More Questions on Earth
- Q. Which of the following phenomenon gives an evidence for the spherical shape of the earth?
A)Lunar eclipse
B)Solar eclipse
C)Revolution
D)Rotation of Earth
Answer: Revolution
- 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 of the following is/are true of world time zones? I. The world is divided into thirty time zones II. All time zones of the world are described in term of the number of hours difference between the standard meridian of that zone and the Greenwich Meridian III. All countries have more than one time zone IV. The time for all places east of Greenwich is designated slow, and time for all places left of Greenwich is designated fast
A)I, III and IV
B)I, II, III and IV
C)II and IV
D)II only
Answer: II only
- Q. If there are four places on the same meridian 500 km apart and the local time at one place is 12.00 noon, what will be the time at the three other places?
A)2.00 pm
B)12.00 noon
C)1.00 pm
D)Different time at different places
Answer: 12.00 noon
- Q. When it is 8 P.M. in Tokyo, what is the time at Panama Canal which is located at 180° W of it?
A)12.00 A.M.
B)4.00 P.M.
C)8.00 A.M.
D)12.00 Noon
Answer: 8.00 A.M.
- Q. The Gutenberg discontinuity is between ________
A)The outer core and the lower mantle
B)The crust and the mantle
C)The upper and lower mantles
D)The inner and outer cores
Answer: The outer core and the lower mantle
- Q. Isobar lines show
A)Depth
B)Pressure
C)Rain
D)Time
Answer: Pressure
- Q. “Mohs’ Scale” is used to indicate the ________
A)Degree of viscosity of a liquid
B)Degree of brittleness of a substance
C)Degree of hardness of minerals.
D)Degree of elasticity of a material
Answer: Degree of hardness of minerals.
- Q. In the earliest days when life originated on earth, the atmosphere contained ________
A)Oxygen in fixed form
B)Free oxygen
C)No oxygen
D)Oxygen bound to carbon
Answer: Oxygen bound to carbon
- Q. Of the total volume of the earth, which layer forms the major part ?
A)Mantle
B)Sial
C)Sima
D)Core
Answer: Core
- Q. Sea tides show variations because of ________
A)Distorted spherical shape of the earth
B)Variations in gravitational pull of the moon
C)Variations in gravitational pull of the sun
D)Different phases of the moon
Answer: Different phases of the moon
- 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. The position of the sun is annually twice overhead at Singapore because of the ________
A)Elliptical path of the earth's orbit
B)Rotation of the earth
C)Revolution of the earth
D)Parallelism of inclined axis of the earth
Answer: Parallelism of inclined axis of the earth
- Q. When does solar eclipse take place?
A)When the Moon is between the Sun and Earth
B)When the Sun is between the Moon and Earth
C)When the Earth is between the Moon and Sun
D)When the Moon does not lie on the line joining the Sun and Earth
Answer: When the Moon is between the Sun and Earth
- Q. Who was the first to measure the circumference of the Earth?
A)Eratosthenes
B)Erechtheus
C)Aegeus
D)Apheidas
Answer: Eratosthenes
- Q. The speed of rotation of the earth is ________
A)39.5 km/sec.
B)25 km/sec.
C)31 km/sec.
D)29.72 km/sec.
Answer: 29.72 km/sec.
- 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. Green House Effect’ means ________
A)Trapping of solar energy due to atmospheric carbon dioxide
B)Pollution in houses in tropical regions
C)Trapping of solar energy due to atmospheric oxygen
D)Cultivation in green houses so as to check pollution
Answer: Trapping of solar energy due to atmospheric carbon dioxide
- Q. Beirut time is two hours ahead and Lima time is five hours behind GMT. The longitudes of Beirut and Lima are respectively ________
A)30° East and 75° West
B)75° West and 30° East
C)70° East and 35° West
D)35° West and 70° East
Answer: 30° East and 75° West
- Q. Light from the Sun reaches us in nearly
A)6 min.
B)8 min.
C)2 min.
D)4 min.
Answer: 8 min.
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