To prepare for this section students are advised to go through the class XI and XII NCERT biology books which has some of the chapters on Environment. The aspirants are also suggested to go through the web sites of various international environmental organizations and conventions like UNFCCC(United Nations Framework Convention on Climate Change), CITES(Convention for International Trade in Endangered Species), WWF, Ramsar Convention, Stockholm Convention, Nairobi Convention for ship breaking, Kyoto Protocol, in order to know the latest developments in this field.
Question Type
The formation of ozone hole in the Antarctic region has been a cause of concern. What could be the reason for the formation of this hole?
(a) Presence of prominent tropo-spheric turbulence; and inflow of chlorofluorocarbons
(b) Presence of .prominent polar front and stratospheric': Clouds; and inflow of chlorofluorocarbons
(c) Absence of polar front and stratospheric clouds; and inflow of methane and chlorofluorocarbons
(d) Increased temperature at polar region due to golbal warming
Ans: b
Regarding "carbon credits", which one of the following statements is not correct?
(a) The carbon credit system was ratified in conjunction with the Kyoto Protocol
(b) Carbon credits are awarded to countries or groups that have reduced greenhouse gases below their emission quota
(c) The goal of the carbon credit system is to limit the increase of carbon dioxide emission
(d) Carbon credits are traded at a price fixed from time to time by the United Nations Environment Programme
Ans: d
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