This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: general microbiology, Subject name: Microbiology
The specialized type of microscope, which enables quantitative measurements of the chemical constituents of cells is the - 
Select and explain. 
A. Optical microscope, B. Interference microscope, C. Phase contrast microscope, D. Polarization microscope
B: Interference microscope
Answer: B: Interference microscope 
Explanation: The interference microscope which not only revelas cell organelles but also enables quantitative measurement of the chemical constituents of cells such as lipids , proteins and nucleic acid REF:Ananthanarayan and Panicker's Textbook ofMicrobiology 8thEdition pg no:13