Which of the following statements is wrong?
(i) Ozone is not responsible for green house effect.
(ii) Ozone can oxidise sulphur dioxide present in the atmosphere to sulphur trioxide.
(iii) Ozone hole is thinning of ozone layer present in stratosphere.
(iv) Ozone is produced in upper stratosphere by the action of UV rays on oxygen.
The answer is the option (i) Ozone is not responsible for the greenhouse effect.
Explanation: The contribution of to the greenhouse effect is about 8 to 10%. About 75% of solar energy is absorbed by the surface of the earth, and the rest is radiated back to the atmosphere. This heat traps gases like present in the atmosphere and adds to the heat of the atmosphere, causing global warming.