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Toxicity of Micronutrients

Assertion :Th...

Question

Assertion :The prominent symptom of manganese toxicity is the apperance of brown spots surrounded by chlorotic veins. Reason: Excess of mangnese may induce deficiencies of iron, magnesium and calcium.

A

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

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B

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

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C

Assertion is correct but Reason is incorrect

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D

Both Assertion and Reason are incorrect

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Solution

The correct option is A Both Assertion and Reason are correct and Reason is the correct explanation for Assertion
The conspicuous manifestation of manganese poisonous quality is the presence of dark-colored spot encompassed by chlorotic veins. Know that manganese contends with iron and magnesium for take-up and with magnesium for authoritative with compounds. Manganese likewise hinders calcium translocation in shoot peak. Accordingly, the abundance of manganese may, truth be told, actuate insufficiencies of iron, magnesium, and calcium.
So, the correct option is 'Both Assertion and Reason are correct and Reason is the correct explanation for Assertion'.

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