[{"id":173942,"question":"Which pollutant is responsible for changing weather?","choices":[{"text":"Air pollutant","value":"A"},{"text":"Water pollutant","value":"B"},{"text":"Soil pollutant","value":"C"},{"text":"All of them","value":"D"},{"value":"E"}],"correctAnswer":1},{"id":173941,"question":"Which factor determines the severity of a pollutant?","choices":[{"text":"Chemical nature","value":"A"},{"text":"concentration","value":"B"},{"text":"Persistence","value":"C"},{"text":"All of them","value":"D"},{"value":"E"}],"correctAnswer":4},{"id":173940,"question":"A pollutant is a waste material that pollutes.","choices":[{"text":"Air","value":"A"},{"text":"Water","value":"B"},{"text":"Soil","value":"C"},{"text":"All of them","value":"D"},{"value":"E"}],"correctAnswer":4},{"id":173939,"question":"Ozone layer is not found is","choices":[{"text":"Upper stratosphere","value":"A"},{"text":"Mid stratosphere","value":"B"},{"text":"Lower stratosphere","value":"C"},{"text":"All of them","value":"D"},{"value":"E"}],"correctAnswer":3},{"id":173938,"question":"In the bacterial decay, the compound of which element are emitted.","choices":[{"text":"Sulphur","value":"A"},{"text":"Carbon","value":"B"},{"text":"Nitrogen","value":"C"},{"text":"All of them","value":"D"},{"value":"E"}],"correctAnswer":1},{"id":173937,"question":"Which gas is also known as life gas for plants.","choices":[{"text":"CO","value":"A"},{"text":"CO<sub>2</sub>","value":"B"},{"text":"O<sub>2</sub>","value":"C"},{"text":"NO<sub>2</sub>","value":"D"},{"value":"E"}],"correctAnswer":2},{"id":173936,"question":"Catalytic converters convert.","choices":[{"text":"CO to CO<sub>2</sub>","value":"A"},{"text":"N<sub>2</sub> to NO","value":"B"},{"text":"CO<sub>2</sub> to CO","value":"C"},{"text":"N<sub>2</sub>to NO<sub>2</sub>","value":"D"},{"value":"E"}],"correctAnswer":1},{"id":173935,"question":"Higher concentration of CO causes.","choices":[{"text":"Fatique","value":"A"},{"text":"Headache","value":"B"},{"text":"Both of them","value":"C"},{"text":"None of them","value":"D"},{"value":"E"}],"correctAnswer":3},{"id":173934,"question":"Which is the major effect of global warming?","choices":[{"text":"Increase in temperature.","value":"A"},{"text":"Rise in sea level","value":"B"},{"text":"Melting of glaciers","value":"C"},{"text":"All of them","value":"D"},{"value":"E"}],"correctAnswer":4},{"id":173933,"question":"The green house effect is proportional to the amount of which gas in air.","choices":[{"text":"CO<sub>2</sub>","value":"A"},{"text":"O<sub>2</sub>","value":"B"},{"text":"N<sub>2</sub>","value":"C"},{"text":"All of them","value":"D"},{"value":"E"}],"correctAnswer":1},{"id":173932,"question":"By the increase in the concentration of CO<sub>2</sub> in air.","choices":[{"text":"Decrease in heat energy","value":"A"},{"text":"Increase in heat energy.","value":"B"},{"text":"Heat energy remains same","value":"C"},{"text":"None of them","value":"D"},{"value":"E"}],"correctAnswer":2},{"id":173931,"question":"Which gas acts as a glass wall of a green house?","choices":[{"text":"Oxygen","value":"A"},{"text":"Carbon dioxides","value":"B"},{"text":"sulphur dioxide","value":"C"},{"text":"Hydrogen","value":"D"},{"value":"E"}],"correctAnswer":2}]