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': 'Bifringence polarization microscopy is used for ? \nSelect and explain. \nA. Flagella, B. Intracellular structures, C. Capsule, D. Spores', 'role': 'user'}, {'content': "Answer: B \nExplanation: Ans. is `b' i.e., Intracellular structures Polarization microscope enables the study of intracellular structure using differences in bifringence.", 'role': 'assistant'}]