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When the BOD in water increases than the...

When the BOD in water increases than the level of `O_(2)` .......  

A

Increases

B

Remain normal

C

Decreases

D

No change

Text Solution

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The correct Answer is:
C
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KUMAR PRAKASHAN-ENVIRONMENTAL ISSUES-Section - F (Multiple Choice Question (MCQs))(MCQs FROM .DARPAN. BASED ON TEXTBOOK)
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  2. Which of the following process is found in the primary stage of remova...

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  4. It is a effect of water logging in the soil :

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  6. Full name CPCB :

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  7. A: Biological magnification means increasing concentration of some tox...

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  8. Which of the following statement is true ?

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  9. Which of the following follows deforestation ?   (A) Changes in regio...

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  10. Which of the following is not a character of polymer modified bitumen ...

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  11. Which of the following happens in third phase of waste water treatment...

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  12. Which of the following is false regarding JFM ?

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  13. Easy availability of nutrients in an aquatic habitat is called :   (A...

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  14. Which of the following plays an important role in greenhouse effect?

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  15. Which of the following is used to form polymer modified bitumen ?

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  16. What is snow-blindness ?

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  17. In which part of body DDT is stored ?

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  19. Which type of pollution is removed by scrubber method ?

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  20. What size of particles can cause greatest harm to human health ?

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