MediumZoologyBIOMOLECULES
+4 / -1
Select the incorrect statement from the following.
A
Oxygen is the most abundant element in Earth’s crust.
B
Percentage of calcium is more in Earth’s crust than in human body.
C
Nitrogen is 3.3% in human body.
D
Carbon is the third most abundant element present in human body.
Explanation
Oxygen is the most abundant element in both Earth’s crust and human body. In Earth’s crust, oxygen is 46.6%, silicon 27.7%, calcium 3.6% and carbon 0.03%. In human body, oxygen is 65.0%, carbon 18.5%, nitrogen 3.3% and calcium 1.5%. So carbon is not the third most abundant element in human body.
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