Assertion :Diseases reduce the vitality of plants, inhibit their development and cause different morphological and physiological aberrations. Reason: The diseases can therefore result in the death of a plant.

Both Assertion and Reason are correct and Reason is the correct explanation for Assertion.

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Both Assertion and Reason are correct but Reason is not the correct explanation for Assertion.

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Assertion is correct but Reason is incorrect.

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Assertion is incorrect but Reason is correct.

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Solution

The correct option is B Both Assertion and Reason are correct but Reason is not the correct explanation for Assertion.
Diseases can affect any plant irrespective of this being wild or cultivated. Plant diseases which are caused by agents may lead to impairment in the lifecycle of the plant and interrupt its vital functions , inhibits the growth and development of certain plant parts or even cause physical aberrations. While plant diseases in its severe forms may also lead to the death of the plant, it is not necessary that every plant disease results in the death of a plant.

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