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Discussion

Preparation for Medical Entrance exams - Biology, Physics and Chemistry
(1)

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Which of the following is not an essential micronutrient?

 
Nickel
Manganese
Sodium
Boron

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Vikash Kumar

Essential Micronutrients or trace elements are needed in very small amounts
rn(less than 10 mmole Kg -1 of dry matter). These include iron, manganese,
rncopper, molybdenum, zinc, boron, chlorine, and nickel

Akshita Bist

Similarly cobalt is also not a part of micronutrients like nickel