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Environmental Issues

Question

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Smog is a mixture of :
Aluminium ions
Methane and ozone
smoke and fog
water and smoke

Solution

C.

smoke and fog

Some More Questions From Environmental Issues Chapter

The amount of dissolved oxygen required by the microorganisms to degrade the organic wastes present in water is called ?

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.

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