Levels of Noise – MCQ 1. What is the mathematical expression of sound level in decibels? a) b) c) d) 2. What is the unit of intensity of sound? a) Pascal.b) Decimal.c) Decibels.d) Bels/meter. 3. What is the mathematical expression of sound intensity level in decibels? a) b) c) d) 4. Which of the following…
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E-Waste – MCQ 1. E-waste is also known as a) Electronic waste.b) Essential waste.c) European waste.d) Household waste. 2. Which one of the following is an example of e-waste? a) Nuclear wastes, medical wastes, toxic industrial wastes, etc.b) Plastic bags, cardboard boxes, corroded metals, etc.c) Beverage cans, packaged boxes, plastic bottles, etc.d) Sensors, alarms, sirens,…
Kyoto Protocol -MCQ 1. What is the main aim of the Kyoto protocol? a) To prevent ozone depletion.b) To increase carbon dioxide emissions.c) To reduce greenhouse gases.d) To eradicate the use of CFCs and halons. 2. When the Kyoto protocol was held for the first time? a) December 1997.b) November 1997.c) December 1995.d) November 1995….
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Montreal Protocol – MCQ 1 What do you mean by Montreal Protocol? a) It is a place in Montreal.b) International Treaty for controlling ozone depletion.c) It is a rulebook for sustainable development.d) None of the above. 2. When was the Montreal Protocol adopted? a) 12 August 1987.b) 01 June 1987.c) 16 September 1987.d) 17 October…
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Ozone Depletion – MCQ 1. Which one of the following is considered as the most dreaded aspect of air pollution? a) Ozone depletion.b) Global warming.c) Climate change.d) Acid rain. 2. What do you understand by the term ‘ozone depletion? a) Reduction of ozone gas present in the atmosphere.b) Reduction of industrial ozone production.c) Reduction of…
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Global Warming and Climate Change – MCQ 1. What do you understand by the term “global warming”? a) Melting of the glaciers.b) Rise in temperature of the earth’s atmosphere.c) Ozone layer depletion.d) Depletion of natural resources. 2. Which option is false regarding greenhouse gases? a) Greenhouse gases are necessary for our survival.b) Earth’s atmosphere would…
Acid Rain – MCQ 1. Clean unpolluted rainwater is considered to be slightly acidic in nature. This slight acidity is caused by a) Equilibrium reaction between H2O and CO2.b) Due to the presence of SO2 and NOx gases.c) Ozone depletion and Global warming.d) None of the above. 2. Point out the primary and secondary pollutants…
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