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Plant Viruses

The discovery...

Question

The discovery of virus has placed the problem of the origin of life in new light and it is believed that higher forms of life have descended from

A

Parasitic viruses

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B

Free living viruses

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C

All kind of viruses

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D

None of the above

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Solution

The correct option is B Free living viruses
For life to have descend from virus, they must have been from free-living virus only which means they lived independently because at the time of origin there would not have been other species to support virus. So, they could not have been parasitic or dependent.

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