Environment And Road Safety Education And Violence Against Women And Children And Drug Abuse 2020 Exam With Answers

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11.

Haemoglobin in blood contains which of the following element?

A: Iron

B: Selenium

C: Manganese

D: Calcium

The answer is: A

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Explanation

Iron is a major component of hemoglobin, a type of protein in red blood cells that carries oxygen from your lungs to all parts of the body.