MCQOPTIONS
Saved Bookmarks
MCQOPTIONS
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.
| 151. |
'Contours' are lines connecting places having: [Railways 1991] |
| A. | equal temperature |
| B. | equal pressure |
| C. | equal rainfall |
| D. | equal height |
| Answer» E. | |
| 152. |
Carbonaceous rocks which produce coal and of belong to thecategory of rocks called |
| A. | metamorphic |
| B. | igneous |
| C. | sedimentary |
| D. | inorganic |
| Answer» D. inorganic | |
| 153. |
Precipitation takes place when: |
| A. | the sky is overcast with clouds |
| B. | temperature of moisture in air suddenly increases |
| C. | temperature of moisture in air sharply decreases |
| D. | winds begin to blow in a circular motion |
| Answer» C. temperature of moisture in air sharply decreases | |
| 154. |
The correct sequence of different layers of the atmospherefrom the surface of the Earth upwards is: |
| A. | Troposphere, Stratosphere, Ionosphere, Mesosphere |
| B. | Stratosphere, Troposphere, Ionosphere, Mesosphere |
| C. | Troposphere, Stratosphere, Mesosphere, Ionosphere |
| D. | Stratosphere, Troposphere, Mesosphere, Ionosphere |
| Answer» D. Stratosphere, Troposphere, Mesosphere, Ionosphere | |
| 155. |
There is a continual daylight or summer in the Arctic regions from: |
| A. | 22nd December to 21st March |
| B. | 21st March to 21st June |
| C. | 21st March to 23rd September |
| D. | 21st June to 22nd December |
| Answer» D. 21st June to 22nd December | |
| 156. |
The thermal equator is found: |
| A. | at the equator |
| B. | south of geographical equator |
| C. | north of geographical equator |
| D. | at the Tropic of Cancer |
| Answer» D. at the Tropic of Cancer | |
| 157. |
The upper part of the mantle upon which the crust of the Earth floats is called: [IAS2003] |
| A. | barysphere |
| B. | mesophere |
| C. | mohorovic discontinuity |
| D. | asthenosphere |
| Answer» E. | |
| 158. |
Which is the greatest archipelago on the globe? [Assistant Grade 1993] |
| A. | Japan |
| B. | West Indies |
| C. | Indonesia |
| D. | Philippines |
| Answer» D. Philippines | |
| 159. |
Tropical evergreen forests remain evergreen because : |
| A. | there is a thick undergrowth of bushes |
| B. | they do not shed their leaves. |
| C. | shedding of leaves and simultaneous growth of new ones takes place throughout the year |
| D. | while plants at one level shed their leaves, those at a higher level retain their leaves |
| Answer» D. while plants at one level shed their leaves, those at a higher level retain their leaves | |
| 160. |
The planet having thirteen moons is : |
| A. | Venus |
| B. | Mars |
| C. | Uranus |
| D. | Neptune |
| Answer» E. | |
| 161. |
Which one of the following types of volcanic eruptions is not usually explosive? [IAS 2007] |
| A. | Pelean |
| B. | Hawaiian |
| C. | Strombolian |
| D. | Vulcanian |
| Answer» C. Strombolian | |
| 162. |
The strongest evidence that comets are members of our solar system comes from:[CDS 1992] |
| A. | their composition |
| B. | their effect on the lives of man |
| C. | the shape of their orbits |
| D. | the shape and length of their tails |
| Answer» B. their effect on the lives of man | |
| 163. |
The term used for the zone at low pressure and light and variable winds in the oceanic equatorial regions is : |
| A. | depression |
| B. | doldrums |
| C. | horse-latitudes |
| D. | inter-tropical convergence |
| Answer» B. doldrums | |
| 164. |
Which European country has over 200 volcanoes, many ofthem active? |
| A. | Norway |
| B. | Finland |
| C. | Ireland |
| D. | Iceland |
| Answer» E. | |
| 165. |
Lapse rate is related to the decrease of : [IFS 1998] |
| A. | wind velocity with an ascent of 300 feet |
| B. | humidity with an ascent of 450 feet |
| C. | temperature at 1°F for an ascent of 330 feet |
| D. | pressure with an ascent of 500 feet |
| Answer» D. pressure with an ascent of 500 feet | |
| 166. |
Cork is chiefly produced in : |
| A. | Baku (Russia) |
| B. | Havana (Cuba) |
| C. | Cadiz (Spain) |
| D. | Leeds (England) |
| Answer» D. Leeds (England) | |
| 167. |
Coniferous forests are in the region of: |
| A. | high humidity and high temperature |
| B. | low rainfall and very low temperature throughout the year |
| C. | low mean annual temperature throughout the year and very cold winter |
| D. | heavy rainfall and high temperature during summer |
| Answer» C. low mean annual temperature throughout the year and very cold winter | |
| 168. |
The inequality between day and night becomes greater or more marked as one travels from ______ to ______. |
| A. | Poles, Equator |
| B. | Equator, Poles |
| C. | Tropic of Cancer, Tropic of Capricorn |
| D. | Tropic of Capricorn, Tropic of Cancer |
| Answer» C. Tropic of Cancer, Tropic of Capricorn | |
| 169. |
A layer in the Earth's atmosphere called Ionosphere facilitates radio communication.Why? 1. The presence of ozone causes the reflection of radio waves to Earth. 2. Radio waves have a very long wavelength. Which of the statements given above is fare correct? [CSAT 2011] |
| A. | 1only |
| B. | 2 only |
| C. | Both 1and 2 |
| D. | Neither 1 nor 2 |
| Answer» E. | |
| 170. |
Which among the following is the greatest inland waterway inEurope? |
| A. | Thames |
| B. | Elbe |
| C. | Rhine |
| D. | Volga |
| Answer» D. Volga | |
| 171. |
Which of the following are true regarding ionosphere? 1. It is the uppermost layer of atmosphere 2. The molecules and atoms of nitrogen and oxygen in this layer absorb a part of solar radiation and become ionized 3. This layer is responsible for reflecting back the radio wave~ transmitted from the earth |
| A. | I and II |
| B. | I and II |
| C. | II and III |
| D. | I, II and III |
| Answer» D. I, II and III | |
| 172. |
Which one of the following statements is not true? [IAS 2004] |
| A. | Gulfs with narrow fronts and wider rears experience high tides |
| B. | Tidal currents take place when a gulf is connected with the open sea by a narrow channel |
| C. | Tidal bore occurs when a tide enters the narrow and shallow estuary of a river |
| D. | The tidal nature of the mouth of the river Hooghly is of crucial importance to Kolkata as port |
| Answer» B. Tidal currents take place when a gulf is connected with the open sea by a narrow channel | |
| 173. |
Which one of the following sequences of ocean trenches is correct in terms of the ascending order of their depths? [IAS 2008] |
| A. | Aleutian Trench - Mindanao Trench - New Herbides Trench |
| B. | New Herbides Trench - Mindanao Trench - Aleutian Trench |
| C. | Aleutian Trench - New Herbldes Trench - Mindanao Trench |
| D. | New Herbides Trench - Aleutian Trench - Mindanao Trench |
| Answer» D. New Herbides Trench - Aleutian Trench - Mindanao Trench | |
| 174. |
Asia accounts for nearly ______ percent of world population. |
| A. | 40 |
| B. | 45 |
| C. | 55 |
| D. | 70 |
| Answer» D. 70 | |
| 175. |
The Ocean currents transfer heat from : |
| A. | one sea or ocean to another |
| B. | one coast to another |
| C. | the surface of the sea to greater depths |
| D. | lower to higher latitudes |
| Answer» E. | |
| 176. |
People living in South India generally have more features or |
| A. | Caucasoid |
| B. | Mongoloid |
| C. | Negroid |
| D. | None of these |
| Answer» D. None of these | |
| 177. |
Which one of the following conditions is NOT necessary for precipitation to occur?[NDA 2002] |
| A. | The air must be warm |
| B. | The air must be saturated |
| C. | The air must be cooled below its dew point |
| D. | The air must contain hygroscopic particles |
| Answer» B. The air must be saturated | |
| 178. |
Batholiths and Laccoliths are formations of: [NDA 2003] |
| A. | sedimentary rocks |
| B. | igneous rocks |
| C. | metamorphic rocks |
| D. | polymetamorphosed rocks |
| Answer» C. metamorphic rocks | |
| 179. |
Which one of the following seas is without a coastline? [CDS 1999] |
| A. | White sea |
| B. | Sargasso sea |
| C. | Sea of Okhotsk |
| D. | Tasman sea |
| Answer» C. Sea of Okhotsk | |
| 180. |
In which of the following units is atmospheric pressuremeasured? |
| A. | Grams per square km |
| B. | Grams per centimetre |
| C. | Kilograms per square metre |
| D. | Pounds per cubic mile |
| Answer» D. Pounds per cubic mile | |
| 181. |
Which one of the following descriptions denotes the phenomenon of El Nino ? [Asstt Comm 2008] |
| A. | A violent rotating column of air extending from a thunderstorm to the ground |
| B. | The deflection of the ocean currents in the northern and southern hemispheres due to the rotation of Earth |
| C. | The Anomalous widespread warming of the sea surface of the tropical east and central Pacific Ocean |
| D. | The revolving tropical storms of the Caribbean and Gulf of Mexico |
| Answer» D. The revolving tropical storms of the Caribbean and Gulf of Mexico | |
| 182. |
Which of the following features are product of vulcanicity? 1. Atoll 2. Caldera 3. Batholith 4. Geosyncline |
| A. | I, II and III |
| B. | I and IV |
| C. | II and III |
| D. | I, III and IV |
| Answer» D. I, III and IV | |
| 183. |
The 'ring of fire' : 1. is associated with earthquakes 2. is associated with volca noes 3. goes round the Pacific Ocean 4. is associated with forest fires |
| A. | 1, 2 and 3 |
| B. | 2 and 3 |
| C. | 2 and 4 |
| D. | 1, 2, 3 and 4 |
| Answer» B. 2 and 3 | |
| 184. |
The term 'syzygy' is referred to when the: [IAS 2004] |
| A. | Earth is at perihelion and moon at perigee |
| B. | Earth is at apehelion and moon at apogee |
| C. | Moon and sun are at right angles with reference to the earth |
| D. | Moon, sun and earth lie along a straight line |
| Answer» E. | |
| 185. |
What is the correct sequence of the following in the context of the age of the earthsince its origin? 1. Cenozoic 2. Mesozoic 3. Palaeozoic 4. Protozoic |
| A. | 4, 3, 1, 2 |
| B. | 3, 4, 2, 1 |
| C. | 3, 4, 1, 2 |
| D. | 4, 3, 2, 1 |
| Answer» E. | |
| 186. |
When the wind is deflected due to the rotation of the Earth, it is called as: [NDA 1994] |
| A. | geostropic wind |
| B. | polar wind |
| C. | westerlies |
| D. | trade winds |
| Answer» B. polar wind | |
| 187. |
The instrument, used for recording earthquake waves is : |
| A. | barograph |
| B. | hydrograph |
| C. | pantograph |
| D. | seismograph |
| Answer» E. | |
| 188. |
Which of the following features is the product of vulcanicity ? [NDA 2008] |
| A. | Fold Mountain |
| B. | Escarpment |
| C. | Geosynclines |
| D. | Caldera |
| Answer» E. | |
| 189. |
If the atmospheric air is cooled because of expansion, thecooling is known as |
| A. | adiabatic |
| B. | lapse rate |
| C. | alto-cooling |
| D. | inverse cooling |
| Answer» B. lapse rate | |
| 190. |
Fogs formed along, the sea-coast are due to: |
| A. | advection |
| B. | radiaton |
| C. | convection |
| D. | conduction |
| Answer» B. radiaton | |
| 191. |
The largest and the busiest inland waterways in the world is : |
| A. | R. Rhine in Germany |
| B. | R. Ganga in India |
| C. | The Great Lakes and the rivers St. Lawrence in U.SA |
| D. | R. Lena and Lake Baikal in Russia |
| Answer» D. R. Lena and Lake Baikal in Russia | |
| 192. |
The type of igneous rocks which are formed midway between volcanic and plutonicrocks, are known as : |
| A. | Basalt |
| B. | Hypabyssal |
| C. | Laccolith |
| D. | Batholith |
| Answer» C. Laccolith | |
| 193. |
Which of the following are formed due to collision of continental plates? [IAS 2004] 1. The Alps 2. The Himalayas 3. The Rockies 4. The Caucases mountains Select the correct answer using the codes given below: |
| A. | 1, 2 and 3 |
| B. | 2, 3 and 4 |
| C. | 1, 2 and 4 |
| D. | 1, 3 and 4 |
| Answer» B. 2, 3 and 4 | |
| 194. |
How many kilometres are represented by 1° of latitude? [CDS 2011] |
| A. | 321 km |
| B. | 211 km |
| C. | 111 km |
| D. | 91 km |
| Answer» D. 91 km | |
| 195. |
When does winter solstice occur in the NorthernHemisphere? |
| A. | 21st June |
| B. | 22nd December |
| C. | 21st March |
| D. | 23rd March |
| Answer» C. 21st March | |
| 196. |
The Balkan Peninsula is separated from the rest of Europeby the river. |
| A. | Danube |
| B. | Rhine |
| C. | Elbe |
| D. | Weser |
| Answer» B. Rhine | |
| 197. |
The 'Climate' is the average atmospheric conditions of an area over a considerable period of time. For proper conclusions, observations are needed for a minimum period of: |
| A. | 5 years |
| B. | 10 years |
| C. | 31 years |
| D. | 35 years |
| Answer» D. 35 years | |
| 198. |
The chemically inactive gas present in the atmosphere is : |
| A. | nitrogen |
| B. | argon |
| C. | water vapour |
| D. | oxygen |
| Answer» C. water vapour | |
| 199. |
The ocean currents allow the oceans to_____ year after year. |
| A. | become warmer |
| B. | become colder |
| C. | maintain the same temperature |
| D. | increase salinity |
| Answer» D. increase salinity | |
| 200. |
If the earth's direction of rotation is reversed, what would be the IST when it is noon atthe International Date Line? [IAS 1997] |
| A. | 06.30 hrs |
| B. | 05.30 hrs |
| C. | 18.30 hrs |
| D. | 17.30 hrs |
| Answer» D. 17.30 hrs | |