 
A. Merozoites, B. Blood schizont, C. Tissue schiont, D. Gametocytes
B: Blood schizont
Answer: B: Blood schizont 
Explanation: Ans. is 'b' i.e., Blood schizont o Chloroquine is highly effective blood schizontocide.