Pollution and Global Warming Class 6 Standard GK Worksheet Question and Answer. We have given here Tick the correct answer, Fill in the blanks, True and False. Total marks for this worksheet is 30.
1.) Choose the correct answers:
i) The chemical that replaced chlorofluorocarbon after Montreal protocol is
a) Perfluorocarbon, b) hydrochlorophlurocarbon, c) halons, d) sulphur hexafluoride
ii) The global emissions of primary pollutants from natural sources are maximum in case of
a) Carbon dioxide, b) carbon monoxide, c) methane, d) nitric oxide
iii) The most dangerous ultraviolet ray is
a) UV-A, b) UV- B, c) UV- C, d) none of these
iv) In global warming the temperature increase in
a) Troposphere, b) ionosphere, c) stratosphere, d) mesosphere
v) The greenhouse gas which exists in highest quantity in atmosphere is
a) Methane, b) ethane, c) propane, d) carbon di oxide
vi) The gas which has positive radiative forcing or warming effect in global warming is
a) Tropospheric ozone, b) stratospheric ozone, c) sulphur dioxide, d) sulphur aerosol
vii) The increased level of carbon dioxide in environment since pre-industrial times is
a) 20% B) 30%. C) 40%, d) 50%
viii) The person who measures rate of global warming is called
a) Cartographer, b) physicist, c) climatologist, d) philosopher
ix) One of the main reasons of global warming is
a) Earth gravitation force, b) oxygen, c) radiative forcing, d) centripetal force
x) The anthropogenic radiative forcing of climate is
a) Cement, b) aerosol, c) glass, d) paper
2.) One word answers:
i) Global warming is caused due to the emission of-
ii) The gas that is released from rice fields in prominent quantities-
iii) Two major gases that contribute in greenhouse effect-
iv) Chipko movement was occurred in the region-
v) the difference between the carbon emission allowed and actual emitted carbon is called-
vi) paling of coral colour and decline in zooxanthellae due to climate change is known as-
vii) the highest percentage of gas in air is-
viii) TheTaj Mahal has been affected by-.
ix) The most polluted river in the world is-
x) CNG is considered as-
3.) Write if the statements are true or false:
i) Surface reflectance of lands causes global warming. True
ii) Changes in the composition of atmosphere is an example of internal forcing. False
iii) The main reason for melting of ice sheets and glaciers is global warming. True
iv) Desertification is one of effects of global warming. True
v) Carbon dioxide is not a greenhouse gas. False
vi) The ozone layer in atmosphere restricts ultraviolet radiation. True
vii) Chemosynthesis process is related to ozone layer formation. False
viii) The concept carbon credit is originated from Kyoto protocol. True
ix) Earth summit was held in Chicago. False
x) Global-500 award is given for achievement in the field of environmental protection. True
Answers:
1.) i) b, ii) a, iii) c, iv) a, v) d, vi) a, vii) b, viii) c, ix) c, x) b
2.) i) carbon dioxide, ii) methane, iii) carbon dioxide and methane, iv) tehrigarhwal, v) carbon credit, vi) coral bleaching, vii) nitrogen, viii) air pollution, ix) ganga, x) clean fuel
3.) i) true, ii) false, iii) true, iv) true, v) false, vi) true, vii) false, viii) true, ix) false, x) true
Also See: Class 4th GK Worksheet