Steps taken by the Government of India to control air pollution include from Biology Environmental Issues Class 12 Nagaland Board
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Steps taken by the Government of India to control air pollution include

  • compulsory mixing of 20% ethyl alcohol with petrol and 20% biodiesel with diesel

  • Compulsory PUC (pollution Under control) certification of petrol driven vehicles, which tests for carbon monoxide and hydrocarbons

  • permission to use only pure diesel with a maximum of 500 ppm sulphur as fuel for vehicles

  • Use of non-polluting Compressed natural Gas (CNG) only as fuel by all buses and trucks


B.

Compulsory PUC (pollution Under control) certification of petrol driven vehicles, which tests for carbon monoxide and hydrocarbons

The government of India have been taken many steps to control air pollution Out of which one includes compulsory PUC (pollution Under control) certification of petrol driven vehicles, which test for carbon monoxide and hydrocarbons.

The government of India have been taken many steps to control air pollution Out of which one includes compulsory PUC (pollution Under control) certification of petrol driven vehicles, which test for carbon monoxide and hydrocarbons.

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Ozone depletion will cause :
  • Forest fire
  • Pneumonia
  • Increased incidence of skin cancer
  • None of these

C.

Increased incidence of skin cancer
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What is the term for the inflammation of cornea due to high absorption of UV-B radiation :
  • myopia
  • snow blindness
  • biomagnification
  • None of the above

B.

snow blindness
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In the scrubber in the electrostatic precipitator the gases are passed through :
  • filter
  • lime
  • spray of water
  • both 2 and 3

D.

both 2 and 3
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Which of the following pollutants is not produced by exhaust of motor vehicles ?
  • CO
  • Hydrocarbon
  • Fly-ash
  • NO

C.

Fly-ash
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The meaning of BOD is :
  • Bacterial oxygen demand
  • Biological optimum density
  • Biochemical oxygen demand
  • Bioorganisation decay

C.

Biochemical oxygen demand
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