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Environmental Issues

Question

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Bio- indicators are used for

oxygen demand

air pollution

mineral present

All of the above

Solution

D.

All of the above

Any organism which can be used to characterize particular environmental properties is called Biological indicator, eg, pollution oxygenation.

Some More Questions From Environmental Issues Chapter

In the scrubber in the electrostatic precipitator the gases are passed through :

Ozone depletion will cause :

The meaning of BOD is :

Which of the following pollutants is not produced by exhaust of motor vehicles ?

What is the term for the inflammation of cornea due to high absorption of UV-B radiation :

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 :

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