Why are viruses considered to be non-living?

They do not have cells.

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They cannot reproduce on their own.

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They have no metabolic activity.

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All of the above.

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Solution

The correct option is D All of the above.
Virus are not cells as they do not contain any cellular components. They consist only DNA/RNA surrounded by a protein covering. Since they do not contain any cellular components cellular activities like metabolism, reproduction etc are absent.
So, the correct answer is 'All of the above.'

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