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Multiple choice

The metals present in insulin, hemoglobin, vitamin B12 and chlorophyll are _____________ respectively.

  1. Zn, Fe, Co, Mg

  2. Zn, Fe, Mg, Co

  3. Mg, Fe, Co, Zn

  4. Co, Fe, Zn, Mg

  5. Mg, Fe, Zn, Co

Reveal answer Fill a bubble to check yourself
A Correct answer
Explanation

Insulin contain Zn, haemoglobin contain Fe, vitamin B12 contain Co and chlorophyll contain Mg.

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