Q. Without greenhouse effect, the average temperature of earth’s surface would be

a) 00C

b) -180C

c) 50C

d) -200C

Answer: b) -180C

Q. Carbon dioxide is called a greenhouse gas because

a) its concentration remains always higher than other gases

b) it is used in photosynthesis

c) it absorbs infrared radiation

d) it emits visible radiation

Answer: c) it absorbs infrared radiation

Q. Which of the following is not a major greenhouse gas?

a) Carbon dioxide

b) Methane

c) Calcium carbonate

d) Water vapour

Answer: c) Calcium carbonate

Q. Which of the following is not a Greenhouse gas?

a) Carbon dioxide

b) Sulphur dioxide

c) Methane

d) All of these

Answer: b) Sulphur dioxide

Q. Which among the following is the most abundant Greenhouse Gas (GHG) in the Earth’s atmosphere?

a) Carbon dioxide

b) Water vapour

c) Sulphur dioxide

d) Tropospheric zone

Answer: b) Water vapour

Q. Climate change is caused by

a) Greenhouse gases

b) Depletion of ozone layer

c) Pollution

d) All of the above

Answer: d) All of the above

Q. Who had suggested that shifting Earth on its axis is one of the factors, responsible for the climatic change?

a) Robert Hooke

b) Milutin Milankovic

c) George Simpson

d) TC Chamberlin

Answer: b) Milutin Milankovic

Q. Which one of the following provides the cryogenic indicator of climate change?

a) Ice core

b) Fossilised pollen

c) Tree ring growth

d) Evaporate deposit

Answer: a) Ice core

Q. Which of the following is not related to the astronomical theories of climate change?

a) Eccentricity of earth’s orbit

b) Obliquity of earth’s rotational axis

c) Precession of equinoxes

d) Solar irradiance

Answer: d) Solar irradiance

Q. Which human activity is most affected by climate?

a) Fishing

b) Mining

c) Manufacturing

d) Farming

Answer: d) Farming

Q. Following is the most widely discussed impact of climate change

a) increase in average sea level

b) deforestation

c) soil erosion

d) none of the above

Answer: a) increase in average sea level

Q. Which of the following represents the average increase in earth’s temperature during the last century?

a) 0.6 degree Celsius

b) 0.7 degree Celsius

c) 0.8 degree Celsius

d) 0.9 degree Celsius

Answer: c) 0.8 degree Celsius

Q. Sea level is expected to rise because of warmer climate due to the following

a) Oceans expand as they get warmer

b) Glaciers and ice-sheets melt

c) Both (a) and (b)

d) None of the above

Answer: c) Both (a) and (b)

Q. Global warming is expected to result in

a) increase in level of sea

b) change in crop pattern

c) change in coastline

d) all of the above

Answer: d) all of the above

Q. The ‘Global Warming’ is due to

a) heavy rainfall

b) increase in carbon dioxide

c) decrease in carbon dioxide

d) increase in forestation

Answer: b) increase in carbon dioxide

Q. As a result of global warming, the frequency and severity of which of the following are due to global warming?

a) cyclones only

b) storms only

c) hurricanes only

d) all of these

Answer: d) all of these

Q. Which gas is responsible for global warming?

a) O2

b) O2 and CO2

c) CO2 and CH4

d) CH4

Answer: c) CO2 and CH4

Q. Which of the following gas has highest contribution in global warming?

a) Carbon dioxide

b) Chlorofluorocarbon

c) Nitrous oxide

d) Methane

Answer: a) Carbon dioxide

Q. In absorption of insolation, the most significant part is played by

a) carbon dioxide

b) ozone

c) oxygen

d) haze

Answer: a) carbon dioxide

Q. Which of the following has highest contribution in global warming?

a) Carbon dioxide

b) Chlorofluorocarbon

c) Nitrous oxide

d) Methane

Answer: a) Carbon dioxide

Q. Which one of the following is not responsible for global warming?

a) Methane

b) Water vapour

c) Argon

d) Carbon dioxide

Answer: c) Argon

Q. Which one among the following substances does not contribute to global warming?

a) Oxides of Sulphur and Nitrogen

b) Methane

c) Carbon dioxide

d) Water vapour

Answer: a) Oxides of Sulphur and Nitrogen

Q. Which one of the following is the most fragile ecosystem that will be first affected by global warming?

a) Arctic and Greenland Ice sheet

b) Amazon rain forest

c) Taiga

d) Indian Monsoon

Answer: a) Arctic and Greenland Ice sheet

Q. Controlling global warming by cloud brightening over Pacific Ocean through geo-engineering. Which substances is used for this?

a) Silver salt

b) Iron powder

c) Sea Water

d) Gypsum

Answer: c) Sea Water

Q. The hockey stick graph indicates

a) increase in population

b) increase in urban areas

c) increase in sea level

d) increase in global temperature

Answer: d) increase in global temperature

Q. Which one of the following is the cause of long-term sea-level change?

a) Atmospheric disturbance

b) Change in marine water density

c) Melting of icebergs

d) Melting of ice sheets

Answer: b) Change in marine water density

Q. Methane is emitted from which of the following?

a) Paddy fields only

b) Termitary only

c) Both (a) and (b)

d) None of these

Answer: c) Both (a) and (b)

Q. The concept of greenhouse gases was postulated by

a) CC Park

b) JN N Jeffers

c) Joseph Fourier

d) L Zobler

Answer: c) Joseph Fourier

Q. Name the gas released from landfills, A molecule of this gas has 21 times more global warming potential than a molecule of CO2

a) Sulphur dioxide

b) Methane

c) Ammonia

d) Nitrous oxide

Answer: b) Methane

Q. The greenhouse gas that is a product of the combustion of fossil fuels is

a) CO2

b) CH4

c) O3

d) N2O

Answer: a) CO2