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Natural insecticide which is obtained fo...

Natural insecticide which is obtained form neem is

A

azadirachtin

B

nicotine

C

DDT

D

Both (a) and (b)

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The correct Answer is:
A
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ARIHANT NEET-ENVIRONMENTAL ISSUES-Chapter exercises ( C) Medical entrances gallery (Collection of Questions Asked in NEET & in Various Medical Entrance Exams)
  1. Now-a-days use of DDT as insecticide is banned because

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  2. Match the following Columns. {:("Column I","Column II"),("A. Photoc...

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  3. Natural insecticide which is obtained form neem is

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  4. Greenhouse effect is due to the

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  5. Examples of secondary air pollutants is/are:

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  6. The polluting strength sewage is usually characterized by its:

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  7. Match the following Column I with Column II. {:("Column I","Column I...

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  8. Phenomenon involving increase in concentration of non-degradable pollu...

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  9. Which one of the following combination is incorrect?

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  10. Math the following Columns. {:("Column I","Column II"),("A. Eutroph...

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  11. A scrubber in the exhaust of a chemical industrial plant removes:

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  12. Match the following Column I with Column II. {:("Column I","Column I...

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  13. The zone of atmosphere in which the ozone layer is present is called:

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  14. A location with luxuriant growth of lichens on the trees indicates tha...

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  15. Afforestation is :

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  16. The ozone hole over Antartica develops each year between:

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  17. Which of the following statements does not apply to eutrophication?

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  18. With the rise of water temperature, dissolved oxygen:

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  19. 'Kyoto protocol' is a multinational international treaty for:

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  20. Main cause of eutrophication is:

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