Tag: atmospheric pollution

Questions Related to atmospheric pollution

Lung diseases are four times more in urban areas than in rural areas. This is due to the presence of:

  1. $SO _{2}$

  2. $CO _{2}$

  3. $N _{2}$

  4. water vapour


Correct Option: A
Explanation:

SO2SO2 is formed as a major pollutant. So, lung diseases are four times more in urban areas than in rural areas.

Atmosphere of big cities is polluted most by :

  1. Automobile exhausts

  2. Radioactive fall out

  3. Household waste

  4. Pesticide residue


Correct Option: A
Explanation:

The main source of pollution in metro cities is automobile exhausts. 


As greater the city, more the population which uses private transport.


Hence, increase in pollution is caused by automobile exhausts.


Therefore, option A is correct.