In the case of diseased plants, small spots or streaks of dead tissue appear. The symptom is called as

Chlorosis

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Distortion

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Necrosis

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Mottling

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Solution

The correct option is C Necrosis
Diseased plants or plants growing with some deficiency of certain minerals show characteristics symptoms like chlorosis, necrosis, mottling etc. Necrosis means death of tissue. Chlorosis means yellowing due to loss of chlorophyll. Mottling means appearance of uneven spots. Distortion means general deformation.

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