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': 'Which is not a cytopathic effect of virus - \nSelect and explain. \nA. Syncytium formation, B. Budding, C. Balloning and floating, D. Focal degeneration', 'role': 'user'}, {'content': 'Answer: B \nExplanation: Syncitium formation(measels),focal degeneration(herpes virus),balloning &floating are cytopathi effect REF:ANANTHA NARAYANAN MICROBIOLOGY NINTH EDITION PAGE.436', 'role': 'assistant'}]