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Environmental Issues
Question
Wired Faculty App

Differentiate primary air pollutants and secondary air pollutants.

Answer

Differences between primary air pollutants and secondary air pollutants

Primary air pollutant

Secondary air pollutant

1. Pollutant persists in the form in which it is released in the environment.

2. Example. Glass, D.D.T., Carbon monoxide, Nitrogen oxide, Hydrocarbons.

1. It is formed due to the reaction of primary pollutants in the atmosphere.

2. Example. Ozone, Peroxyacyl nitrate (PAN)

 

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Some More Questions From Environmental Issues Chapter

The cause of acid rain is :

Which one of the following causes ozone depletion ?

What disease is caused due to consumption of fishes captured from water contaminated with mercury ?

Which one of the following is not a green-house gas ?

Which gas contributes the maximum in global warming ?

Fill in the blanks with suitable words :

1. Increase in concentration of soluble salts in the soil is called.........

2. Aforestation can check the advancement of......... .

3. DDT is a serious pollutant as it is a.........pollutant and undergoes......... .

4 .........plant has become a troublesome weed in agricultural fields.

5 .........are major aerosol pollutant present in jet aircraft emission.

Write “True” or “False” :

Coin one word for the following statements :

Discarded computer parts like monitors, key boards, mouse etc.

Coin one word for the following statements :
Degradation of organic waste by worms like red wigglers, white worms and earthworms.

Coin one word for the following statements :
Cleaning of vast areas covered by forests.