The major portion of the dry weight of plants comprises:
A
Carbon, nitrogen and sulphur
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B
Carbon, hydrogen and oxygen
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C
Nitrogen, phosphorus and potassium
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D
Calcium, magnesium and sulphur
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Solution
The correct option is B Carbon, hydrogen and oxygen The weight of a plant, after all its water content is removed by drying, is called dry weight. The dry weight of plants majorly consists of carbon, hydrogen and oxygen.