Chemistry - Biomolecules Question with Solution | TestHub

ChemistryBiomoleculesAMINO ACIDEasy2 minPYQ_2020
ChemistryEasysingle choice

How many of the following elements have a greater percentage weight in the human body than percentage weight in the earth's crust?

(Sulphur, Sodium, Oxygen, Nitrogen, Carbon, Hydrogen, Magnesium, Silicon, and Calcium)

Options:

Answer:
B
Solution:

Carbon, Oxygen, Nitrogen, Hydrogen and Sulphur have greater percentage weight in the human body.

No. Element % weight in Earth’s crust % weight in human body
1. Carbon 0.03 18.5
2. Oxygen 46.6 65
3. Nitrogen Very little 3.3
4. Sulphur 0.03 0 . 3
5. Hydrogen 0.14 0.5
6. Sodium 2.8 0.2
7. Calcium 3.6 1.5
8. Magnesium 2.1 0.1
9. Silicon 27.7 negligible
Stream:NTA_ABHYAS_NEETSubject:ChemistryTopic:BiomoleculesSubtopic:AMINO ACID
⏱ 2mℹ️ Source: PYQ_2020

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