[{"id":23112,"question":"The largest amount of reflection of the solar radiant energy which is reflected back into space before reaching the earth's surface is due to:&nbsp;","choices":[{"text":"Clouds","value":"A"},{"text":"Water bodies","value":"B"},{"text":"Snow areas","value":"C"},{"text":"None of these","value":"D"},{"value":"E"}],"correctAnswer":1},{"id":23111,"question":"Antipodes are:","choices":[{"text":"Places diametrically opposite on earth surface&nbsp;","value":"A"},{"text":"Lines joining places having a time difference","value":"B"},{"text":"Lines joining places having the same depth","value":"C"},{"text":"None of these","value":"D"},{"value":"E"}],"correctAnswer":1},{"id":23110,"question":"Owing to the equatorial bulge and the polar flattening,the polar radius of the earth falls short of the equatorial radius about:","choices":[{"text":"22 km","value":"A"},{"text":"36 km","value":"B"},{"text":"40 km","value":"C"},{"text":"45 km","value":"D"},{"value":"E"}],"correctAnswer":1},{"id":23109,"question":"Geostationary orbit is at a height of:&nbsp;","choices":[{"text":"6 km","value":"A"},{"text":"100 km","value":"B"},{"text":"3000 km","value":"C"},{"text":"3600 km","value":"D"},{"value":"E"}],"correctAnswer":4},{"id":23108,"question":"The distance between the earth and the sun is smallest in the month of:","choices":[{"text":"March","value":"A"},{"text":"June","value":"B"},{"text":"July","value":"C"},{"text":"August","value":"D"},{"value":"E"}],"correctAnswer":2},{"id":23107,"question":"The study of time in relation to earth's history is called:","choices":[{"text":"Geochronology","value":"A"},{"text":"Geohistology","value":"B"},{"text":"Geography","value":"C"},{"text":"None of these","value":"D"},{"value":"E"}],"correctAnswer":1},{"id":23106,"question":"The earth revolves round the sun in its orbit by approximately:","choices":[{"text":"1<span style=\"line-height: 1.5;\">° per day</span>","value":"A"},{"text":"2<span style=\"line-height: 1.5;\">° per day</span>","value":"B"},{"text":"3<span style=\"line-height: 1.5;\">° per day</span>","value":"C"},{"text":"4<span style=\"line-height: 1.5;\">° per day</span>","value":"D"},{"value":"E"}],"correctAnswer":1},{"id":23105,"question":"Vernal Equinox occurs on:","choices":[{"text":"December 21","value":"A"},{"text":"March 21","value":"B"},{"text":"June 8","value":"C"},{"text":"July 14","value":"D"},{"value":"E"}],"correctAnswer":2},{"id":23104,"question":"The specific gravity of the earth as a whole is:","choices":[{"text":"4.50","value":"A"},{"text":"4.65","value":"B"},{"text":"5.52","value":"C"},{"text":"6.68","value":"D"},{"value":"E"}],"correctAnswer":3},{"id":23103,"question":"Which of the following pairs of metals are supposed to constitute the internal core of the earth:&nbsp;","choices":[{"text":"Chromium&nbsp;","value":"A"},{"text":"Nickle and Iron","value":"B"},{"text":"Iron and copper","value":"C"},{"text":"Magnesium and lead","value":"D"},{"value":"E"}],"correctAnswer":2},{"id":23102,"question":"The polar diameter of the earth is shorter than equatorial diameter by about:","choices":[{"text":"40 km","value":"A"},{"text":"43 km","value":"B"},{"text":"48 km","value":"C"},{"text":"53 km","value":"D"},{"value":"E"}],"correctAnswer":2},{"id":23101,"question":"The place which has the longest day and the shortest night on 22nd December is:","choices":[{"text":"Melbourne","value":"A"},{"text":"Dehli","value":"B"},{"text":"Tokyo","value":"C"},{"text":"Madrid","value":"D"},{"value":"E"}],"correctAnswer":1},{"id":23100,"question":"The approximate diameter of the earth is:","choices":[{"text":"12756 km","value":"A"},{"text":"14500 km","value":"B"},{"text":"14000 km","value":"C"},{"text":"16500 km","value":"D"},{"value":"E"}],"correctAnswer":1},{"id":23099,"question":"The surface of earth the lies between the Tropic of Cancer and the Tropic of Capricorn is called:","choices":[{"text":"Torrid zone","value":"A"},{"text":"Frigid zone","value":"B"},{"text":"Temperate zone","value":"C"},{"text":"South temperate zone","value":"D"},{"value":"E"}],"correctAnswer":1},{"id":23098,"question":"Seasonal variation is the least:","choices":[{"text":"In the arctic circle","value":"A"},{"text":"Frigid zone","value":"B"},{"text":"Temperate zone","value":"C"},{"text":"South temperate zone","value":"D"},{"value":"E"}],"correctAnswer":1},{"id":23097,"question":"The earth revolves around the sun at the speed(per minute) of:","choices":[{"text":"1000 km","value":"A"},{"text":"1200 km","value":"B"},{"text":"1300 km&nbsp;","value":"C"},{"text":"More than 1600 km","value":"D"},{"value":"E"}],"correctAnswer":4},{"id":23096,"question":"What is the approximate equatorial circumference of the earth?","choices":[{"text":"30000 km","value":"A"},{"text":"40000 km","value":"B"},{"text":"50000 km","value":"C"},{"text":"60000 km","value":"D"},{"value":"E"}],"correctAnswer":2},{"id":23095,"question":"The heavier silicates named Sima on Silica+ magnesium are most abundant in the:","choices":[{"text":"Crust","value":"A"},{"text":"Core","value":"B"},{"text":"Ocean floors","value":"C"},{"text":"Mantle &nbsp;","value":"D"},{"value":"E"}],"correctAnswer":3},{"id":23094,"question":"Insolation heats up the land masses more quickly than the water bodies because:","choices":[{"text":"Water needs more energy to warm","value":"A"},{"text":"Rocks are bad conductor of heat","value":"B"},{"text":"Landmasses are solid","value":"C"},{"text":"None of these","value":"D"},{"value":"E"}],"correctAnswer":1},{"id":23093,"question":"The earth's annual circuit round the sun covers a distance of:","choices":[{"text":"1096 million km","value":"A"},{"text":"966 million km","value":"B"},{"text":"1036 million km","value":"C"},{"text":"none of these","value":"D"},{"value":"E"}],"correctAnswer":2},{"id":23092,"question":"Green House Effect means:&nbsp;","choices":[{"text":"Pollution in houses in tropical regions","value":"A"},{"text":"Trapping of solar energy due to atmospheric carbon dioxid","value":"B"},{"text":"Cultivation in green houses so as the check pollution","value":"C"},{"text":"None of these","value":"D"},{"value":"E"}],"correctAnswer":2},{"id":23091,"question":"At a latitude of 45<span style=\"line-height: 1.5;\">°,the earth spins on its axis at the rate of:</span>","choices":[{"text":"1120 km/h","value":"A"},{"text":"500 km/h","value":"B"},{"text":"510 km/h","value":"C"},{"text":"620 km/h","value":"D"},{"value":"E"}],"correctAnswer":1},{"id":23090,"question":"The crust forms what percentage of the volume of the earth:","choices":[{"text":"0.5%","value":"A"},{"text":"2.5%","value":"B"},{"text":"3.0%","value":"C"},{"text":"3.5%","value":"D"},{"value":"E"}],"correctAnswer":1},{"id":23089,"question":"Days and nights are caused by:","choices":[{"text":"Rotation of the earth on its axis","value":"A"},{"text":"Revolution of the earth around the sun","value":"B"},{"text":"Inclination of the earth's axis","value":"C"},{"text":"None of these","value":"D"},{"value":"E"}],"correctAnswer":1},{"id":23088,"question":"The size of the earth was first measure by:","choices":[{"text":"Issac Newton","value":"A"},{"text":"Galileo","value":"B"},{"text":"Eratosthenes","value":"C"},{"text":"Kepler","value":"D"},{"value":"E"}],"correctAnswer":3},{"id":23087,"question":"The speed of rotation of the earth is the highest:","choices":[{"text":"Along the equator","value":"A"},{"text":"At the North Pole","value":"B"},{"text":"Along the tropic of cancer","value":"C"},{"text":"Along the Arctic circle","value":"D"},{"value":"E"}],"correctAnswer":2},{"id":23086,"question":"The term that best describes the shape of the earth is:","choices":[{"text":"Eclipse","value":"A"},{"text":"Geoid","value":"B"},{"text":"Globe","value":"C"},{"text":"Sphere","value":"D"},{"value":"E"}],"correctAnswer":2},{"id":23085,"question":"The mean distances on the perihelion and aphelion is:","choices":[{"text":"100 km&nbsp;","value":"A"},{"text":"149.5 km","value":"B"},{"text":"180.5 km","value":"C"},{"text":"185 km","value":"D"},{"value":"E"}],"correctAnswer":2},{"id":23084,"question":"Days and nights are equal throughout the globe when sun is above:","choices":[{"text":"poles","value":"A"},{"text":"Equator","value":"B"},{"text":"Tropic of cancer","value":"C"},{"text":"Tropic of capricorn","value":"D"},{"value":"E"}],"correctAnswer":2},{"id":23083,"question":"The position of the earth in its orbit,when it is at its greater distance from the sun causing summer in the Northern Hemisphere is:<div><br></div>","choices":[{"text":"Perihelion","value":"A"},{"text":"Aphelion","value":"B"},{"text":"Perigee","value":"C"},{"text":"Apogee","value":"D"},{"value":"E"}],"correctAnswer":2},{"id":23082,"question":"The time required for moon light to reach earth:","choices":[{"text":"3 seconds","value":"A"},{"text":"1.3 second","value":"B"},{"text":"3.5 seconds","value":"C"},{"text":"5 seconds","value":"D"},{"value":"E"}],"correctAnswer":2},{"id":23081,"question":"At the core of the earth,the temperature is estimated to be around:","choices":[{"text":"1000&nbsp;<span style=\"line-height: 1.5;\">°C</span>","value":"A"},{"text":"1500&nbsp;<span style=\"line-height: 1.5;\">°C</span>","value":"B"},{"text":"2000&nbsp;<span style=\"line-height: 1.5;\">°C</span>","value":"C"},{"text":"2500<span style=\"line-height: 1.5;\">°C</span>","value":"D"},{"value":"E"}],"correctAnswer":3},{"id":23080,"question":"Heat received by earth from the sun is known as:","choices":[{"text":"Solar radiation","value":"A"},{"text":"Insolation&nbsp;","value":"B"},{"text":"Solar heat","value":"C"},{"text":"Thermal radiation","value":"D"},{"value":"E"}],"correctAnswer":2},{"id":23079,"question":"The equatorial diameter of the earth is approximately:","choices":[{"text":"12756 km","value":"A"},{"text":"15000 km","value":"B"},{"text":"16000 km","value":"C"},{"text":"10000 km","value":"D"},{"value":"E"}],"correctAnswer":1},{"id":23078,"question":"Summer Solstice in the Southern Hemisphere occurs on:","choices":[{"text":"December 22","value":"A"},{"text":"November 20","value":"B"},{"text":"July 20","value":"C"},{"text":"March 25","value":"D"},{"value":"E"}],"correctAnswer":1},{"id":23077,"question":"Equinox occurs when the sun is vertically above:","choices":[{"text":"Tropic of Capricorn","value":"A"},{"text":"Equator","value":"B"},{"text":"Poles","value":"C"},{"text":"Tropic of Cancer","value":"D"},{"value":"E"}],"correctAnswer":2},{"id":23076,"question":"The world used to describe the shape of earth is:","choices":[{"text":"Flat","value":"A"},{"text":"Circle","value":"B"},{"text":"Oblate sphere","value":"C"},{"text":"Sphere","value":"D"},{"value":"E"}],"correctAnswer":3},{"id":23075,"question":"The fixed path along which the earth revolves round the sun is called:","choices":[{"text":"The celestial sphere","value":"A"},{"text":"The earth's orbit","value":"B"},{"text":"The ecliptic plane","value":"C"},{"text":"The ecliptic path","value":"D"},{"value":"E"}],"correctAnswer":2},{"id":23074,"question":"Vernal equinox falls on:","choices":[{"text":"21<sup>st</sup> March","value":"A"},{"text":"21<sup>st</sup> June","value":"B"},{"text":"25<sup>th</sup> April","value":"C"},{"text":"20<sup>th</sup> December","value":"D"},{"value":"E"}],"correctAnswer":1},{"id":23073,"question":"The mean radius of the earth is approximately:","choices":[{"text":"3000 kms","value":"A"},{"text":"400kms","value":"B"},{"text":"6400kms","value":"C"},{"text":"7000kms","value":"D"},{"value":"E"}],"correctAnswer":3},{"id":23072,"question":"The inclination of the earth's axis to the orbital plane is:","choices":[{"text":"21<sup>1/2''</sup>","value":"A"},{"text":"23<sup>1/2''</sup>","value":"B"},{"text":"66<sup>1/2''</sup>","value":"C"},{"text":"90\"","value":"D"},{"value":"E"}],"correctAnswer":3},{"id":23071,"question":"The earth rotates around its axis from:","choices":[{"text":"North to South","value":"A"},{"text":"East to West","value":"B"},{"text":"West to East","value":"C"},{"text":"North to East","value":"D"},{"value":"E"}],"correctAnswer":3},{"id":23070,"question":"Seasons on the earth are caused by:","choices":[{"text":"Revolution of earth round the sun and its axis tilted at 66<sup>1/2</sup>","value":"A"},{"text":"Rotation on earth round its axis","value":"B"},{"text":"All places of earth have equal temperature","value":"C"},{"text":"None of these","value":"D"},{"value":"E"}],"correctAnswer":1},{"id":23069,"question":"What is the maximum length of a day on the poles?","choices":[{"text":"6 months","value":"A"},{"text":"1 year","value":"B"},{"text":"8 months","value":"C"},{"text":"2 years","value":"D"},{"value":"E"}],"correctAnswer":1},{"id":23068,"question":"What percentage of insolation is received by the earth's surface?&nbsp;","choices":[{"text":"47%","value":"A"},{"text":"51%","value":"B"},{"text":"60%","value":"C"},{"text":"79%","value":"D"},{"value":"E"}],"correctAnswer":2}]