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Ozone layer of stratosphere required pro...

Ozone layer of stratosphere required protection from indiscriminate use of

A

Fungicides, insecticides, bactericides and medicines

B

Aerosols and high flying jets

C

Atomic explosions and industrial wastes

D

Weather balloons.

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The correct Answer is:
A, B, D
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DISHA PUBLICATION-ENVIRONMENTAL CHEMISTRY -Exercise -1 : Concept Builder (Topic 2: Water, Soil Pollution and Green Chemistry)
  1. The substance having the largest concentration in acid rain?

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  2. Water is often treated with chlorine to

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  3. Thermal pollution affects mainly

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  4. Brewery and sugar factory waster alters the quality of a water body by...

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  5. A dental disease characterised by motting of teeth is due to presence ...

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  6. The high amount of E, coli in water is the

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  7. A lake with an inflow of domestic sewage rich in organic waste may res...

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  8. Lichens do not like to grow in cities

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  9. Which of the following acts as a sink for CO?.

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  10. Phosphate fertilizers when added to water leads to:

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  11. Phosphate pollution is caused by

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  12. BHC and DDT act as:

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  13. B.O.D. test is made for measuring

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  14. Which of the following trophic level has least concentration of toxins...

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  15. What is DDT among the following

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  16. In which one of the following the BOD (Biochemical Oxygen Demand) of s...

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  17. The agricultural field that produces maximum methane gas into atmoshpe...

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  18. Disease caused by eating fish found in water contaminated with inductr...

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  19. Ozone layer of stratosphere required protection from indiscriminate us...

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  20. U.V. radiation from the sun causes a reaction in the atmosphere that l...

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