More Questions on Earth
- 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 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. 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. 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. 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 a ship crosses Date line from west to east ________
A)It loses half a day
B)It loses one day
C)It gains one day
D)It gains half a day
Answer: It gains one day
- Q. On the 21st June, the day light is seen at the North Pole for ________
A)18 hrs.
B)Zero hrs.
C)12 hrs.
D)24 hrs.
Answer: 24 hrs.
- Q. The total surface area of earth is ________
A)710 million sq km
B)510 million sq km
C)610 million sq km
D)810 million sq km
Answer: 510 million sq km
- Q. What is ‘Sidereal Day’?
A)The time during which the earth makes a complete rotation on its axis in respect of the fixed stars
B)The day on which the duration of sunshine is the maximum
C)The day on which the duration of sunshine and darkness are equal
D)The day on which the sun reaches its maximum distance from the equator
Answer: The time during which the earth makes a complete rotation on its axis in respect of the fixed stars
- 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. What is the position of the Earth when it is at the greatest distance from the Sun?
A)Perihelion
B)Aphelion
C)Antipode
D)Aldiatc
Answer: Aphelion
- 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 of the statements given are correct? 1. Coriolis effect is zero at the Equator. 2. Coriolis effect is more towards the Poles. 3. Coriolis effects are related to the decreasing rotational velocity with increasing latitudes. 4. Coriolis effects are related to the increasing rotational velocity with increasing latitudes.
A)1, 2 and 4
B)1, 2 and 3
C)1 and 3 only
D)2 and 5 only
Answer: 1, 2 and 4
- Q. How many kilometers are represented by 1° of latitude?
A)111 km
B)321 km
C)211 km
D)91 km
Answer: 111 km
- Q. Which of the following is the International Date line?
A)90° eastern longitude
B)Equator
C)0° longitude
D)180° longitude
Answer: 180° longitude
- Q. Dolomite is a/an
A)Igneous rock
B)Sedimentary rock
C)Plutonic rock
D)Metamorphic rock
Answer: Sedimentary rock
- 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. ________ 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
A)Albopictus
B)Acaulis
C)Matus
D)Aurora
Answer: Aurora
- Q. Which one of the following would have occurred if the earth had not been inclined on its own axis?
A)The summers would have been of longer duration
B)All the seasons would have been of same duration
C)The seasons would not have changed
D)The winters would have been of longer duration
Answer: The seasons would not have changed
- Q. Which planet in our solar system is nearly as big as the Earth?
A)Venus
B)Mercury
C)Mars
D)Pluto
Answer: Venus
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