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Chapter:

160+ The Earth Solved MCQs

in World Geography

These multiple-choice questions (MCQs) are designed to enhance your knowledge and understanding in the following areas: General Knowledge (GK) , Union Public Service Commission (UPSC) , Indian Administrative Service (IAS) .

Chapters

Chapter: The Earth
101.

Why does Russia have many local time differences?

A. Because it keeps trade relations with many countries of the world
B. Because it experiences a wide range of climatic conditions
C. Because of its long east-west stretches
D. Because it is divided into a number of states on political grounds
Answer» C. Because of its long east-west stretches
102.

Which one of the following elements is most abundant in the earth's crust? [NDA 2005]

A. Oxygen
B. Sulphur
C. Silicon
D. Carbon
Answer» A. Oxygen
103.

Through which one of the following countries the Tropic of Cancer does not pass through? [CDS 2005]

A. Bangladesh
B. China
C. Myanmar
D. Nepal
Answer» D. Nepal
104.

All the watches of a country are set according to :

A. local time
B. standard time of the country
C. greenwich mean time
D. time of sunrise and sunset
Answer» B. standard time of the country
105.

If it is 4 P.M. on Monday at 150°W, what will be the time at 150°E ?

A. 4 a.m. on Tuesday
B. 4 p.m. on Tuesday
C. 4 p.m. on Sunday
D. 12 Noon on Tuesday
Answer» D. 12 Noon on Tuesday
106.

When it is 12.00 noon at Delhi (77° 10'E), people at another place on earth take their 6 o'clock morning tea. The longitude of that place is: [CDS 2001]

A. 17°30' E
B. 12°50' W
C. 172°30' E
D. 17°E
Answer» B. 12°50' W
107.

When it is 12:00 noon in India, the time in San Francisco (USA) would be closed to : [CDS 2002]

A. 11 : 30 p.m.
B. 11 : 30 p.m. of previous day
C. 8 : 30 p.m.
D. 8 : 30 p. m. of previous day
Answer» D. 8 : 30 p. m. of previous day
108.

Consider the following statements: While it is 6.30 AM (Sunday) in London, it is around 1. 2.30 AM (Sunday) in Honolulu (Hawaii) 2. 8.30 PM (Saturday) in Honolulu (Hawaii) 3. 3.30 PM (Sunday) in Tokyo 4. 1.30 AM (Sunday) in Tokyo Which of these statements is/are correct? [Asstt Comm PF 2002]

A. 4 only
B. 2 and 3
C. 1 and 4
D. 2 and 4
Answer» B. 2 and 3
109.

Beirut time is two hours ahead and Lima time is five hours behind GMT. The longitudes of Beirut and Lima are respectively: [CPO SI 2002]

A. 75° West and 30° East
B. 70° East and 35° West
C. 30° East and 75° West
D. 35° West and 70° East
Answer» C. 30° East and 75° West
110.

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 ? [NDA 2003]

A. 97°30' E
B. 97°30' W
C. 82°30' E
D. 82°30' W
Answer» C. 82°30' E
111.

The location of a place A is at 60° E longitude and 30° S latitude while the location of B is at 60° E longitude and 45° N latitude. Time at B will be :

A. half an hour behind A
B. half an hour ahead of A
C. half an hour ahead or behind that of A
D. the same as that of A
Answer» D. the same as that of A
112.

The International Dateline deflects to a side to avoid:

A. Society islands
B. Hawaii
C. Aleutian Islands
D. All the above
Answer» C. Aleutian Islands
113.

A person sets off from Alaska on a Tuesday and reaches New Zealand the next day which will be :

A. Tuesday
B. Wednesday
C. Thursday
D. Friday
Answer» C. Thursday
114.

The local time at A is 4 p.m, when Greenwich Mean Time is 2 p.m. This indicates: 1. A is east of Greenwich 2. the longitude of A is 30°

A. Only I
B. Only II
C. Neither I nor II
D. Both I and II
Answer» D. Both I and II
115.

If the earth's direction of rotation is reversed, what would be the IST when it is noon at the International Date Line? [IAS 1997]

A. 06.30 hrs
B. 05.30 hrs
C. 18.30 hrs
D. 17.30 hrs
Answer» C. 18.30 hrs
116.

Sea tides show variations because of:

A. variations in gravitational pull of the moon
B. variations in gravitational pull of the sun
C. distorted spherical shape of the earth
D. different phases of the moon
Answer» D. different phases of the moon
117.

One day in Mumbai a tide occurs at 8.00 A.M. The next day it will occur at :

A. 8.13 A.M.
B. 8.26 A.M.
C. 8.52 A.M.
D. 8.56 A.M.
Answer» B. 8.26 A.M.
118.

Which one of the following is the correct sequence of the given Continents in the decreasing order of their percentage of Earth's land? [IAS 2005]

A. North America – Africa – South America – Europe
B. Africa – North America – South America – Europe
C. North America – Africa – Europe – South America
D. Africa – North America – Europe – South America
Answer» B. Africa – North America – South America – Europe
119.

Which one of the following has geographical position of 0 degree latitude and 0 degree longitude? [CDS 2008]

A. In the South Atlantic Ocean
B. In the Mediterranean Sea
C. In Ghana, a West African-country
D. At Greenwich Observatory in England
Answer» A. In the South Atlantic Ocean
120.

The Earth is an oblate spheroid and not a perfect sphere. This is because [CDS 2010] 1. the Earth has a rotational motion and the rotational speed increases as one goes from the Poles towards the Equator. 2. the Equator experiences greater gravitational pull from the Sun. 3. the intensity of sunlight received at the Equator is greater than that at the Poles.

A. 1 only
B. 1 and 2
C. 3 only
D. 1, 2 and 3
Answer» B. 1 and 2
121.

The antipodal position of a place located at 35° south and 80° west is [Asstt Commdt 2010]

A. 55° north and 80° east
B. 35° north and 100° east
C. 100°north and 80° east
D. 55° south and 10° east
Answer» B. 35° north and 100° east
122.

If news is broadcast from London at 10:30 AM, at what time it will be heard at Baghdad (45°E)? [CDS 2012]

A. 7:30 AM
B. 9:00 AM
C. 1:30 PM
D. 12:00 Noon
Answer» C. 1:30 PM
123.

The distance between two consecutive longitudes (91° E and 92° E) at the Poles is [CDS 2012]

A. 0 km
B. 18 km
C. 25 km
D. 111 km
Answer» A. 0 km
124.

Consider the following statements:
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.
Which of the statements given above are correct? [CDS 2012]

A. 1, 2 and 3
B. 1 and 3 only
C. 1, 2 and 4
D. 2 and 5 only
Answer» C. 1, 2 and 4
125.

How many kilometres are represented by 1° of latitude? [CDS 2011]

A. 321 km
B. 211 km
C. 111 km
D. 91 km
Answer» C. 111 km
126.

The approximate circumference of the Earth is [CPO SI 2011]

A. 13,000 km
B. 20,000 km
C. 25,000 km
D. 30,000 km
Answer» D. 30,000 km
127.

Consider the following statements: 1. The tropical year is shorter than the sidereal year. 2. The solar day is longer than the sidereal day. Which of the statements given above is/are correct? [NDA 2010]

A. 1 only
B. 2 only
C. Both 1 and 2
D. Neither 1 nor 2
Answer» C. Both 1 and 2
128.

The seasonal contrasts are maximum in:

A. low latitudes
B. mid-latitudes
C. sub tropics
D. high latitudes
Answer» B. mid-latitudes
129.

Which of the following is the best definition of 'Tides' ? [SBI PO 1991]

A. A powerful movement of the ocean which proceed constantly in a definite direction
B. A great circulatory movement of sea water caused by difference in density of sea water
C. A periodic rise and fall of sea water caused by the gravitational force of moon and sun on earth
D. A wind and pressure system having a low pressure in centre and circular wind motion
Answer» C. A periodic rise and fall of sea water caused by the gravitational force of moon and sun on earth
130.

Which of the following statements regarding the earth's axis are true? 1. It makes an angle of with the plane of ecliptic 2. It maintains a flexible orientation with respect to the stars 3. It is the most important fact connected with Earth-Sun relationship

A. 1 and 2
B. 2 and 3
C. 1 and 3
D. 1, 2 and 3
Answer» C. 1 and 3
131.

The heavier silicates named 'Sima’ or silica + magnesium are most abundant in the:

A. crust
B. core
C. mantle
D. ocean floors
Answer» A. crust
132.

Insolation heats up the land masses more quickly than the water bodies because:

A. water is liquid
B. landmasses are solid
C. water needs more energy to get warm
D. rocks are bad conductors of heat
Answer» C. water needs more energy to get warm
133.

The earth's annual circuit round the sun covers a distance of:

A. 1,096 million kms
B. 1,036 million kms
C. 966 million kms
D. 896 million kms
Answer» C. 966 million kms
134.

It is six months long day in the northern polar region and six months long night in the southern polar region because: [Railways 1993]

A. earth is revolving around the sun
B. earth is inclined towards its orbital plane
C. earth is rotating
D. none of these
Answer» B. earth is inclined towards its orbital plane
135.

The surface of Earth that lies between the Tropic of Cancer and the Tropic of Capricorn is called:

A. North Temperate Zone
B. Frigid Zone
C. South Temperate Zone
D. Torrid Zone
Answer» D. Torrid Zone
136.

Which of the following are true regarding equinoxes? [CDS 1993] 1. They occur on March 21 st and September 23rd 2. They depict equal days and equal. nights on March 21 st and September 23rd on all places of the earth 3. All places on the earth have equal temperature during equinoxes

A. 1 and 2 only
B. 2 and 3 only
C. 1 and 3 only
D. 1, 2 and 3
Answer» A. 1 and 2 only
137.

Choose the incorrect statement; [IFS 1993]

A. All meridians are of the same length
B. The axis of the earth is inclined at an angle of to the horizontal
C. The Sun's rays are vertical at all places on the days of the equinoxes
D. The summer solstice for the Southern Hemisphere is in December
Answer» C. The Sun's rays are vertical at all places on the days of the equinoxes
138.

The largest amount of reflection of the solar radiant energy which is reflected back into space before reaching the earth's surface is due to:

A. clouds
B. water-bodies
C. snow and ice covered areas of the earth
D. all the above reflect nearly the same amount
Answer» A. clouds
139.

What percentage of insolation is received by the earth's surface?

A. 47%
B. 51%
C. 66%
D. 87%
Answer» A. 47%
140.

The incoming short-wave solar radiation is balanced by an equal amount of long-wave radiation from earth going back to space. This is known as:

A. earth radiation
B. wave balance of earth
C. heat balance of earth
D. radiation exchange
Answer» C. heat balance of earth
141.

The latitude of a place expresses its angular position relative to the plane of

A. axis of the Earth
B. equator
C. North pole
D. South pole
Answer» B. equator
142.

At 12 noon of December 21, you observe that you cast no shadow as you stand in bright sunlight. So you must be, somewhere near:

A. the Arctic Circle
B. the Tropic of Cancer
C. the Tropic of Capricorn
D. the South Pole
Answer» C. the Tropic of Capricorn
143.

The Gutenberg discontinuity is between:

A. the crust and the mantle
B. the upper and lower mantles
C. the outer core and the lower mantle
D. the inner and outer cores
Answer» C. the outer core and the lower mantle
144.

If the earth's axis had not been inclined: 1. temperature distribution would have been uniform 2. days and nights would not have occurred 3. seasons would not· have occurred 4. poles would not have continuous day

A. I, III and IV
B. II and IV
C. III and IV
D. II, III and IV
Answer» C. III and IV
145.

The Tropic of Cancer does NOT pass through: [NDA 2003]

A. Egypt
B. Mexico
C. Oman
D. Yemen
Answer» D. Yemen
146.

Which one of the following minerals occurs abundantly in the Earth's crust? [CDS 2003]

A. Bauxite
B. Silica
C. Manganese
D. Iron
Answer» B. Silica
147.

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? [CDS 2000]

A. The sun can come overhead at both these places
B. The sun will never come overhead at either of these places
C. At Mumbai the sun can come overhead, but it will never do so at Delhi
D. At Delhi the sun can come overhead but it will never do so at Mumbai
Answer» C. At Mumbai the sun can come overhead, but it will never do so at Delhi
148.

Why are winters more severe in Southern Hemisphere than in the Northern Hemisphere?

A. Earth is tilted towards the Sun in the Northern Hemisphere
B. Northern Hemisphere receives more sunlight
C. Because of more iceberg activity in Southern Hemisphere
D. Southern Hemisphere is less inhabited
Answer» C. Because of more iceberg activity in Southern Hemisphere
149.

The tide at its maximum height is known as:

A. Equinox
B. Neap tide
C. Spring tide
D. Tsunami
Answer» C. Spring tide
150.

‘Green House Effect’ means:

A. pollution in houses in tropical regions
B. trapping of solar energy due to atmospheric oxygen
C. trapping of solar energy due to atmospheric carbon dioxide
D. cultivation in green houses so as to check pollution
Answer» C. trapping of solar energy due to atmospheric carbon dioxide

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