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Biological Classification — BIOLOGY STD 11 Science — Question

Gujarat BoardEnglish MediumSTD 11 ScienceBIOLOGYBiological Classification1 Mark
MCQ
The viruses contain :
  • A
    Proteins only
  • B
    $\text{DNA}$ only
  • C
    Nucleic acids only
  • ✓
    Proteins, $\text{DNA}$ or $\text{RNA} ($nucleic acids$)$
✓

Answer

Correct option: D.
Proteins, $\text{DNA}$ or $\text{RNA} ($nucleic acids$)$
Viruses are ultramicroscopic and can cause diseases in plants and animals.
They are very simple in their structure.
They are composed of nucleic acid surrounded by a protein coat.
The nucleic acid can be either $\text{RNA}$ or $\text{DNA}$, but never both.

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