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: Microbiology
Amastigote form is seen in? 
Select and explain. 
A. Leishmania, B. Plasmodium, C. Babesia, D. Ascaris
A: Leishmania
Answer: A: Leishmania 
Explanation: Ans. is 'a' i.e., Leishmania Leshmania are hemoflagellates which occur in two forms :? Amastigote (aflagellar stage) : It occurs in RE system (reticuloendothelial system) of veebrates (Man, dog). Promastigote (flagellar stage) : It is infective form and occurs in gut of sandfly or in aificial cultures. Promastigote form is transmitted by sandfly (vector is female sand fly).