Assertion :In solution culture of plants, iron is added in the from of $F e^{-}$ EDTA. Reason: Hydroponics set-up is costly.

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.
EDTA (Ethylenediaminetetraacetic acid) is a common metal chelator and binds ions like iron and calcium. It is commonly used in foliar spray of iron on plants to increase iron supply and / or get over iron deficiency. Hydroponics is art of growing plants without soil in a nutrient medium. Hydroponics is a costly set up, because exact mineral requirement of the plant needs to be worked out and provisions need to be made.
So, the correct answer is 'Both Assertion and Reason are correct but Reason is not the correct explanation for Assertion.'

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