Which is the most abundant element in the human body by mass?

Practice MCQ for SSC, UPSC, RRB Exams

A. Carbon A.
B. Hydrogen B.
C. Oxygen C.
D. Calcium D.

Correct Answer: C সঠিক উত্তর: C

Explanation ব্যাখ্যা

Oxygen makes up about 65% of the human body mass, mostly in water and organic compounds.

Related Questions সম্পর্কিত প্রশ্ন

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