MEDIUM
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Suspended particulate matter (SPM) is an important pollutant released by diesel vehicles.

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Important Questions on Environmental Issues

EASY
Biology>Ecology>Environmental Issues>Air Pollution and its Control

Speculate the probable causes of each of the following phenomena:

  • Insomnia, High blood pressure, partial or complete deafness
  • Decrease in the concentration of dissolved oxygen in water and floating of dead fishes
  • Dwindling populations of alligators were the result of hunting and loss of habitat,
  • Inflammation in the respiratory tract of lung
  • Decrease in the number of pollination insects 
EASY
Biology>Ecology>Environmental Issues>Air Pollution and its Control
Photochemical smog contains
EASY
Biology>Ecology>Environmental Issues>Air Pollution and its Control
How is SO2 an air pollutant? Clarify.
EASY
Biology>Ecology>Environmental Issues>Air Pollution and its Control
Acid rain is caused by the increase in the atmospheric concentration of :
MEDIUM
Biology>Ecology>Environmental Issues>Air Pollution and its Control
We are surrounded by smoke. Is this situation good for our health ? Give reason.
EASY
Biology>Ecology>Environmental Issues>Air Pollution and its Control
Particulates of size pose greatest risk to human health.
HARD
Biology>Ecology>Environmental Issues>Air Pollution and its Control

An example of secondary air pollutant is

EASY
Biology>Ecology>Environmental Issues>Air Pollution and its Control

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
HARD
Biology>Ecology>Environmental Issues>Air Pollution and its Control
By scrubbers, which of the gaseous pollutant is removed?
MEDIUM
Biology>Ecology>Environmental Issues>Air Pollution and its Control
Differentiate between primary and secondary air pollutants.
EASY
Biology>Ecology>Environmental Issues>Air Pollution and its Control
Air pollution that occurs in sunlight is
EASY
Biology>Ecology>Environmental Issues>Air Pollution and its Control
Due to increasing air-borne allergens and pollutants, many people in urban areas are suffering from respiratory disorder causing wheezing due to
EASY
Biology>Ecology>Environmental Issues>Air Pollution and its Control
Percentage of oxygen present in inhaling air is 
EASY
Biology>Ecology>Environmental Issues>Air Pollution and its Control
Lichens are sensitive to certain air pollutants and are often replaced by other plants. From the given options choose the best combination of sensitivity and replacement of lichens.
HARD
Biology>Ecology>Environmental Issues>Air Pollution and its Control
Usage of large number of air conditioner and refrigerators can cause respiratory ailments. Explain this statement logically.
EASY
Biology>Ecology>Environmental Issues>Air Pollution and its Control
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?
MEDIUM
Biology>Ecology>Environmental Issues>Air Pollution and its Control
Why is air pollution considered a serious problem to the human population?
MEDIUM
Biology>Ecology>Environmental Issues>Air Pollution and its Control
Write two effects of peroxyacetyl nitrate (PAN).
MEDIUM
Biology>Ecology>Environmental Issues>Air Pollution and its Control
The gas which traps heat 20 times more than CO2 is
EASY
Biology>Ecology>Environmental Issues>Air Pollution and its Control
Which one of the following statements is not valid for aerosols?