Equator is
A). Line which connects north and south poles
B). Imaginary line which rotates around the Earth in the centre of north and south poles
C). The girdle around the Saturn
D). Axis of the rotation of the Earth
Which of the following is/are true of world time zones?I. The world is divided into thirty time zonesII. All time zones of the world are described in term of the number of hours difference between the standard meridian of that zone and the Greenwich MeridianIII. All countries have more than one time zoneIV. The time for all places east of Greenwich is designated slow, and time for all places left of Greenwich is designated fast
A). I, II, III and IV
B). II and IV
C). I, III and IV
D). II only
________ is the time taken by the Earth to return to a given point in its orbit with reference to a fixed star.
A). Lunar year
B). Sidereal year
C). Solar year
D). Tropical year
Which of the followings are related with "Lithosphere"?
A). Plant and Insect
B). Earth's Interior
C). Earth's Crust
D). None of these
Tides are complied and they vary from place to place because of ________
A). The movement of Moon in relation to Earth
B). Uneven distribution of water over the globe
C). Irregularities in the configuration of oceans
D). All of the above