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
[{'content': 'Amastigote form is seen in? \nSelect and explain. \nA. Leishmania, B. Plasmodium, C. Babesia, D. Ascaris', 'role': 'user'}, {'content': "Answer: A \nExplanation: 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).", 'role': 'assistant'}]