More Questions on Earth
- 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. 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. At neap tide: 1. the sun and moon exert their force at right angles 2. the tidal amplitude is high 3. the low tides are very low
A)1 and 2
B)1
C)2 and 3
D)1, 2 and 3
Answer: 1
- 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 ‘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. The upper part of the mantle upon which the crust of the Earth floats is called ________
A)Mohorovic discontinuity
B)Barysphere
C)Mesophere
D)Asthenosphere
Answer: Asthenosphere
- 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 most abundant metal in the Earth’s Crust is
A)Aluminium
B)Zinc
C)Copper
D)Iron
Answer: Aluminium
- 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. The distance between two consecutive longitudes (91° E and 92° E) at the Poles is
A)25 km
B)0 km
C)18 km
D)111 km
Answer: 0 km
- Q. The mean radius of the earth is approximately ________
A)9600 km
B)3200 km
C)6400 km
D)12800 km
Answer: 6400 km
- Q. The axis of rotation of earth is tilted by 23.5° to the plane of revolution around the sun. The latitude of Mumbai is less than 23.5° whereas the latitude of Delhi is more than 23.5°. Which one of the following statements in this regard is correct?
A)At Mumbai the sun can come overhead, but it will never do so at Delhi
B)The sun can come overhead at both these places
C)The sun will never come overhead at either of these places
D)At Delhi the sun can come overhead but it will never do so at Mumbai
Answer: At Mumbai the sun can come overhead, but it will never do so at Delhi
- Q. Latitude and longitude both ________
A)Run parallel to each other
B)Pass through poles
C)Run parallel to the equator
D)Run perpendicular to each other
Answer: Run perpendicular to each other
- Q. The local time at A is 4 pm, when Greenwich Mean Time is 2 p.m. This indicates: 1. A is east of Greenwich 2. the longitude of A is 30°
A)Neither I nor II
B)Only I
C)Only II
D)Both I and II
Answer: Both I and II
- 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. What percentage of insolation is received by the earth’s surface?
A)0.66
B)0.47
C)0.51
D)0.87
Answer: 0.47
- Q. The International Dateline deflects to a side to avoid ________
A)Aleutian Islands
B)Society islands
C)Hawaii
D)All the above
Answer: Aleutian Islands
- Q. If news is broadcast from London at 10:30 AM, at what time it will be heard at Baghdad (45°E)?
A)1:30 PM
B)7:30 AM
C)9:00 AM
D)12:00 Noon
Answer: 1:30 PM
- Q. World’s longest land border is between which two contries?
A)Switzerland and Italy
B)Australia and New Zealand
C)India and China
D)Canada and USA
Answer: Canada and USA
- Q. The alignment of the lines of beginning and end is expressed by
A)Record
B)Dentate
C)Feasibility
D)Font
Answer: Feasibility
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