1) What is full form of CFC a) Chemicalfluorocarbon b) Chlorofluorocarbon c) Chlorofluorocalcium d) Chlorofluoridecarbon 2) In last 100 years the average temperature of the earth has risen by how much degree a) 1 b) 2 c) 3 d) 4 3) Water vapour/ Methane / Ozone causes a) 25%-55% greenhouse effect b) 35%-75% greenhouse effect  c) 45%-65% greenhouse effect d) 15%-95% greenhouse effect 4) Ozone is found in the a) Troposphere b) Stratosphere c) Mesosphere d) Thermosphere 5) Which gas is used in refrigerator/car engine a) CFC b) Ozone c) Methane d) Carbon dioxide 6) Many countries have signed agreements aimed at reducing greenhouse gases. One such agreement is a) Paris protocol b) London protocol c) Kyoto protocol d) None 7) Due to pollution, white marble of the Taj Mahal is turning into a) Black b) Pink c) Blue d) Yellow 8) The Chipko movement is related to a) Saving trees b) Saving water c) Saving animals d) None of these 9) A greenhouse is a glasshouse where we grow plants, especially during a) Summer b) Winter c) Spring d) Moonsoon 10) In next century, temperature of the earth will rise a) 7 degree Fahrenheit  b) 8 degree Fahrenheit c) 9 degree Fahrenheit d) None of these

Changes in our environment

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