Which one is the right option:

The Right Option is C) Biochemical oxygen demand

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

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2. Ozone depletion will cause :

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Biochemical oxygen demand

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

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

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6. Smog is a mixture of :

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

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8. Which of the atmospheric layer contains ozone layer ?

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

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10. The cause of acid rain is :

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