Q. ________ is a natural electrical phenomenon characterized by the appearance of streams of reddish or greenish light in the sky, especially near the northern or southern magnetic pole

Correct Answer

Aurora

More Questions on Earth

  • Q. The International Dateline deflects to a side to avoid ________
    A)Aleutian Islands
    B)Society islands
    C)Hawaii
    D)All the above
    Answer: Aleutian Islands
  • Q. Owing to the equatorial bulge and the polar flattening, the polar radius of the earth falls short of the equatorial radius by about ________
    A)41 km
    B)22 km
    C)36 km
    D)53 km
    Answer: 22 km
  • Q. 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 ________
    A)Snow and ice covered areas of the earth
    B)Clouds
    C)Water-bodies
    D)All the above reflect nearly the same amount
    Answer: Clouds
  • Q. Study the following diagram and say which of the given statements is not correct regarding it ________
    A)There is continuous day north of the Arctic Circle
    B)It shows the earth's orbital position on 21st June
    C)All parallels in the northern hemisphere have days equal to nights
    D)South of the equator the length of the day decreases with increasing latitude
    Answer: All parallels in the northern hemisphere have days equal to nights
  • Q. Consider a specific point on the surface of the earth (say Delhi). The temperature at a given time of day (say 12.00 Noon) will in general be higher in summer than in winter. This is because ________
    A)The earth is closer to the sun in summer than in winter
    B)The evaporation of water from atmosphere results in precipitation occurring in winter alone
    C)Sun-rays falling on the earth are inclined more towards the sun in winter
    D)The axis of the earth is inclined more towards the sun in winter
    Answer: Sun-rays falling on the earth are inclined more towards the sun in winter
  • Q. The equatorial circumference is greater than the polar circumference by approximately ________
    A)125 km
    B)22 km
    C)67 km
    D)625 km
    Answer: 67 km
  • Q. The desert regions of the world occupy about ________ part of the land surface of the earth.
    A)43132
    B)1/3
    C)1.6
    D)None of the above
    Answer: 1/3
  • Q. The position of a planet when it is nearest to the Sun, is called ________
    A)Apigee
    B)Perihelion
    C)Apihelion
    D)Perigee
    Answer: Perihelion
  • Q. In which of the following areas, the “Midnight Sun” can be seen?
    A)Arctic and Antarctica circle
    B)In tropical areas
    C)In temperate areas
    D)Anywhere during solar eclipse
    Answer: Arctic and Antarctica circle
  • Q. When it is noon along 82° 30′ longitude, along what degree of longitude it will be 6.30 a.m.?
    A)0° E or W
    B)Along 165° E
    C)Along 67° 30' W
    D)Along 82° 31' W
    Answer: 0° E or W
  • 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. The earth is at the least distance from the sun (Perihelion) on ________
    A)July 4th
    B)December 22nd
    C)January 3rd
    D)June 21st
    Answer: January 3rd
  • Q. The earth is at the largest distance from the sun (Apehelion) on ________
    A)July 4th
    B)June 21st
    C)January 3rd
    D)September 23rd
    Answer: July 4th
  • Q. Consider the following statements: 1. The tropical year is shorter than the sidereal year. 2. The solar day is longer than the sidereal day. Which of the statements given above is/are correct?
    A)Both 1 and 2
    B)1 only
    C)2 only
    D)Neither 1 nor 2
    Answer: Both 1 and 2
  • Q. Who among the following was first to measure the circumference of the Earth?
    A)Hecataeus
    B)Eratosthenes
    C)Aristotle
    D)Herodotus
    Answer: Eratosthenes
  • Q. Which one of the following elements is most abundant in the earth’s crust?
    A)Silicon
    B)Oxygen
    C)Sulphur
    D)Carbon
    Answer: Oxygen
  • Q. Which of the following is the best definition of ‘Tides’ ?
    A)A periodic rise and fall of sea water caused by the gravitational force of moon and sun on earth
    B)A powerful movement of the ocean which proceed constantly in a definite direction
    C)A great circulatory movement of sea water caused by difference in density of sea water
    D)A wind and pressure system having a low pressure in centre and circular wind motion
    Answer: A periodic rise and fall of sea water caused by the gravitational force of moon and sun on earth
  • Q. Which of the following is the International Date line?
    A)90° eastern longitude
    B)Equator
    C)0° longitude
    D)180° longitude
    Answer: 180° longitude
  • Q. Which of the following countries are located on the Greenwich Meridian? 1. Algeria 2. Germany 3. Guinea 4. Iceland
    A)1, 2 and 3
    B)1 only
    C)2 only
    D)1, 3 and 4
    Answer: 1 only
  • Q. Which of the following phenomenon is/are the effect of the rotation of the Earth? 1. Apparent movement of the Sun, the Moon and the Stars. 2. Flatness of the poles and bulge at the Equator. 3. Occurrence of sunrise, noon and sunset 4. Magnetic field of the earth.
    A)1, 2 and 3
    B)1 and 3
    C)2 and 3
    D)1, 2, 3 and 4
    Answer: 1, 2, 3 and 4

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