EASY
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Which of the following belongs to secondary air pollutants?

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Important Questions on Environmental Issues

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Through ‘electrostatic precipitator’ which of the following matter is removed?
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According to Supreme Court of India, ruling with respect to 'Bharat Stage VI' Norms, from which date, these are supposed to be implemented in the country?
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The device which can remove particulate matter present in the exhaust from a thermal power plant is:
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Due to increasing air-borne allergens and pollutants, many people in urban areas are suffering from respiratory disorder causing wheezing due to
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The entire fleet of buses in Delhi were converted to CNG from diesel. In reference to this, which one of the following statements is false?
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Match the following

  List-I   List-II
(A) Hospital wastes (I) Electrostatic precipitators
(B) SO2 pollution (II) Catalytic converters
(C) Particulates (III) Scrubbers
(D) Automobile exhausts (IV) Biotoilets
    (V) Incinerators
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Which one of the following human activities has contributed as deforestation by northeastern sides of India?
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Air (Prevention and Control of Pollution) Act was amended in 1987 to include among pollutants:
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Which among the following pollutants is a secondary pollutant?
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Joint Forest Management Concept was introduced in India during:
MEDIUM

Given below are two statements:

Statement I: In a scrubber, the exhaust from the thermal plant is passed through the electric wires to charge the dust particles.

Statement II: Particulate matter (PM 2.5) cannot be removed by a scrubber but can be removed by an electrostatic precipitator.

In the light of the above statements, choose the most appropriate answer from the options given below:

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Which one of the following pollutants competes with oxygen for binding to haemoglobin and interferes in oxygen transport?
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Acid rain is caused by the increase in the atmospheric concentration of :
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Match the following
  Pollutant   Control
(A) Particulates (I) Catalytic converters
(B) Emissions of automobiles (II) Incinerators
(C) Sulphur dioxide (III) Electrostatic precipitator
(D) Hospital wastes (IV) Cooling towers
    (V) Scrubbers

The correct match is

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According to Central Pollution Control Board [CPCB] what size (in diameter) of particulate is responsible for causing greater harm to human health?
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Which one of the following statements is not valid for aerosols?
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Which of the following synthetic chemical is responsible for ozone layer depletion?