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Environmental Issues

Question

Wired Faculty App

The meaning of BOD is :
Bacterial oxygen demand
Biological optimum density
Biochemical oxygen demand
Bioorganisation decay

Solution

C.

Biochemical oxygen demand

Some More Questions From Environmental Issues Chapter

Smog is a mixture of :

WHO’s recommendations about the industrial noise limit is of :

Which of the atmospheric layer contains ozone layer ?

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.

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