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Biodiversity & ...

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  • Question 1
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    Terrestrial life would become impossible with

     

  • Question 2
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    Aerosols decrease primary productivity by

     

  • Question 3
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    Highest DDT deposition shall occur in

     

  • Question 4
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    Fertilizers added to fresh water will cause

     

  • Question 5
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    Correct order of concentration of DDT in following organisms are
    i. Small fish
    ii. Large fish
    iii. Phytoplankton
    iv. Human beings

     

  • Question 6
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    Assertion: Agricultural output increased several times after introduction of DDT.
    Reason: DDT was the first insecticide used on a wide scale.

     

  • Question 7
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    Bioremediation of Phenol, one of the most common environmental pollutants is reported to be assisted by :

     

  • Question 8
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    The metal which is inert and when swallowed remains non-toxic but becomes severely toxic when inhaled in volatile form:

     

  • Question 9
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    The possible drawback of bioremediation method for oil spill containment is :

     

  • Question 10
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    Which of the two countries are most affected by global warming?

     

  • Question 11
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    Global warming will cause

     

  • Question 12
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    Ozone layer in upper atmosphere is being destroyed by

     

  • Question 13
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    The two main reason for increase in CO2 gas is

     

  • Question 14
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    Concentration of green house is increasing due to
    I. Deforestation
    II. Increased use of refrigerators
    III. Increased combustion of coal and petroleum
    IV. Increasing human population

     

  • Question 15
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    Deforestation generally decreases

     

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