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NTA Abhyas NEET2020ChemistryBiomoleculesPractice

Mark the incorrect option.

Options

  1. ACarbon: % weight in earth's crust < % weight in human body
  2. BMagnesium: % weight in earth's crust > % weight in human body
  3. CSulphur: % weight in earth's crust < % weight in human body
  4. DSodium: % weight in earth's crust < % weight in human body

Correct answer

D. Sodium: % weight in earth's crust < % weight in human body

Step-by-step solution

The percentage of elements vary in earth's crust and Human body. Carbon is 0.03 in Earth but 18.5 in Human body. Magnesium is 2.1 in Earth but 0.1 in Human body. Sulphur is 0.03 in Earth and 0.3 in Human body. Sodium is 2.8 in Earth and 0.2 in Human body.

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