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
[{'content': 'Growth of virus in embryonated egg, eggs are incubated for - \nSelect and explain. \nA. 4-8 hours, B. 1-2 days, C. 5-12 days, D. 20-25 days', 'role': 'user'}, {'content': 'Answer: C \nExplanation: Ans. is \'c\' i.e., 5-12 days "For virus isolation, feile chicken eggs are incubated for 5-12 days, and a viral Suspension or suspected virus - containing" tissue is injected into the fluid of the egg.', 'role': 'assistant'}]