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. Bridgmanite is
    A)Earth's most abundant mineral
    B)A bridge on the river Thames
    C)Name of a game
    D)Name of a music
    Answer: Earth's most abundant mineral
  • Q. The alignment of the lines of beginning and end is expressed by
    A)Record
    B)Dentate
    C)Feasibility
    D)Font
    Answer: Feasibility
  • Q. A radio broadcast from Delhi on Monday at 7.30 p.m. is heard at New York on ________
    A)The same day at 7:30 AM
    B)Tuesday at 8.35 PM
    C)The same day at 7.30 PM
    D)The same day at 10:00AM
    Answer: The same day at 10:00AM
  • 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. The Moon is showing its same face to the Earth because
    A)Its periods of rotation and revolution are the same
    B)It is not rotating about its own axis
    C)Its rotation and revolution are opposite
    D)Its rotation is faster than its revolution
    Answer: Its periods of rotation and revolution are the same
  • Q. What is the term used for the day on 23 September when day and night are equal throughout the world?
    A)Winter Solstice
    B)Autumnal Equinox
    C)Astronomical Equinox
    D)Spring Equinox
    Answer: Autumnal Equinox
  • Q. Which of these is the longest?
    A)90° E
    B)0° Meridian
    C)180° E-W
    D)All are equal
    Answer: All are equal
  • Q. The permanent tilt of the earth’s axis and the revolution of the earth in its orbit together cause: I. deflection of winds and ocean currents II. differences in time between places on different meridians III. varying length of day and night at different times of the year IV. changes in the altitude of the mid-day sun at different times of the year
    A)III and IV
    B)II, III and IV
    C)I and IV
    D)I, II and III
    Answer: III and IV
  • 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. When it is 12 noon at Greenwich, what is the time at New York (74° W) ?
    A)7.04 p.m.
    B)4.56 p.m.
    C)4.56 a.m.
    D)7.04 a.m.
    Answer: 7.04 a.m.
  • Q. Assume that the moon takes exactly 30 days to complete the cycle and also assume that it rises in the east exactly at 6.48 p.m., on the first day. On the fourth day, at what time will it rise?
    A)10.00 p.m
    B)8.24 p.m
    C)9. 12 p.m
    D)11.48 p.m
    Answer: 10.00 p.m
  • 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. Which part of the earth’s surface receives the highest amount of insolation?
    A)Savanna region
    B)Tropical deserts
    C)Equatorial region
    D)No such criteria
    Answer: Tropical deserts
  • 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 celestial body contains Helium-4 in abundance?
    A)Venus
    B)Earth
    C)Moon
    D)Saturn
    Answer: Earth
  • 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 is the difference between the Local time and Greenwich time one degree longitude?
    A)6 minutes
    B)2 minutes
    C)4 minutes
    D)8 minutes
    Answer: 4 minutes
  • Q. Why does Russia have many local time differences?
    A)Because of its long east-west stretches
    B)Because it keeps trade relations with many countries of the world
    C)Because it experiences a wide range of climatic conditions
    D)Because it is divided into a number of states on political grounds
    Answer: Because of its long east-west stretches
  • 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?
    A)Tropical year
    B)Lunar year
    C)Solar year
    D)Sideral year
    Answer: Sideral year
  • Q. The tide at its maximum height is known as ________
    A)Spring tide
    B)Equinox
    C)Neap tide
    D)Tsunami
    Answer: Spring tide

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