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. Choose the incorrect statement
    A)The Sun's rays are vertical at all places on the days of the equinoxes
    B)All meridians are of the same length
    C)The axis of the earth is inclined at an angle of to the horizontal
    D)The summer solstice for the Southern Hemisphere is in December
    Answer: The Sun's rays are vertical at all places on the days of the equinoxes
  • Q. Lunar eclipse does not occur every month because ________
    A)The moon's orbit is not all the time in the same plane as the earth
    B)The sun's orbit is not always in the same plane as the moon
    C)The moon revolves at a slower speed than the earth
    D)None of these
    Answer: The moon's orbit is not all the time in the same plane as the earth
  • Q. Which one of the following has geographical position of 0° latitude and 0° longitude?
    A)In Ghana, a West African-country
    B)In the South Atlantic Ocean
    C)In the Mediterranean Sea
    D)At Greenwich Observatory in England
    Answer: In the South Atlantic Ocean
  • Q. Albedo is defined as ________
    A)Celestial bodies in earth's atmosphere which add to the greenhouse effect
    B)UV radiations sent out by the SUN
    C)A substance contained in the upper atmospheric layers of the earth, which is responsible for the reflection of/a part of solar radiations
    D)The amount of insolation reflected back to the space by the top of atmosphere, by clouds and ice-covered areas of the Earth's surface
    Answer: The amount of insolation reflected back to the space by the top of atmosphere, by clouds and ice-covered areas of the Earth's surface
  • Q. Which of the following pairs is not correctly matched?
    A)23° 20' N latitude - Tropic of Cancer
    B)66° 33' N latitude - Arctic Circle
    C)180°E or 180°W longitude- International Date Line
    D)0°E or 0°W longitude – Equator
    Answer: 0°E or 0°W longitude – Equator
  • 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. 1° of latitude is equal to
    A)111 Km
    B)11 Km
    C)211 Km
    D)311 Km
    Answer: 111 Km
  • Q. The Tropic of Cancer does not pass through
    A)Bangladesh
    B)India
    C)Pakistan
    D)Myanmar
    Answer: Pakistan
  • Q. What is the approximate circumference of Earth?
    A)80,000 Km
    B)40,000 Km
    C)60,000 Km
    D)1,00,000 Km
    Answer: 40,000 Km
  • Q. What is the approximate equatorial circumference of the earth?
    A)40,000 Km
    B)30,000 Km
    C)35,000 Km
    D)45,000 Km
    Answer: 40,000 Km
  • Q. The tide at its maximum height is known as ________
    A)Spring tide
    B)Equinox
    C)Neap tide
    D)Tsunami
    Answer: Spring tide
  • Q. The amount of insolation received at a place on the surface of the earth depends on ________
    A)Its longitude
    B)Its climate
    C)Its latitude
    D)Both (a)and (b)
    Answer: Both (a)and (b)
  • Q. In the context of ‘time’ GMT means
    A)Global Mean Time
    B)General Meridian Time
    C)Greenwich Mean Time
    D)None of these
    Answer: Greenwich Mean Time
  • 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. If the difference in time between, two places were 2 hours and 20 minutes, then the difference in their longitudes would be ________
    A)40°
    B)30°
    C)35°
    D)45°
    Answer: 35°
  • 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
  • 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. On Monday, the 14th June, a man crosses the International Date Line at 5 p.m. from the Asian side to the American side. Which of the following will he now assume to be the correct date and time?
    A)5 a.m. of Monday, the 14th June
    B)5 a.m. of Tuesday, the 15th June
    C)5 p.m. of Tuesday, the 15th June
    D)5 p.m. of Sunday, the 13th June
    Answer: 5 p.m. of Sunday, the 13th June
  • Q. Spring tides occur when ________
    A)The moon, the sun and the earth are at right angles with the earth at the apex
    B)The moon is nearest to the earth
    C)The moon is farthest from the earth
    D)The moon, the sun and the earth are in the same line
    Answer: The moon, the sun and the earth are in the same line
  • 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
    A)2 Only
    B)1 and 4
    C)3 and 4
    D)3, 2 and 4
    Answer: E

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