Which of the following statements is true about viruses?

Viruses are filterable facultative parasites

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Viruses are capable of performing metabolic activities on their own

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All viruses known to man are facultative parasites

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Some viruses have cellular structure and are saprophytes

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Solution

The correct option is A Viruses are filterable facultative parasites
Viruses are obligate filterable parasites capable of independent existence and when they enter inside the body of the host they start utilising the host machinery for its own reproduction.
Thus, the correct answer is option A.

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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.

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

i. Viruses are smaller than the bacteria

ii. Viruses are active outside the host cell

iii. Viruses use the host cell to reproduce

iv. Viruses do not contain DNA or RNA

Which of the following statements are true about the viruses?

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