Q. Which one of the following is the time required for the Earth to return to a given point in its orbit with reference to fixed star, called?

Correct Answer

Sideral year

More Questions on Earth

  • Q. For a time difference of two hours, the longitudinal distance will be equal to ________.
    A)45°
    B)15°
    C)30°
    D)60°
    Answer: 30°
  • Q. Which of the following statements is/are correct? 1. A crossing of the International Date Line entails repeating one day when traveling westwards 2. A crossing of the International Date Line entails repeating one day when traveling eastwards 3. International Date Line is an internationally agreed line drawn parallel to the 180° meridian 4. International Date Line divides the Pacific Ocean into two equal parts.
    A)1 alone
    B)2 alone
    C)2, 3 and 4
    D)1, 3 and 4
    Answer: 2, 3 and 4
  • Q. ________ is the time taken by the Earth to return to a given point in its orbit with reference to a fixed star.
    A)Solar year
    B)Lunar year
    C)Sidereal year
    D)Tropical year
    Answer: Sidereal year
  • Q. If the earth’s direction of rotation is reversed, what would be the IST when it is noon at the International Date Line?
    A)18.30 hrs
    B)06.30 hrs
    C)05.30 hrs
    D)17.30 hrs
    Answer: 06.30 hrs
  • Q. The sun reaches its maximum angular distance from the equator at the ________
    A)Equinox
    B)Zenith
    C)Solstice
    D)Noontime
    Answer: Solstice
  • Q. Which of the following pairs is wrong?
    A)IsohaleSun - light
    B)Isohyet - Humidity
    C)Isobar - Pressure
    D)Isotherm - Temperature
    Answer: Isohyet - Humidity
  • Q. The International Date Line passes through ________
    A)Florida strait
    B)Bering strait
    C)Gibraltar strait
    D)Malacca strait
    Answer: Bering strait
  • Q. At neap tide: 1. the sun and moon exert their force at right angles 2. the tidal amplitude is high 3. the low tides are very low
    A)1 and 2
    B)1
    C)2 and 3
    D)1, 2 and 3
    Answer: 1
  • Q. Masses of stars and galaxies are usually expressed in ________.
    A)Lunar mass
    B)Earth's mass
    C)Solar mass
    D)Neutron mass
    Answer: Solar mass
  • Q. The incoming short-wave solar radiation is balanced by an equal amount of long-wave radiation from earth going back to space. This is known as ________
    A)Heat balance of earth
    B)Earth radiation
    C)Wave balance of earth
    D)Radiation exchange
    Answer: Heat balance of earth
  • Q. If the earth’s axis had not been inclined: I. temperature distribution would have been uniform II. days and nights would not have occurred III. seasons would not have occurred IV. poles would not have a continuous day
    A)III and IV
    B)I, III and IV
    C)II and IV
    D)II, III and IV
    Answer: III and IV
  • Q. Which one of the following minerals occurs abundantly in the Earth’s crust?
    A)Manganese
    B)Bauxite
    C)Silica
    D)Iron
    Answer: Silica
  • Q. The difference in the duration of day and night increases as one moves from ________
    A)Poles to equator
    B)West to east
    C)East and west of the prime meridian
    D)Equator to poles
    Answer: Equator to poles
  • Q. When does the Sun shine vertically on the Equator?
    A)Twice a year
    B)Throughout the year
    C)For six months
    D)Once a year
    Answer: Twice a year
  • Q. In how much time, Earth rotates once on its axis?
    A)23 hours 10 minutes 2 sec
    B)23 hours 30 minutes
    C)23 hours 56 minutes 4.9 sec
    D)24 hours
    Answer: 23 hours 56 minutes 4.9 sec
  • Q. Evidence suggests that life on Earth has existed for about ________.
    A)35 million years
    B)3.5 million years
    C)35 billion years
    D)3.5 billion years
    Answer: 3.5 billion years
  • Q. What is the correct sequence of the following in the context of the age of the earth since its origin? 1. Cenozoic 2. Mesozoic 3. Palaeozoic 4. Protozoic
    A)3, 4, 1, 2
    B)4, 3, 1, 2
    C)3, 4, 2, 1
    D)4, 3, 2, 1
    Answer: 4, 3, 2, 1
  • Q. Which of the following line represents the line which connects the places of equal rain?
    A)Isobar
    B)Isohypse
    C)Isohalines
    D)Isohyets
    Answer: Isohyets
  • Q. Isobar lines show
    A)Depth
    B)Pressure
    C)Rain
    D)Time
    Answer: Pressure
  • Q. The latitude of a place expresses its angular position relative to the plane of
    A)North pole
    B)Axis of the Earth
    C)Equator
    D)South pole
    Answer: Equator

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