Assertion :Pasteur coined Contagium Vivum Fluidum. Reason: Pasteur found that virus infected plant of tobacco can cause infection in healthy plant.

If both assertion and reason are true and reason is the correct explanation of assertion.

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If both assertion and reason are true but reason is not the correct explanation of assertion.

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If assertion is true but reason is false.

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If both assertion and reason are false.

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Solution

The correct option is D If both assertion and reason are false.
Contagium Vivum Fluidum is fluid extracted from infected plant that can infect a healthy plant. This was demonstrated by M W Beijerinck in 1898. Thus, both the assertion and reason are false as it was coined and demonstrated by M W Beijerinck.
So, the correct answer is (D).

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