Multiple Choice Questions
Fill In the Blanks1. 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.
True Or FalseA.
The CO2 causes asphyxial death due to oxygen starvation.B.
Acid rain caused due to oxides of nitrogen and sulphur.C.
Ozone destroys the crops of potato, alfalfa and spinach.D.
The UV rays and IR rays are ionising radiations.E.
The photochemical smog contains PAN and Ozone.
One Word AnswersDiscarded computer parts like monitors, key boards, mouse etc.
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