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
To see the bacteria methods used are - 
Select and explain. 
A. Microscopy, B. Stained preparations, C. Both, D. None
C: Both
Answer: C: Both 
Explanation: Ans. is 'c' i.e., Both . Individal bacterial cells hard to see because i) They are too small to he seen by naked eye. ii) They are almost transparent . So, to be seen they require? i) Magnification under microscope ii) Staining techniques to produce contrast