Genetic material of retrovirus is
ss RNA
The correct option is C.
Explanation of the correct option:
Explanation of the incorrect options:
Option A:
Single standard DNA is usually found in some bacterial viruses and bacteriophages.
Option B:
The genetic material of poxvirus and herpes virus and other viruses is ds DNA.
Option D:
Viruses that contain ds RNA are enterovirus, rhinovirus, poliovirus, and other viruses.
Final answer: Genetic material of retrovirus is ss RNA.