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Which one of the following statement true:

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  1. In a virus protein coat is made up of capsomere

  2. Virus can multiply in dead cells also

  3. Virus have their own protein synthesizing system

  4. Virus are not made up of Protein coat and nucleic acid

Correct Answer: Option 1 (Solution Below)

This question was previously asked in

UP TGT Biology 2013 Official Paper


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  • Viruses did not find a place in classification since they are not considered truly ‘living’.
  • Viruses are non-cellular organisms.
  • The name virus that means venom or poisonous fluid was given by Dmitri Ivanowsky.
  • Viruses cause diseases like mumps, smallpox, herpes, and influenza.


  • Viruses are mainly composed of nucleic acid and protein.
  • The protein coat called capsid made of small subunits called capsomeres protects the nucleic acid. 

Thereby the correct statement is virus protein coat is made up of capsomere.


  • The virus is made up of protein and nucleic acid.
  • Viruses can multiply in living cells only because they take over the machinery of the host cell to replicate themselves.
  • Viruses could be crystallized and crystals consist largely of proteins. They are inert outside their specific host cell.

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