Class 9 Quiz 8

Welcome to your Class 9 Quiz 8

One of the following factors does not lead to soil formation in nature

The two forms of oxygen found in the atmosphere are

One of the following processes is not a step involved in the water-cycle operating in nature

Which of the following is not a greenhouse gas?

‘Ozone-hole’ means

The cell wall of which one of these is not made up of cellulose?

The basic unit of life is:

Which of the following is not a criterion for classification of living organisms?

Amphibians do not have the following

Which is not an aquatic animal?

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