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Red the following . In the above .A. ...

Red the following .
In the above .A. and .B. respectively are

A

Dissolved `O_(2)` and BOD

B

BOD and dissolved `O_(2)`

C

Dissolved `O_(2)` and COD

D

COD and dissolved `O_(2)`

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AAKASH SERIES-ENVIRONMENTAL ISSUES-Exercise-I (Water pollution)
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  2. Terror of Bengal is

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  3. Red the following . In the above .A. and .B. respectively are

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  4. The manner in which values of BOD and COD change, as water pollution i...

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  5. Water pollution

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  6. Release of phosphates and nitrates in water bodies (i.e., rivers and l...

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  7. The term "Bio-magnification" refers to the

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  8. The step in which organic matter is oxidized with the help of microorg...

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  9. In piped water supply system water is often treated with chlorine to

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  10. Which among the following is likely to have the highest levels DDT de...

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  11. A test procedure based on the chemical decomposition of organic and in...

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  12. High concentrations of accumulated DDT in birds

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  13. Insecticides usually act upon

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  14. Which of the following is called eutrophication ?

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  15. Thermal pollution of water bodies is due to discharge of

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  16. When temperature increases dissolved oxygen of water

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  17. Realizing the importance of maintaining the cleanliness of the water b...

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  18. Ganga action plan for controlling pollutionin Ganges started in

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  19. World.s most problematic aquatic weed is

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  20. Wich of the following causes biomagnifications ?

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