Q.

Which of the following statements is incorrect ?

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a

All the elements present in a sample of earth’s crust are also present in a sample of living tissue

b

Relative abundance of carbon and hydrogen with respect to other elements is higher in any living organisms than in earth’s crust

c

Living organisms have more nitrogen and oxygen per unit mass than inanimate object (e.g.,  earth crust)

d

Living organisms have more Ca, Mg and Na in them than inanimate object

answer is D.

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Detailed Solution

Living organisms have more oxygen ,carbon than in earth’s crust.

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