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Which of these is a micronutrient?

ABoron

BBarium

CBromine

DBismuth

Answer & Solution

Correct answer: A. Boron

1. Micronutrients are needed in very small amounts. 2. The list includes iron, zinc and chlorine. 3. Boron is a micronutrient. _Source: syllabus Biology, Ch 12 'Mineral Nutrition'_

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