Which of the following statements are true about the viruses?

They are free-living.

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They are obligate parasites.

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Both (a) and (b)

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They are Prokaryotic

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Solution

The correct option is B They are obligate parasites.
All viruses are obligate parasites; that is, they lack metabolic machinery of their own to generate energy or to synthesize proteins, so they depend on host cells to carry out these vital functions. If an obligate parasite cannot obtain a host it will fail to reproduce.

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Similar questions

Which of the following statement(s) is/are true about viruses?

i. Viruses are smallest among the microorganisms

ii. Viruses can live freely

iii. Viruses use the host cell to reproduce

iv. Viruses do not have DNA or RNA

Consider the following statements about viruses:

Which of these statements is/are correct?

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