Explore topic-wise MCQs in Testing Subject.

This section includes 2981 Mcqs, each offering curated multiple-choice questions to sharpen your Testing Subject knowledge and support exam preparation. Choose a topic below to get started.

901.

Which of the following phenomenon gives an evidence for the spherical shape of theearth?

A. Solar eclipse
B. Revolution
C. Lunar eclipse
D. Rotation of Earth
Answer» C. Lunar eclipse
902.

When it is noon along 82° 30' longitude, along what degree of longitude it will be 6.30a.m.? [IAS 1994]

A. Along 165° E
B. Along 67° 30' W
C. 0° E or W
D. Along 82° 31' W
Answer» D. Along 82° 31' W
903.

Consider the following statements: 1. Troposphere varies in its thickness between equator and poles. 2. Stratosphere does not experience Normal Lapse Rate. 3. Ozone layer occurs in the Mesophere. 4. Ionosphere lies between Stratosphere and Mesosphere Which of these statements are correct? [NDA 2003]

A. 1 and 2
B. 2 and 3
C. 3 and 4
D. 1, 2 and 4
Answer» B. 2 and 3
904.

Asteroids have their orbits between the planets:

A. Mercury and Venus
B. Earth and Mars
C. Mars and Jupiter
D. Jupiter and Saturn
Answer» D. Jupiter and Saturn
905.

The formation of Extrusive rocks takes place:

A. By solidification of magma above the earth's surface
B. Due to excessive pressure at great depths
C. By deposition of magma at a great depth
D. At an intermediate depth by transformation
Answer» B. Due to excessive pressure at great depths
906.

The temperature decreases towards poles, because :

A. at poles the snow does not melt
B. the cold regions do not absorb sun rays
C. the movement of cold wind is towards poles
D. the sun rays falling per unit area are less at poles
Answer» E.
907.

Water vapour beyond the dew point results in: [NDA 1994]

A. precipitation
B. hailstorm
C. condensation
D. formation of ice
Answer» D. formation of ice
908.

Formation of rnagma along the bedding plane results in :

A. Sill
B. Dykes
C. Basalt
D. Laccolith
Answer» B. Dykes
909.

'The length of its day and the tilt of its axis are almost identical to those of the earth'.This is true of: [IAS 2003, 1994]

A. Uranus
B. Neptune
C. Saturn
D. Mars
Answer» E.
910.

The region which does not receive most of its rainfall during winter, is :

A. Central California
B. Central North America
C. South West Australia
D. South West Africa
Answer» C. South West Australia
911.

The least densely populated country among the following countries of Europe is:

A. Poland
B. Norway
C. Germany
D. Belgium
Answer» C. Germany
912.

Heat received by earth from the Sun is known as:

A. insolation
B. solar heat
C. solar radiation
D. thermal radiation
Answer» B. solar heat
913.

Which of the following are correctly matched? 1. Active volcano : Stromboli (Sicily) 2. Dormant volcano : Vesuvius (Italy) 3. Extinct volcano : Fujiyama (Japan)

A. 1 and 2
B. 2 and 3
C. 1 and 3
D. 1, 2 and 3
Answer» E.
914.

The great Asian river Mekong does not run through:

A. China
B. Malaysia
C. Cambodia
D. Laos
Answer» C. Cambodia
915.

Why do Fold Mountains have enormous thickness of sedimentary rocks? [CDS 2011]

A. Due to deposition of sediments in a valley for millions of years
B. Due to accumulation of sediments in a geosyncline
C. The plains were folded into mountains
D. The sediments were folded into recumbent and nappe folds
Answer» C. The plains were folded into mountains
916.

Scanty rainfall of less than 50 cm per annum is received by :

A. the coastal areas in the warm temperate zone
B. the eastern parts of the temperate lands
C. the areas of high latitudes
D. the areas of equatorial regions
Answer» D. the areas of equatorial regions
917.

Which one among the following statements relating to an anticyclone is correct? [NDA 2011]

A. Anticyclone is a wind system with a high pressure centre
B. In anticyclone the movement of wind is inward
C. The contribution of an anticyclone towards determining weather of an area is quite significant
D. The movement of wind is clockwise in an anticyclone of southern hemisphere
Answer» B. In anticyclone the movement of wind is inward
918.

The transverse, longitudinal and surface waves in an earthquake originate from:

A. the focus within the body of the earth
B. the focus on the surface of the earth
C. the epicentre on the surface of the earth
D. the epicentre within the body of the earth
Answer» B. the focus on the surface of the earth
919.

Which of the following minerals is needed for generation ofnuclear power?

A. Potassium
B. Aluminium
C. Cadmium
D. Uranium
Answer» E.
920.

The Australian state which is an island is:

A. Queensland
B. Java
C. Tasmania
D. New Guinea
Answer» D. New Guinea
921.

Panama Canal connects ____ and____.

A. San Jose and Colon
B. Panama and San Jose
C. Panama and Colon
D. Cartagena and Colon
Answer» D. Cartagena and Colon
922.

Transfer of surplus heat from the lower latitudes to higher latitudes is done by : 1. ocean currents 2. planetary winds 3. tides 4. waves

A. I and II
B. III and IV
C. I and IV
D. II and III
Answer» B. III and IV
923.

Artesian wells are found in : [Asstt Grade 1992]

A. sedimentary rocks
B. igneous rocks
C. metamorphic rocks
D. none of these
Answer» B. igneous rocks
924.

A country through which both Equator and Tropic ofCapricorn pass is

A. Brazil
B. Argentina
C. Congo
D. Indonesia
Answer» B. Argentina
925.

Imaginary lines connecting places in oceans having equalsalinity are called

A. Isotherms
B. Isobars
C. Isohalines
D. Isohyets
Answer» D. Isohyets
926.

Which one of the following types of plains is not formed bythe action of the riven?

A. Loess plains
B. Alluvial plains
C. Flood plain deposits
D. Deltas
Answer» B. Alluvial plains
927.

The area of the Earth's total surface is of the order of ____.

A. 510 million square kilometres
B. 450 million square kilometres
C. 400 million square kilometres
D. 350 million square kilometres
Answer» B. 450 million square kilometres
928.

Over 90% of the world's biomass is in [CDS 2012]

A. tropical rain forests
B. freshwater wetlands
C. top soils
D. oceans
Answer» B. freshwater wetlands
929.

The important fishing areas called Grand Bank and Georges Bank located in thewaters of which one of the following? [IAS 2008]

A. North Pacific
B. South Pacific
C. South-west Atlantic
D. North-west Atlantic
Answer» E.
930.

Rocks which are formed by the solidification of lava on the earth's surface are: [MBA 1992]

A. Sandstone
B. Limestone
C. Granites
D. Basalts
Answer» E.
931.

Earthquakes occur due to: [Bank PO 1994]

A. frequent occurrence of cyclones
B. movement of plates of earth, which float on the hot volcanic mantle below the earth's surface
C. too much pressure on land
D. underground nuclear explosions
Answer» C. too much pressure on land
932.

The constellations of stars appear at different positions in the sky at different timesduring night mainly:

A. because earth rotates about its axis
B. because earth revolves round the sun
C. because of optical illusion
D. because celestial bodies are changing their positions all the time
Answer» B. because earth revolves round the sun
933.

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» B. 18 km
934.

Which of the following constituents of the atmosphere are important from the climaticpoint of view ? [IFS 1993] 1. Nitrogen 2. Oxygen 3. Carbon dioxide

A. 1 and 2
B. 2 and 3
C. 1, 2 and 3
D. only 3
Answer» E.
935.

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» D. II, III and IV
936.

Who among the following was first to measure the circumference of the Earth? [NDA2008]

A. Eratosthenes
B. Aristotle
C. Hecataeus
D. Herodotus
Answer» B. Aristotle
937.

Which one of the following pairs is correctly matched? [Teachers' Exam 1994]

A. The Mediterranean Region- Summer rain
B. The Equatorial Region-Heavy convectional shower
C. The Monsoon Region-Heavy rain throughout the year
D. The Desert Region-Winter rain
Answer» C. The Monsoon Region-Heavy rain throughout the year
938.

The Veld grassland of South Africa experiences:

A. the Continental Savanna Climate
B. the Maritime Savanna Climate
C. the Steppe climate
D. the Tropical desert climate
Answer» D. the Tropical desert climate
939.

A one-day Cricket match between India and England starts at 10.00 A.M. in London.The direct telecast of the match will begin in India at: [IFS 1993, CDS 1992]

A. 3.30 A.M.
B. 8.30 A.M.
C. 3.30 P.M.
D. 8.30 P.M.
Answer» D. 8.30 P.M.
940.

The polar regions of the earth cannot support forest growth because:

A. the rainfall is very low
B. the growing season is short in these areas
C. the ground is often frozen or snow or ice-covered
D. all the above factors
Answer» E.
941.

The role of spines in the desert plants is :

A. to protect themselves from the herbivores.
B. to provide more surface for photosynthesis
C. to save the moisture from evaporation.
D. none of the above
Answer» D. none of the above
942.

Summer Solstice in the Southern Hemisphere occurs on :

A. December 22
B. September 23
C. June 21
D. March 21
Answer» B. September 23
943.

Which one of the following countries makes maximum use of the geothermal energy?[IAS 2004]

A. New Zealand
B. Japan
C. Iceland
D. Russia
Answer» D. Russia
944.

Westerlies in southern hemisphere are stronger and persistent than in northernhemisphere. Why? 1. Southern hemisphere has less landmass as compared to northern hemisphere. 2. Coriolis force is higher in southern hemisphere as compared to northern hemisphere. Which of the statements given above is fare correct? [CSAT 2011]

A. 1 only
B. 2 only
C. Both 1 and 2
D. Neither 1 nor 2
Answer» B. 2 only
945.

The chief industry of Afghanistan is : [IFS 1988]

A. cotton textiles
B. carpet making
C. sugar refining
D. automobile manufacturing
Answer» C. sugar refining
946.

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» B. water-bodies
947.

The major oil producing area in U.S.A. is :

A. Texas-Louisiana belt
B. California-Colorado belt
C. Ohio-Indiana belt
D. Appalachian region
Answer» B. California-Colorado belt
948.

Consider the following statements: 1. Ocean currents are the slow-surface movement of water in the ocean 2. Ocean currents assist in maintaining the Earth's heat balance 3. Ocean currents are set in motion primarily by prevailing winds 4. Ocean current are affected by the configuration of the ocean Which of these statements are correct?

A. 1 and 2
B. 2, 3 and 4
C. 1, 3 and 4
D. 1, 2, 3 and 4
Answer» E.
949.

Which of the following is known as "the cold pole" of theworld?

A. Laurentian region of Canada
B. Verkhoyansk in Russia
C. Antarctica
D. Greenland
Answer» C. Antarctica
950.

A block of the earth's crust that has remained in position while the ground around it hassubsides is known as : [NDA 2001]

A. horst
B. plain
C. plateau
D. young folded mountain
Answer» B. plain