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Question: Answered & Verified by Expert
The major portion of the dry weight of plants comprises of:
BiologyBiomolecules (B)NEETNEET 2003
Options:
  • A nitrogen, phosphorus and potassium
  • B calcium, magnesium and sulphur
  • C carbon, nitrogen and hydrogen
  • D carbon, hydrogen and oxygen
Solution:
1240 Upvotes Verified Answer
The correct answer is: carbon, hydrogen and oxygen
The four most common elements in living organisms are $\mathrm{H}, \mathrm{C}, \mathrm{O}, \mathrm{N}$. These are also known as framework element. Carbon, hydrogen and oxygen together constitute about $94 \%$ of the total dry weight of the plant.

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