The number of oxygen atoms present in ozone is

Ozone layer absorbs these radiations of sun

These are responsible for destruction of ozone layer

To protect ozone layer, the protocol emerged was

The element present in diamond is

Which of the following organisms is a free-living nitrogen fixer?

Which of the following is the elemental form of carbon?

The elements that is common among proteins, DNA, RNA, and Alkaloids ……………

The colour of ozone is …………

Which of the following is not a green house gas?