Question

Which are the correct statements related to ozone?

1. Ozone layer helps in increasing the UV radiations reaching earth.
2. Ozone is a deadly poison.
3. Ozone layer shields the earth from UV radiations.
4. Ozone layer prevents UV rays which cause skin cancer.
5. Ozone is formed with the help of Chloroflurocarbons.

Options

• (i), (ii), (iii)

• (ii), (iii), (iv)

• (iii), (iv), (v)

• (i), (iv), (v)

Answer 1

(ii), (iii), (iv)