Which one of the following is being utilised as a source of biodiesel in the Indian countryside? from Biology Environmental Issues Class 12 Nagaland Board
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Biology

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Biology

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CBSE Gujarat Board Haryana Board

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Class 10 Class 12

Which one of the following is being utilised as a source of biodiesel in the Indian countryside?

  • betroot

  • sugarcane

  • pongamia

  • euphorbia


D.

euphorbia

Some plants accumulate hydrocarbons in the form of latex e.g. Euphorbia, Asclepias, Capaifera.

Some plants accumulate hydrocarbons in the form of latex e.g. Euphorbia, Asclepias, Capaifera.

372 Views

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

C.

Fly-ash
711 Views

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
997 Views

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

C.

Biochemical oxygen demand
687 Views

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
695 Views

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

C.

Increased incidence of skin cancer
560 Views