[{"id":173918,"question":"Which of the following can be used as a fuel?","choices":[{"text":"Methanol","value":"A"},{"text":"Ethanol","value":"B"},{"text":"Bio-diesel","value":"C"},{"text":"All of them","value":"D"},{"value":"E"}],"correctAnswer":4},{"id":173917,"question":"Which gas is produce by the electrical lightening of air.","choices":[{"text":"NO","value":"A"},{"text":"SO<sub>2</sub>","value":"B"},{"text":"SO<sub>3</sub>","value":"C"},{"text":"CO<sub>2</sub>","value":"D"},{"value":"E"}],"correctAnswer":1},{"id":173916,"question":"Which is not a character of SO<sub>2</sub>","choices":[{"text":"it is a colourless gas","value":"A"},{"text":"It has irritating smell","value":"B"},{"text":"It causes suffocation","value":"C"},{"text":"It do not form sulphuric acid","value":"D"},{"value":"E"}],"correctAnswer":4},{"id":173915,"question":"The percentage of SO<sub>2 </sub>released by the combustion of coal and petroleum product.","choices":[{"text":"40%","value":"A"},{"text":"60%","value":"B"},{"text":"70%","value":"C"},{"text":"80%","value":"D"},{"value":"E"}],"correctAnswer":4},{"id":173914,"question":"The recombination of O and O<sub>2</sub> in mid stratosphere is an","choices":[{"text":"Exothermic reaction","value":"A"},{"text":"Endothermic reaction","value":"B"},{"text":"Heat absorbing process","value":"C"},{"text":"None of these","value":"D"},{"value":"E"}],"correctAnswer":1},{"id":173913,"question":"The region of ozone decomposition in stratosphere is.","choices":[{"text":"20 km","value":"A"},{"text":"30 km","value":"B"},{"text":"40 km","value":"C"},{"text":"50 km","value":"D"},{"value":"E"}],"correctAnswer":3},{"id":173912,"question":"Major portion of ozone layer is foun in.","choices":[{"text":"Troposphere","value":"A"},{"text":"Stratosphere","value":"B"},{"text":"Mesosphere","value":"C"},{"text":"Thermosphere","value":"D"},{"value":"E"}],"correctAnswer":2},{"id":173911,"question":"Almost all air crafts fly in which reion?","choices":[{"text":"Troposphere","value":"A"},{"text":"Stratosphere","value":"B"},{"text":"Mesosphere","value":"C"},{"text":"Thermosphere","value":"D"},{"value":"E"}],"correctAnswer":1},{"id":173910,"question":"At which region all weather occurs?","choices":[{"text":"Troposphere","value":"A"},{"text":"Stratosphere","value":"B"},{"text":"Mesosphere","value":"C"},{"text":"Thermosphere","value":"D"},{"value":"E"}],"correctAnswer":1},{"id":173909,"question":"Which gas is responsible in warming the atmosphere?","choices":[{"text":"Nitrogen","value":"A"},{"text":"Hydrogen","value":"B"},{"text":"Helium","value":"C"},{"text":"Fluorine","value":"D"},{"value":"E"}],"correctAnswer":1},{"id":173908,"question":"What gas is the major constituent of troposphere?","choices":[{"text":"Nitrogen","value":"A"},{"text":"Oxygen","value":"B"},{"text":"Hydrogen","value":"C"},{"text":"Both a and b","value":"D"},{"value":"E"}],"correctAnswer":4},{"id":173907,"question":"Mesosphere has a temperature range.","choices":[{"text":"17 <sup>o</sup>C - 58<sup>o</sup>C","value":"A"},{"text":"58<sup>o</sup>C - 2<sup>o</sup>C","value":"B"},{"text":"2<sup>o</sup>C - 93<sup>o</sup>C","value":"C"},{"text":"- 93<sup>o</sup>C","value":"D"},{"value":"E"}],"correctAnswer":3}]