Ozone Layer

Q.

How is ozone formed at the higher levels of atmosphere?

Q. How many oxygen atoms bond together to form ozone molecule?

1. 1
2. 2
3. 3
4. 4

Q. is the main molecule involved in the destruction of ozone molecules.

1. Chlorofluorocarbon
2. Nitrous oxide
3. Sulphur oxide

Q. Why is ozone layer important for human beings?

1. Protects human beings from ultraviolet rays.
2. Exposes human beings to ultraviolet rays.
3. Protects human beings from harmful sunlight.
4. Exposes human beings to direct sunlight.

Q.

The ozone layer protects the earth from –

1. Ultraviolet rays

2. Gama rays

3. Infrared rays

4. X-rays

Q. aid in the formation of ozone molecules.

1. Ultraviolet rays
2. Carbon dioxide
3. Chlorofluorocarbons