CBSE
Multiple Choice QuestionsWho proved that blends of polyblend (plastic waste) and bitumen, when used to lay roads, enhanced the bitumen's water repellant properties and helped to increase road life?
Amrita Devi
Ramdeo Misra
W.H. Pearsall
Ramesh Chandra Dagan
Ramesh Chandra Dagan
The figure below is the diagrammatic representation relative contribution of various greenhouse gases to total global warming. What do (a), (b), (c) and (d) represent respectively?
A - Carbon dioxide; B - Methane; C - CFCs; D - N2O
A - Carbon dioxide; B - CFClC; C - Methane; D - N2O
A - Carbon dioxide; B - N2O ; C - CFClC; D - Methane
A - Carbon dioxide; B - Methane; C - N2O ; D - CFCs
A - Carbon dioxide; B - Methane; C - N2O ; D - CFCs
The Montreal Protocol (1987) refers to
Presistent organic pollutants
Global warming and climatic changes
Biosafety of genetically modified organisms
Controlling the emission of ozone depleting substances
Controlling the emission of ozone depleting substances
Which of the following pairs of gases is mainly responsible for green house effect?
Oxygen and nitrogen
Nitrogen and Sulphur dioxide
Carbon dioxide and Methane
Ozone and Ammonia
Which of the following protocols did aim for reducing emission of chlorofluorocarbons into the atmosphere?
Kyoto Protocol
Gothenburg Protocol
Geneva Protocol
Montreal Protocol
