NEET2003BotanyBiomolecules (B)Actual
The major portion of the dry weight of plants comprises of:
Options
- Anitrogen, phosphorus and potassium
- Bcalcium, magnesium and sulphur
- Ccarbon, nitrogen and hydrogen
- Dcarbon, hydrogen and oxygen
Correct answer
D. carbon, hydrogen and oxygen
Step-by-step solution
The four most common elements in living organisms are H , C , O , N . These are also known as framework element. Carbon, hydrogen and oxygen together constitute about 94 % of the total dry weight of the plant.