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Question

Grey spots of oats are caused by the deficiency of


A
Cu
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B
Zn
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C
Mn
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D
Fe
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Solution

The correct option is C Mn
Manganese is a micronutrient absorbed by the plant in the form of manganous ions. It activates enzymes of respiration, photosynthesis and nitrogen metabolism. It's a deficiency cause of interveinal chlorosis and grey spot or stripes, legume cotyledons with brownish spots.
So the correct answer is 'Mn'.

Biology

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