- A Only DNA
- B Only RNA
- C Either DNA or RNA, never both
- D Both DNA and RNA together
Correct answer: C. Either DNA or RNA, never both
Explanation: Viruses contain either DNA or RNA as genetic material, never both together, enclosed in a protein coat called the capsid.
Concept context
Whittaker's five kingdom system covering Monera, Protista, Fungi, plus viruses, viroids, and lichens. A foundational NEET chapter on how living organisms are grouped.