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
The symmetric protein shell which encases the nucleic acid core of virus - 
Select and explain. 
A. Capsomere, B. Capsid, C. Basidiomycetes, D. Fungi imperfecti
B: Capsid
Answer: B: Capsid 
Explanation: Ans. is 'b' i.e., Capsid The virus consists of a nucleic acid surrounded by a protein coat, the capsid.