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