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Choose the incorrect statement of the following.

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Selenium is one of the beneficial elements required by higher plants.

${Zn}^{+2}$ is coenzyme for alcohol dehydrogenase.

For uptake and utilization of calcium, boron is required.

The element is said to be deficient when present below the critical concentration.

answer is B.

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Detailed Solution

Zinc is activator for alcohol dehydrogenase and several other enzymes like carboxylases etc.

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