EASY
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Which of the following devices are used for removing particulate air pollutants?

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Important Questions on Ecology and Environment

EASY
Biology>Ecology>Ecology and Environment>Environmental Issue
Which of the following protocols did aim for reducing emission of chlorofluorocarbons into the atmosphere?
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Biology>Ecology>Ecology and Environment>Environmental Issue
The highest DDT concentration in aquatic food chain shall occur in
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Biology>Ecology>Ecology and Environment>Environmental Issue
Which of these following methods is the most suitable for disposal of nuclear waste?
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Biology>Ecology>Ecology and Environment>Environmental Issue
Among the following, the one that is not a greenhouse gas is:
EASY
Biology>Ecology>Ecology and Environment>Environmental Issue
Joint Forest Management Concept was introduced in India during:
EASY
Biology>Ecology>Ecology and Environment>Environmental Issue
Polyblend, a fine powder of recycled modified plastic, has proved to be a good material for:
EASY
Biology>Ecology>Ecology and Environment>Environmental Issue
Which of the following in sewage treatment removes suspended solids?
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Biology>Ecology>Ecology and Environment>Environmental Issue
Montreal protocol was signed in 1987 for control of
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Biology>Ecology>Ecology and Environment>Environmental Issue
An increase in the concentration of the toxicant at successive trophic levels is known as:
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Biology>Ecology>Ecology and Environment>Environmental Issue
Eutrophication of water bodies leading to killing of fishes is mainly due to non-availability of
EASY
Biology>Ecology>Ecology and Environment>Environmental Issue
The zone of atmosphere in which the ozone layer is:
EASY
Biology>Ecology>Ecology and Environment>Environmental Issue
Depletion of which gas in the atmosphere can lead to an increased incidence of skin cancers?
EASY
Biology>Ecology>Ecology and Environment>Environmental Issue
Among the gases a-e, the gases that cause greenhouse effect are:
aCO2
bH2O
cCFCs
dO2
eO3
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Biology>Ecology>Ecology and Environment>Environmental Issue
A scrubber in the exhaust of a chemical industrial plant removes:
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Biology>Ecology>Ecology and Environment>Environmental Issue
Snow-blindness in Antarctic region is due to
EASY
Biology>Ecology>Ecology and Environment>Environmental Issue
One of the following is called as 'Terror of Bengal'.
MEDIUM
Biology>Ecology>Ecology and Environment>Environmental Issue
Which of the following is not a benefit of organic farming?
EASY
Biology>Ecology>Ecology and Environment>Environmental Issue
Which of the following is not one of the prime health risks associated with greater UV radiation through the atmosphere due to depletion of stratospheric ozone?
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Biology>Ecology>Ecology and Environment>Environmental Issue
A river with an inflow of domestic sewage rich in organic waste may result in:
EASY
Biology>Ecology>Ecology and Environment>Environmental Issue
 Identify the ODD term in each set and name the CATEGORY to which the remaining three belong: