This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: Virology, Subject name: Microbiology
Virus quantification is done by - 
Select and explain. 
A. Egg inoculation, B. Hemadsorption, C. Plaque assay, D. Electron microscopy
C: Plaque assay
Answer: C: Plaque assay 
Explanation: Quantitative assays measure the actual number of infectious paicles in the inoculum. Two methods available-plaque assay and pock assay. REF:ANATHANARAYAN AND PANIKER'S TEXTBOOK OF MICROBIOLOGY 8TH EDITION PAGE NO:437