Part-1-Multiple Choice Questions

Name of the student ID

COL-260 QUIZ-3

PART-1-MULTIPLE CHOICE QUESTIONS

1) ‘‘The world’s most industrialized and developed countries are the major contributors of the green house gases’’ The above statement is a) True b) False

2) What can people do to help reduce the air pollution?  a. Use buses and trains instead of cars  b. Have regular light bulbs  c. Use very often the air conditional

3) Ozone is good in the ______, but a pollutant in the ______.  a) Mesosphere; troposphere  b) Mesosphere; stratosphere  c) Stratosphere; troposphere  d) Troposphere; stratosphere  4) Carbon monoxide is a pollutant because: - a) It reacts with hemoglobin b) It causes cancer c) It reacts with oxygen d) It makes the nervous system inactive

5) Which among these is a natural cause of air pollution? a) Forest fires b) Oil spills c) Fossil fuels

6) Which of the following is not a contributor to the green house gases? a) Carbon dioxide b) Carbon monoxide c) Nitrous oxide d) Methane

7) Which of the following is a secondary pollutant? a) Carbon dioxide b) Carbon monoxide c) Ozone d) Sulphur dioxide 8) Air pollution can be: - a) Natural b) Anthropogenic c) Both a and b

9) Ozone depletion is caused by: - a) Chlorofluorocarbons b) Carbon dioxide c) Sulfur dioxide d) Oxygen

10) Which gas is present in largest amount in earth’s atmosphere? a) Nitrogen b) Oxygen c) Carbon dioxide d) Carbon monoxide

11) ______and______mix with water vapor in the air to produce acid rain a) Carbon and oxygen b) Nitrogen and oxygen c) Nitrogen and sulphur

12) Ozone layer helps us by protecting us from: - a) Germs b) Ultraviolet radiations of the sun c) Gamma rays d) X-rays

13) Green house effect helps us in: -

a) Keeping the temperature on earth balanced b) Growing vegetables c) Protecting us from the UV rays d) Making the planet green

14) Trees are important to avoid global warming because they absorb a) Carbon dioxide b) Sunlight c) Water d) Oxygen

15) Photochemical smog is formed when primary pollutants interact with: - a) Sunlight b) Carbon c) Oxygen d) Nitrogen 16) The KYOTO PROTOCOL is an agreement between countries with an objective to reduce or stabilize: - a) Smoking b) Waste c) Oil spills d) Green house gases

PART-2

Q.17) List the major sources of the following outdoor pollutants. (3 pts) a) Carbon monoxide (CO)- b) Nitrogen oxides (NOX)- c) Volatile organic compounds (VOC)-

Q.18) How is photochemical smog caused? What are the effects of smog? ( 3pts)

Q.19) What are the major arguments related to the KYOTO PROTOCOL? (3 pts)