Q. Which of the following statements regarding the International Date line are correct? 1. It is a longitude of 180° 2. It is determined by 180° longitude but is not a straight line 3. It is a Greenwich meridian helping in fixing time and date 4. It solves the problem of time and date among the World’s nations

Correct Answer

E

More Questions on Earth

  • Q. Magma that reaches earth’s surface and then solidifies is called
    A)Quartz
    B)Granite
    C)Lava
    D)Silicates
    Answer: Lava
  • Q. At 12 noon of December 21, you observe that you cast no shadow as you stand in bright sunlight. So you must be, somewhere near ________
    A)The Tropic of Capricorn
    B)The Arctic Circle
    C)The Tropic of Cancer
    D)The South Pole
    Answer: The Tropic of Capricorn
  • Q. The distance between two consecutive longitudes (91° E and 92° E) at the Poles is
    A)25 km
    B)0 km
    C)18 km
    D)111 km
    Answer: 0 km
  • 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. What can be the maximum duration of totality for a solar eclipse?
    A)1 hour 40 seconds
    B)12.5 minutes
    C)7 minutes 40 seconds
    D)There is no maximum duration
    Answer: 7 minutes 40 seconds
  • Q. What are the imaginary lines touching both the poles of Earth called?
    A)Isobars
    B)Latitudes
    C)Longitudes
    D)Isotherms
    Answer: Longitudes
  • Q. There is a continual daylight or summer in the Arctic regions from ________
    A)21st March to 23rd September
    B)22nd December to 21st March
    C)21st March to 21st June
    D)21st June to 22nd December
    Answer: 21st March to 23rd September
  • Q. What is the alternate name for contour lines?
    A)Isohypse
    B)Isopotential
    C)Isotherm
    D)Isohyet
    Answer: Isohypse
  • Q. When would you record the maximum angle of incidence of the sun’s rays at the north pole?
    A)When the sun's rays fall vertically on the Tropic of Cancer
    B)March 21
    C)September 21
    D)When the sun's rays fall vertically on the Tropic of Capricorn
    Answer: When the sun's rays fall vertically on the Tropic of Cancer
  • Q. The earth revolves round the sun in its orbit by approximately ________
    A)3° per day
    B)1° per day
    C)2° per day
    D)5° per day
    Answer: 1° per day
  • Q. The Solar eclipse achieves totality only in limited geographical regions because ________
    A)Sun rays can reach most of the peripheral regions of the shadow of the moon due to atmospheric refraction
    B)The trajectories of the Earth around the Sun and the Moon around the Earth are not perfect circles
    C)The size of the shadow of the Moon on the Earth is small compared to the cross-section of the Earth
    D)The Earth is not a smooth flat surface, but has elevations and depressions
    Answer: The size of the shadow of the Moon on the Earth is small compared to the cross-section of the Earth
  • 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 of these statements are correct? 1. Earth is the fourth largest planet of the solar system 2. Earth’s circumference is about 45000 km 3. Earth’s polar diameter is about 43 km shorter than its equatorial diameter 4. Earth has a total surface area of 510 million sq.km
    A)2 and 3
    B)1 and 2
    C)1 and 4
    D)3 and 4
    Answer: 3 and 4
  • 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. If a traveller going from Vancouver to Tokyo crosses the International Date Line on Saturday, what will be the day for him at Tokyo?
    A)Sunday
    B)Friday
    C)Saturday
    D)Monday
    Answer: Sunday
  • Q. Lunar eclipse is caused when the ________
    A)Sun comes between the earth and moon
    B)Moon comes between the sun and the earth
    C)Earth comes between the sun and the moon
    D)None of these
    Answer: Earth comes between the sun and the moon
  • Q. Who proposed Continental drift theory?
    A)Alfred Hanks
    B)Alfred Wegener
    C)Alfred Worwick
    D)Alfred Mane
    Answer: Alfred Wegener
  • Q. The Earth is an oblate spheroid and not a perfect sphere. This is because 1. the Earth has a rotational motion and the rotational speed increases as one goes from the Poles towards the Equator. 2. the Equator experiences greater gravitational pull from the Sun. 3. the intensity of sunlight received at the Equator is greater than that at the Poles.
    A)3 only
    B)1 only
    C)1 and 2
    D)1, 2 and 3
    Answer: 1 and 2
  • Q. The acceleration due to gravity at the equator
    A)Is equal to that at the poles
    B)Is less than that at the poles
    C)Is greater than that at the poles
    D)Does not depend on the Earth centripetal acceleration
    Answer: Is less than that at the poles
  • Q. The approximate diameter of the earth is ________
    A)12,800 Km
    B)4,200 Km
    C)6,400 Km
    D)15,600 Km
    Answer: 12,800 Km

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