Viruses have:

Viruses have:
A DNA enclosed in a protein coat
B Prokaryotic nucleus
C Single chromosome
D Both DNA and RNA

Detailed Solution

A virus is a nucleoprotein: its genetic material is enclosed in a protein coat (capsid). It has either DNA or RNA, never both, and no nucleus.

Viruses in past papers

5 questions from this chapter have appeared across 3 exam years.

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Practise Viruses All 5 questions This chapter in 2014 AIPMT