Q.51)-Days and Nights are similar here-
  • Poles
  • Main time zone
  • Antarctica
  • Equator
Q.52)-What is "Supernova"?
  • Comet
  • Asteroid
  • Meteor
  • Black Hole
Q.53)-What is the circumference of the Earth?
  • 13,000 km
  • 20,000 km
  • 25,000 km
  • 40,000 km
Q.54)-When and where did the concept of the Earth Hour started?
  • June,2007 in Christchurch, New Zealand
  • May,2009 in Colombo, Srilanka
  • April,2008 in Tokyo, Japan
  • March, 2007 in Sydney, Australlia
Q.55)-How many Geo-synchronous satellites are required for uninterrupted world broadcasting?
  • 3
  • 4
  • 2
  • 1
Q.56)-The study of the process of atmosphere is called as-
  • Astrology
  • Meteorology
  • Sesimology
  • Astronomy
Q.57)-Which of the following depletes the UV radiation on the Earth?
  • Carbon monoxide
  • Carbon dioxide
  • Ozone
  • Oxygen
Q.58)-Which is the lowest layer of Atmosphere?
  • Troposphere
  • Stratosphere
  • Mesosphere
  • Exosphere
Q.59)-Where do all metrological incidents occur?
  • Stratosphere
  • Troposphere
  • Ionosphere
  • Exosphere
Q.60)-What is the name of the layer closest to the Earth?
  • Ionosphere
  • Stratosphere
  • Troposphere
  • Exosphere