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When huge amount of sewage is dumped int...

When huge amount of sewage is dumped into a river , the BOD will:

A

increase

B

remain unchanged

C

slightly decrease

D

decrease

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MBD-ENVIRONMENT ISSUES-EXERCISE
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  2. Discuss the causes and effects of water pollution. What measures need ...

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  3. When huge amount of sewage is dumped into a river , the BOD will:

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  4. "mango necrosis" is due to :

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  5. Minamata disease of Japan which afficted people with paralysis was tra...

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  8. Differentiate between hibernation and aestivation.

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  9. What are differences between primary succession and secondary successi...

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  10. What is the difference between BOD & COD?

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  11. What is noise pollution? Explain the effects of noise pollution?

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  12. Discuss briefly the following: Ultraviolet B

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  13. What is Ozone hole? Why does Ozone hole formed over Antartica? How wil...

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  14. What are the causes of loss of biodiversity?

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  15. Differentiate primary productivity and secondary productivity.

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  16. Differentiate in situ and ex-situ conservation.

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  17. What are major causes of species losses in a geographical area ?

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  18. A diagrammatic representation of different trophic levels in an ecosys...

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  19. A diagrammatic representation of different trophic levels in an ecosys...

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  20. A diagrammatic representation of different trophic levels in an ecosys...

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