Examination questions and solutions
Test Amit sep
Which of the following statements is incorrect?
All the elements present in a sample of earth's crust are also present in a sample of living tissue
Relative abundance of carbon and hydrogen with respect to other elements is higher in any living organisms than in earth's crust
Living organisms have more nitrogen and oxygen per unit mass than in animate object (e.g. earth crust)
Living organisms have more Ca, Mg, Na in them than in animate object
amit test 1