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 segmented genome is found in - 
Select and explain. 
A. Retrovirus, B. Rotavirus, C. Poliovirus, D. Rhabdovirus
B: Rotavirus
Answer: B: Rotavirus 
Explanation: Rotavirus has double-stranded RNA with 10-12 segments.
Viruses having segmented genome
Bunyaviridae → 3 segment single-stranded
Orthomyxoviridae → 8 segments single strand Mnemonic: BORA
Reoviridae → 10-12 segment Double-Stranded RNA
Arenaviridae → 2 segment single strand RNA
NOTE:

The only RNA virus having double strand is Reoviridae*
The only DNA virus having single strand is Parvovirus*