[{"id":173882,"question":"About 99% atmosphere's lies within:","choices":[{"text":"30 kilometre","value":"A"},{"text":"35 kilometre","value":"B"},{"text":"15kilometre","value":"C"},{"text":"11 kilometre","value":"D"},{"value":"E"}],"correctAnswer":1},{"id":38147,"question":"Ozone id beneficial for us as it:","choices":[{"text":"absorbs infrared radiations","value":"A"},{"text":"absorbs ultraviolet radiation ","value":"B"},{"text":"absorbs chlorofluorocarbons","value":"C"},{"text":"absorbs air pollutants","value":"D"},{"value":"E"}],"correctAnswer":2},{"id":38146,"question":"Normal rain water is:","choices":[{"text":"weakly acidic","value":"A"},{"text":"strongly acidic","value":"B"},{"text":"weakly basic","value":"C"},{"text":"strongly basic","value":"D"},{"value":"E"}],"correctAnswer":1},{"id":38145,"question":"Which gas like a glass wall of g green house:","choices":[{"text":"CO","value":"A"},{"text":"O2","value":"B"},{"text":"CO2","value":"C"},{"text":"N2","value":"D"},{"value":"E"}],"correctAnswer":4},{"id":38144,"question":"A strange bitter smell noticed near photocopiers is of:","choices":[{"text":"SO2","value":"A"},{"text":"H2S","value":"B"},{"text":"O2","value":"C"},{"text":"O3","value":"D"},{"value":"E"}],"correctAnswer":4},{"id":38143,"question":"ozone depletion (i.e O3--------------> O2 + O) occurs in:","choices":[{"text":"lower stratosphere","value":"A"},{"text":"middle stratosphere","value":"B"},{"text":"upper stratosphere","value":"C"},{"text":"troposphere","value":"D"},{"value":"E"}],"correctAnswer":3},{"id":38142,"question":"Almost all aircrafts fly in:","choices":[{"text":"troposphere","value":"A"},{"text":"mesosphere","value":"B"},{"text":"stratosphere","value":"C"},{"text":"themosphere","value":"D"},{"value":"E"}],"correctAnswer":1},{"id":38141,"question":"The major constituents of troposphere are:","choices":[{"text":"carbon dioxide and argon","value":"A"},{"text":"nitrogen and oxygen","value":"B"},{"text":"argon and oxygen","value":"C"},{"text":"carbon dioxide and oxygen","value":"D"},{"value":"E"}],"correctAnswer":2},{"id":38140,"question":"Mesophere extend forms 50 km to:","choices":[{"text":"50 km","value":"A"},{"text":"12 km","value":"B"},{"text":"60 km","value":"C"},{"text":"85 km","value":"D"},{"value":"E"}],"correctAnswer":4},{"id":38139,"question":"In the troposphere (lowest layer), the temperature decreases form 17°C to;","choices":[{"text":"-58°C","value":"A"},{"text":"-93°C","value":"B"},{"text":"-61°C","value":"C"},{"text":"-49°C","value":"D"},{"value":"E"}],"correctAnswer":1},{"id":38138,"question":"How much amount of sunlight reaches up to earth and absorbed:","choices":[{"text":"26%","value":"A"},{"text":"32%","value":"B"},{"text":"50%","value":"C"},{"text":"18%","value":"D"},{"value":"E"}],"correctAnswer":3},{"id":38137,"question":"Percentage of nitrogen in atmosphere is:","choices":[{"text":"20.94%","value":"A"},{"text":"78.09%","value":"B"},{"text":"0.93%","value":"C"},{"text":"0.03%","value":"D"},{"value":"E"}],"correctAnswer":2},{"id":38136,"question":"Atmosphere is divided into;","choices":[{"text":"3 regions","value":"A"},{"text":"4 regions","value":"B"},{"text":"5 regions","value":"C"},{"text":"6 regions","value":"D"},{"value":"E"}],"correctAnswer":2}]