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Environment issue Test - 5

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Environment issue Test - 5
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Weekly Quiz Competition
  • Question 1
    1 / -0

    Which of the following organic pollutants is linked to Parkinson's disease and breast cancer?

    Solution

    Dieldrin has been linked to Parkinson's disease and breast cancer. Dieldrin is a pesticide and enters human body through food.

  • Question 2
    1 / -0

    Which of the followiing persistent organic pollutants is talked about in 'Silent Spring' by Rachel Carson?

    Solution

    In 1962, the American biologist Rachel Carson published 'Silent Spring', describing the impact of DDT spraying on the US environment and human health.

  • Question 3
    1 / -0

    Which of the following is a high global warming potential gas?

    Solution

    SF6 is a high global warming potential gas because it can trap heat and can stay in the atmosphere for many years. Its global warming potential is 16300 after 20 years.

  • Question 4
    1 / -0

    Dobson unit is used for the measurement of

    Solution

    Dobson unit is used to measure total column ozone in Earth's atmosphere. It is given as the thickness (in units of 10 µm) of that layer which would be formed by the total gas in a column under standard temperature and pressure.

  • Question 5
    1 / -0

    Which of the following is fitted as a catalyst in catalytic converters to reduce the emission of poisonous gases?

    Solution

    To reduce the emission of poisonous gases, rhodium is fitted in filters. Rhodium is a noble metal and is inert against corrosion.

  • Question 6
    1 / -0

    Which of the following is not a point source of water pollution?

    Solution

    Run-off from pasture or range is not a point source of water pollution. This source is not well-defined or diffused.

  • Question 7
    1 / -0

    Copper is a common industrial pollutant. If discharged directly into oceans, it can interfere with the development of

    Solution

    Copper is a common industrial pollutant. If directly discharged in oceans, it can interfere with the life history and development of coral polyps. Copper at 200 μg l−1 leads to 100% mortality of polyps.

  • Question 8
    1 / -0

    Meiotrophication is a process in which

    Solution

    In meiotrophication, lakes become less nutrient rich with time.

  • Question 9
    1 / -0

    Chipko Movement was a forest conservation movement. It took place in

    Solution

    Chipko Movement took place in Tehri Garhwal of Uttar Pradesh in 1973 to save forests in that area. Villagers resorted to tree-hugging, or Chipko, as a means of non-violent protest.

  • Question 10
    1 / -0

    Which of the following isotopes from back end of a nuclear fuel cycle does not emit alpha-rays?

    Solution

    Californium-251 is a neutron emitter having a half life of 898 years.

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