Tag: environmental changes
Questions Related to environmental changes
Where is ozone layer is situated?
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Stratosphere
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Lithosphere
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Toposphere
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none of these
Ozone is a protective blanket that is present in the stratosphere which protects earth from harmful effects of UV radiations that are present in sunlight.
Chlorofluorocarbons and other halogenated compounds cause ozone depletion.
Formation of ozone hole is maximum over _____________.
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India
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Australia
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Antarctica
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Europe
Ozone is a protective blanket that is present in stratosphere which protects Earth from harmful effects of UV radiations that are present in sun light.
Ozone holes are formed in Antarctica and these are due to special clouds that form in the stratosphere called polar stratospheric clouds. Clouds usually do not form in stratosphere, this can happen only at such low temperatures. These clouds accumulate pollutants resulting in formation of ozone holes.
Ozone depletion generally occurs in ________.
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Biosphere
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Atmosphere
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Stratosphere
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Microsphere
- Stratosphere is the region of atmosphere where ozone layer is present, hence ozone depletion occurs in stratosphere.
- Biosphere is the region of surface and atmosphere of earth occupied by living organisms, hence unrelated to the question.
- Atmosphere is a broad term which becomes irrelevant when already a specific option ie stratosphere, is given in the choices.
- Microsphere is a small particle which has a different environment than its surroundings, hence incorrect.
When was India's first National Action Plan on Climate Change (NAPCC) launched?
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2001
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2006
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2008
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2010
The Government of India in its efforts to combat climate change launched its Nationwide programme on 30th June 2008. It was called the 'The National Action Plan on Climate Change'. It was adopted to address the future policies and programmes for climate change mitigation and adoption. The NAPCC comprises of 8 missions to accomplish the goals.
Global warming mainly caused by ___________.
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greenhouse gases
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global gases
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green gases
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None of the above
The greenhouse is the body which allows the shortwave incoming solar radiation to come but does not allow the longwave outgoing terrestrial infrared radiation to escape. Carbon dioxide, water vapour etc are the main gases of the greenhouse. The amount of greenhouse gases is increasing day by day which causes the increase of the temperature of the earth. In this way, global warming mainly caused by greenhouse gases.
Identify the primary cause of global warming.
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Emission of $CO _2$
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Emission of $O _2$
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Both a and b
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None of these
Global warming refers to a gradual rise in atmospheric and ground surface air temperature. Emission of Carbon dioxide is one of the primary cause of global warming. As this gas allows the shortwave incoming solar radiation but does not allow the longwave outgoing terrestrial infrared radiation to escape. Thus an increase of carbon dioxide gas also increases in temperature of the earth which causes global warming.
Destruction of ozone is ________ cause of global warming.
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Primary
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Secondary
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Tertiary
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None of these
Secondary,
Ozone destruction is caused by mainly _________.
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Methane
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Nitrous oxide
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Both A and B
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None of these
Methane and Nitrous oxide.
The ozone layer is affected because of chemicals called __________.
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Environmental
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Carbon dioxide
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Chlorofluorocarbons
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Nitrogen
Which one of the following contributes to the greenhouse effect?
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Oxygen
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Nitrogen
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Argon
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Carbon dioxide
Carbon dioxide,