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
[{'content': 'Syncytium formation is a property of - \nSelect and explain. \nA. Herpes virus, B. Adenovirus, C. Measles virus, D. Rabies virus', 'role': 'user'}, {'content': "Answer: C \nExplanation: Ans. is 'c' i.e., Measles virus Methods of detection of viral growth in cell cultures1. Cytopathic effecto Many viruses causes morphological changes in cultured cells knowm as cytopathic effect,o Examples are:EnterovirusMeasles virusHerpes virusAdenovirusSV40Crenation of cells and degeneration of the entire cell sheetSyncytium formationFocal degenrationLarge granular clump resembling bunches of grapesCytoplasmic vacuolation2. Metabolic Inhibition3. Hemadsorptiono Mainly for influenza and parainfluenza viruses.4. Interferenceo Growth of the first vims inhibit the growth of second vims.5. Transformationo For oncogenic viruses6. Immunofluoresenceo For detection of viral antigeno Give positive results earlier than other methods.", 'role': 'assistant'}]