The most abundant component of living organisms is
A
Sugar
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B
Protein
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C
Water
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D
Nucleic acid
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Solution
The correct option is C Water Composition of a cell
The smallest structural and functional unit of a living organism is a cell. The cell contains water as well as various biomolecules such as proteins, carbohydrates, nucleic acids and fats.
Average Composition of Cells
Component
% of the total cellular mass
Water
70-90
Proteins
10-15
Carbohydrates [sugar]
3
Nucleic acids
5-7
Hence, among all the biomolecules, water is most abundant in living organisms. It is about 70-90 % in living organisms.