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NEET

Environmental Issues

Biology

Previous Years Questions

MCQ (Single Correct Answer)

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Dobson units are used to measure thickness of :
NEET 2021
In water hyacinth and water lily, pollination takes place by :
NEET 2020 Phase 1
Montreal protocol was signed in 1987 for control of
NEET 2020 Phase 1
Snow-blindness in Antarctic region is due to
NEET 2020 Phase 1
Which of these following methods is the most suitable for disposal of nuclear waste?
NEET 2019
Which of the following pairs of gases is mainly responsible for green house effect?
NEET 2019
Which one of the following equipments is essentially required for growing microbes on a large scale, for industrial prod...
NEET 2019
Polyblend, a fine powder of recycled modified plastic, has proved to be a good material for :
NEET 2019
Which of the following protocols did aim for reducing emission of chlorofluorocarbons into the atmosphere?
NEET 2019
Due to increasing air-borne allergens and pollutants, many people in urban areas are suffering from respiratory disorder...
NEET 2019
Match the items given in column I with those in column II and select the correct option given below. .tg {border-colla...
NEET 2018
Which of the following is a secondary pollutant?
NEET 2018
In stratosphere, which of the following elements acts as a catalyst in degradation of ozone and release of molecular oxy...
NEET 2018
World Ozone Day is celebrated on
NEET 2018
Which one of the following statements is not valid for aerosols ?
NEET 2017
Joint Forest Management Concept was introduced in India during :
NEET 2016 Phase 1
A river with an inflow of domestic sewage rich in organic waste may result in -
NEET 2016 Phase 1
Depletion of which gas in the atmosphere can lead to an increased incidence of skin cancers
NEET 2016 Phase 1
The highest DDT concentration in aquatic food chain shall occur in
NEET 2016 Phase 2
Biochemical Oxygen Demand (BOD) may not be a good index for pollution for water bodies receiving effluents from
NEET 2016 Phase 2
A lake which is rich in organic waste may result in
NEET 2016 Phase 2
Which of the following is not one of the prime health risks associated with greater UV radiation through the atmosphere ...
AIPMT 2015 Cancelled Paper
Rachel Carson's famous book "Silent Spring" is related to:
AIPMT 2015 Cancelled Paper
High value of BOD (Biochemical Oxygen Demand) indicates that :
AIPMT 2015 Cancelled Paper
Which of the following are most suitable indicators of SO2 pollution in the environment?
AIPMT 2015
The UN Conference of Parties on climate change in the year 2011 was held in :
AIPMT 2015 Cancelled Paper
Increase in concentration of the toxicant at successive trophic levels is known as :
AIPMT 2015
The UN conference of Parties on climate change in the year 2012 was held at :
AIPMT 2015
Eutrophication of water bodies leading to killing of fishes is mainly due to nonavailability of -
AIPMT 2015
Acid rain is caused by increase in the atmospheric concentration of -
AIPMT 2015
A scrubber in the exhaust of a chemical industrial plant removes :
AIPMT 2014
A location with luxuriant growth of lichens on the trees indicates that the :
AIPMT 2014
The zone of atmosphere in which the ozone layer is present is called :
AIPMT 2014
Which one of the following is not correct as regards the harmful effects of particulate matter of the size 2.5 micro met...
NEET 2013 (Karnataka)
Climate of the world is threatened by :
NEET 2013 (Karnataka)
The second commitment period for Kyoto Protocol was decided at :
NEET 2013 (Karnataka)
Global warming can be controlled by :
NEET 2013
The Air Prevention and control of pollution Act came into force in :
NEET 2013
Kyoto-Protocol was endorsed at :
NEET 2013
Which one of the following is a wrong statement?
AIPMT 2012 Prelims
In an area where DDT had been used extensively, the population of birds declined significantly because :
AIPMT 2012 Prelims
Measuring biochemical oxygen demand (BOD) is a method used for
AIPMT 2012 Prelims
Which one of the following is correct expanded forms of the following acronyms ?
AIPMT 2011 Prelims
''Good ozone'' is found in the :
AIPMT 2011 Mains
Which one of the following statements is wrong in case of Bhopal tragedy ?
AIPMT 2011 Prelims
Which one of the following pairs of gases are the major cause of "Green house effect"?
AIPMT 2011 Prelims
Eutrophication is often seen in :
AIPMT 2011 Prelims
When domestic sewage mixes with river water -
AIPMT 2010 Mains
The two gases making highest relative contribution to the green house gases are –
AIPMT 2010 Prelims
dB is a standard abbreviation used of the quantitative expression of –
AIPMT 2010 Prelims
A renewable exhaustible natural resource is –
AIPMT 2010 Prelims
DDT residues are rapidly passed through food chain causing biomagnification because DDT is :
AIPMT 2009
Chipko movement was launched for the protection of -
AIPMT 2009
Montreal protocol aims at :
AIPMT 2009
Biochemical Oxygen Demand (BOD) in a river water :
AIPMT 2009
Step taken by the Government of India to control air pollution include :
AIPMT 2009
Global agreement in specific control strategies to reduce the release of ozone depleting substances, was adopted by :
AIPMT 2009
Which one of the following is the correct percentage of the two (out of the total of 4) greenhouse gases that contribute...
AIPMT 2008
According to Central Pollution Control Board (CPCB), which particulate size in diameter (in micrometers) of the air poll...
AIPMT 2008
A lake near a village suffered heavy mortality of fishes within a few days. Consider the following reasons for this? (i...
AIPMT 2008
In a coal fired power plant electrostatic precipitators are installed to control emission of:-
AIPMT 2007
Which one of the following statements is correct ?
AIPMT 2007
Which one of the following is not a bioindicator of water pollution ?
AIPMT 2007
In which one of the following the BOD (Biochemical Oxygen Demand) of sewage (S), distillery effluent (DE), paper mill ef...
AIPMT 2007
Photochemical smog pollution does not contain-
AIPMT 2006
Montreal Protocol which calls for appropriate action to protect the ozone layer from human activities was passed in the ...
AIPMT 2006
Limit of BOD prescribed by Central Pollution Control Board for the discharge of industrial and municipal waste waters in...
AIPMT 2006
Which one of the following pairs is mismatched ?
AIPMT 2005
Identify the correctly matched pair -
AIPMT 2005
Which of the following is not used for disinfection of drinking water ?
AIPMT 2005
Prolonged liberal irrigation of agricultural fields is likely to create the problem of -
AIPMT 2005
Common indicator organism of water pollution is :-
AIPMT 2004
Lead concentration in blood is considered alarming if it is -
AIPMT 2004
In 1984, the Bhopal gas tragedy took place because methyl isocyanate :-
AIPMT 2004
Escherichia coli is used as an indicator organism to determine pollution of water with ;-
AIPMT 2003
Fluoride pollutions mainly affects : -
AIPMT 2003
Maximum green house gas released by which country :
AIPMT 2002
Which of the following is absent in polluted water ?
AIPMT 2002
What is the intensity of sound in normal conversation ?
AIPMT 2001
What is B.O.D ?
AIPMT 2001
Which is the cause of damage to relative biological effectiveness ?
AIPMT 2000

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