Mention whether the following statements are True (T) or False (F).

(i) Diseases like cholera and jaundice are the results of soil pollution.

(ii) CO₂ and methane are directly contributing to global warming.

(iii) Erosion of ancient monuments and statues is caused by acid rain which itself is the result of gaseous pollution.

(iv) Use of unleaded petrol and Compressed Natural Gas (CNG) in automobiles is one of the methods of abatement of gaseous and particulate air pollution.

Which of the following is an example of a green-house gas ?

1. Sulphur dioxide
2. Methane
3. Oxygen
4. Nitrogen

Which of the following gas can cause acid rain ?

1. Sulphur dioxide
2. Ammonia
3. Hydrogen
4. Nitrogen

Which of the following is responsible for causing the ozone hole ?

1. Methane
2. Carbon dioxide
3. Aerosols
4. Sulphur dioxide