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Sewage containing organic waste should n...

Sewage containing organic waste should not be disposed in water bodies because it causes major water pollution. Fishes in such a polluted water die because of

A

Large number of mosquitos

B

Increase in the amount of dissolved oxygen in water

C

decrease in the amount of dissolved oxygen

D

Clogging of gills by mud

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The correct Answer is:
C
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VK JAISWAL ENGLISH-ENVIRONMENTAL CHEMISTRY-Level 2
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  2. Which of the following statements is wrong?

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  3. Sewage containing organic waste should not be disposed in water bodies...

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  4. Which of the following statements about photochemical smog is wrong ?

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  5. The gaseous envelope around the earth is known as atmosphere. The lowe...

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  6. Dinitrogen and dioxygen are main constituents of air but these do not ...

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  7. The pollutants which come directly in the air from sources are called...

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  8. Which of the following statement is correct ?

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  9. Which of the following practices will not come under green chemistry?

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  10. Which of the following acts as rocket propellants?

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  11. When rain is accompanied by a thunderstorm, the collected rain water w...

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  12. The smog is essentially caused by the presence of:

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  13. Ozone in stratosphere is depleted by:

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  14. Which of the following is responsible for depletion of the ozone layer...

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  15. Identify the wrong statements in the following:

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  16. Identify the wrong statements in the following:

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  17. What is DDT among the following :

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  18. The gas leaked from a storage tank of the Union Carbide plant in Bhopa...

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  19. Which of the following gases is not green house gas ?

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  20. Photochemical smog occurs in warm, dry and sunny climate, One of the f...

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