More Questions on Earth
- Q. Which among the following statments is true regarding International Date Line?
A)It is a big circle
B)It is 180° Longitude
C)It is a straight line
D)It is a curved line beyond Earth
Answer: It is 180° Longitude
- Q. Which of the following pairs of metals are supposed to constitute the internal core of the earth?
A)Iron and Copper
B)Chromium and Iron
C)Magnesium and Lead
D)Nickel and Iron
Answer: Nickel and Iron
- Q. Day and night are formed
A)Due to the speed of rotaion
B)Due to the shape of the orbit of Earth
C)Due to the motion of revolution
D)None of these
Answer: Due to the speed of rotaion
- Q. Which of the following layers of the earth is believed to have the heaviest mineral materials of highest density ?
A)Mantle
B)Central core
C)Crust
D)Both B and C
Answer: Central core
- 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. Masses of stars and galaxies are usually expressed in ________.
A)Lunar mass
B)Earth's mass
C)Solar mass
D)Neutron mass
Answer: Solar mass
- Q. The shortest day in Australia will be on ________
A)01-09-2023
B)21-06-2021
C)01-12-2022
D)01-03-2021
Answer: 21-06-2021
- 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. Variation in duration of day and night is due to: 1. rotation of earth on its axis 2. revolution of earth around the sun 3. inclination of earth at an angle of 66%.
A)1 and 3
B)1and 2
C)2 and 3
D)1, 2 and 3
Answer: 2 and 3
- Q. Solar eclipse occurs when ________
A)Moon comes between sun and earth
B)Earth comes between sun and moon
C)Moon is at right angle to the earth
D)Sun comes between moon and earth
Answer: Moon comes between sun and earth
- Q. Which among the following imaginary line lies at 0° latitude?
A)Tropic of Capricorn
B)Equator
C)Tropic of Cancer
D)Prime Meridian
Answer: Equator
- Q. The deflection of the winds to the right in the northern hemisphere is caused by
A)Uneven heating of the Earth
B)Revolution of the Earth
C)Rotation of the Earth
D)All the above
Answer: Rotation of the Earth
- 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. 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. 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 planet in our solar system is nearly as big as the Earth?
A)Venus
B)Mercury
C)Mars
D)Pluto
Answer: Venus
- 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. When the clock strikes 12:00 noon at Greenwich, it strikes 5:30 p.m. at place X on the same day. What is the meridian of longitude of place X ?
A)82°30' E
B)97°30' E
C)97°30' W
D)82°30' W
Answer: 82°30' E
- Q. Which of the following is not an effect produced by rotation of earth?
A)Winds change their directions
B)It causes days and nights
C)All heavenly bodies like sun, moon, planets appear to move from East to West
D)Poles have days and nights of 6 months duration
Answer: Poles have days and nights of 6 months duration
- 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
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