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Q.

If we analyse the elements present in living matter, we find that

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a

carbon and oxygen are present in more than 68 percent of weight

b

sulphur is present in more amount as compared to nitrogen

c

sodium is present in more amount as compared to oxygen

d

hydrogen is the most abundant element

answer is A.

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Detailed Solution

Sulphur is present in less amount compared to nitrogen. Nitrogen is present in more amount as compared to sulphur. Oxygen is the most abundant element.

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