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Biological Classification question

2014 · Q25
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Biological Classification question

2014 · Q25

NEETBiologyBiological ClassificationMCQ+4 / −1
Viruses have
  1. A
    DNA enclosed in a protein coat
  2. B
    prokaryotic nucleus
  3. C
    single chromosome
  4. D
    both DNA and RNA.
View written solutionFree

Correct answer: A

All viruses are nucleoproteins (Nucleic acid + Protein) in the structure. The nucleic acid (DNA and RNA) is the genetic material. In a particular virus either DNA or RNA is the genetic material. Both are never present in a virus.

Single stranded RNA or ss RNA - Tobacco mosaic virus (TMV)

Virus envelope is known as capsid. The capsid is composed of protein subunits called capsomere.

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