MCQOPTIONS
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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.
| 551. |
An important gas in the atmosphere that absorbs sun'sultraviolet rays is |
| A. | Oxygen |
| B. | Nitrogen |
| C. | Ozone |
| D. | Hydrogen |
| Answer» D. Hydrogen | |
| 552. |
Atlantic and Pacific Oceans are connected by _____ canal |
| A. | Suez |
| B. | Panama |
| C. | Kiel |
| D. | Soo |
| Answer» C. Kiel | |
| 553. |
The wettest place in the world is Cherrapunji (Assam). TheHottest place is |
| A. | Azizia (Libya) |
| B. | Ramagundam (India) |
| C. | Stwart Island (New Zealand) |
| D. | Kandy (Sri Lanka) |
| Answer» B. Ramagundam (India) | |
| 554. |
Perspiration is maximum when temperature is : |
| A. | low and air is dry |
| B. | low and air is humid |
| C. | high and air is dry |
| D. | high and air is humid |
| Answer» E. | |
| 555. |
A narrow strip of land connecting two large land masses iscalled |
| A. | ridge |
| B. | peninsula |
| C. | isthmus |
| D. | neck |
| Answer» D. neck | |
| 556. |
Which of the following is not a product of the 'MonsoonForests'? |
| A. | Teak |
| B. | Sal |
| C. | Olive |
| D. | Bamboo |
| Answer» D. Bamboo | |
| 557. |
There are two types of crusts – the continental and the oceanic. The continental crust is |
| A. | thicker below the plains than below mountains |
| B. | thicker below the mountains than below the plains |
| C. | almost same all over |
| D. | thicker under the oceans than under the seas |
| Answer» C. almost same all over | |
| 558. |
The salinity or the sea is maximum at the |
| A. | Indian Ocean |
| B. | Red Sea |
| C. | Baltic Sea |
| D. | Atlantic Ocean |
| Answer» C. Baltic Sea | |
| 559. |
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» D. At Delhi the sun can come overhead but it will never do so at Mumbai | |
| 560. |
Halley's comet appears once in a period of: |
| A. | 24 years |
| B. | 32 years |
| C. | 76 years |
| D. | 84 years |
| Answer» D. 84 years | |
| 561. |
The World's largest producer of wool is: |
| A. | India |
| B. | Russia |
| C. | U.S.A |
| D. | Australia |
| Answer» E. | |
| 562. |
Relative humidity of the atmosphere is directly affected by : |
| A. | change in atmospheric pressure |
| B. | change in atmospheric temperature |
| C. | change in the direction of winds |
| D. | none of these |
| Answer» C. change in the direction of winds | |
| 563. |
The Hawaii islands are the top of submerged: [NDA 1991] |
| A. | block mountains |
| B. | folded mountains |
| C. | volcanic mountains |
| D. | dome mountains |
| Answer» D. dome mountains | |
| 564. |
Mr. X has been invited to participate in a conference to be held at Buenos Aires. He haschosen the following shortest flight route: Mumbai to Frankfurt (non-stop), Frankfurt to Sao Paulo (non-stop), Sao Paulo to Buenos Aires (non-stop), Which one of the following seas will likely to be flown over by Mr. X? [CDS 2011] |
| A. | Tasman Sea |
| B. | Labrador Sea |
| C. | Beaufort Sea |
| D. | Black Sea |
| Answer» E. | |
| 565. |
An aeroplane takes off from 30° N latitude, 50° E longitude and lands at the opposite end of the earth. Where does it land? [IAS 1994] |
| A. | 30° N Lat., 50° W Long |
| B. | 30° S Lat., 50° W long |
| C. | 50° N Lat., 30° W Long |
| D. | 30° N Lat., 130°W long |
| Answer» E. | |
| 566. |
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» D. The summer solstice for the Southern Hemisphere is in December | |
| 567. |
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» C. 8.52 A.M. | |
| 568. |
Which of the following types of forests mostly grow in the belt lying between 50° N and70° N ? |
| A. | Temperate hardwood forests |
| B. | Temperate coniferous forests |
| C. | Temperate deciduous forests |
| D. | Tropical evergreen forests |
| Answer» C. Temperate deciduous forests | |
| 569. |
Which country falls in all three natural regions : Hot desert, Mediterranean and Cooltemperate type of climate? |
| A. | Chile |
| B. | Israel |
| C. | Lebanon |
| D. | None of these |
| Answer» B. Israel | |
| 570. |
The Appalachian coal fields, one of the important coal fields in the world, are locatedin: |
| A. | China |
| B. | Great Britain |
| C. | U.S.A. |
| D. | Russia |
| Answer» D. Russia | |
| 571. |
The denudational processes have not reduced the land masses to a level because: [IAS2003] |
| A. | the sea level is changing |
| B. | the earth movements have uplifted the landmass |
| C. | there has not been enough time |
| D. | these processes are intermittent in action |
| Answer» C. there has not been enough time | |
| 572. |
The country which is commonly known as 'The Land of Golden Fleece' is: [CDS 1991] |
| A. | Australia |
| B. | Britain |
| C. | France |
| D. | Japan |
| Answer» B. Britain | |
| 573. |
World's highest urban density of population occurs in : |
| A. | Kolkata |
| B. | Tokyo |
| C. | New York |
| D. | London |
| Answer» C. New York | |
| 574. |
Stars which appear single to the naked eye but are double stars when observed by a telescope, are known as : |
| A. | cosmic stars |
| B. | quasars |
| C. | binaries |
| D. | novae and supernovae |
| Answer» D. novae and supernovae | |
| 575. |
Consider the following statements: 1. Nearly 99 percent of the total mass of the atmosphere lies within 30 km of the Earth's surface. 2. The proportion of ozone in the atmosphere increases to a maximum at about 60 km from Earth's surface. Which of the statements given above is/are correct? [IAS 2008] |
| A. | 1only |
| B. | 2 only |
| C. | Both 1 and 2 |
| D. | Neither 1 nor 2 |
| Answer» B. 2 only | |
| 576. |
Which one of the following straits is nearest to the International Date Line? [IAS 2008] |
| A. | Malacca Strait |
| B. | Bering Strait |
| C. | Strait of Florida |
| D. | Strait of Gibraltar |
| Answer» C. Strait of Florida | |
| 577. |
Which one of the following countries has the largest known reserves of oil ? [UP PCS2002] |
| A. | Kuwait |
| B. | Iran |
| C. | Iraq |
| D. | Nigeria |
| Answer» B. Iran | |
| 578. |
Which one of the following countries does not border the Caspian sea? [IAS 2003] |
| A. | Armenia |
| B. | Azerbaijan |
| C. | Kazakhstan |
| D. | Turkmenistan |
| Answer» B. Azerbaijan | |
| 579. |
The depositional feature at the point where the river comesdown from hills to plain is |
| A. | meander |
| B. | water fall |
| C. | levee |
| D. | alluvial fan |
| Answer» E. | |
| 580. |
The velocity of winds is related to : |
| A. | the amount of moisture they carry |
| B. | the nearness to the sea |
| C. | pressure gradient in the direction of their flow |
| D. | the direction in which they blow |
| Answer» D. the direction in which they blow | |
| 581. |
The average elevation of Tibetan Plateau above sea level is: [IAS 1994] |
| A. | 2 km |
| B. | 3 km |
| C. | 4 km |
| D. | 5 km |
| Answer» D. 5 km | |
| 582. |
Postaz are temperate grassland in: |
| A. | Australia |
| B. | South Africa |
| C. | Hungary |
| D. | Egypt |
| Answer» D. Egypt | |
| 583. |
Why does temperature increase with increase in height inStratosphere? |
| A. | Closeness of the sun |
| B. | Decrease in atmospheric pressure |
| C. | Concentration of ozone |
| D. | None of these |
| Answer» D. None of these | |
| 584. |
The current produced by upwelling of cold water off the coast of Chile and Peru isknown as [NDA 2011] |
| A. | El Nino |
| B. | Humboldt current |
| C. | Agulhas current |
| D. | Canary current |
| Answer» C. Agulhas current | |
| 585. |
Caucasoid people account for ______ per cent of worldpopulation. |
| A. | 33 |
| B. | 39 |
| C. | 29 |
| D. | 43 |
| Answer» B. 39 | |
| 586. |
Seasonal contrasts are maximum in |
| A. | low latitudes |
| B. | high latitudes |
| C. | mid latitudes |
| D. | subtropics |
| Answer» D. subtropics | |
| 587. |
The well-defined zones of seismic activity in the world where the largest number ofearthquakes originates is : |
| A. | Mediterranean Zone |
| B. | Circum Pacific Belt |
| C. | Mid oceanic Rift Valley Zone |
| D. | African Rift Valley Zone |
| Answer» C. Mid oceanic Rift Valley Zone | |
| 588. |
The instrument used for finding out wind-direction is : |
| A. | anemometer |
| B. | wind vane |
| C. | wind gauze |
| D. | hygrometer |
| Answer» C. wind gauze | |
| 589. |
Arrange the following gases of the atmosphere in increasing order by volume: 1. Nitrogen 2. Oxygen 3. Carbon dioxide 4. Argon |
| A. | I, II, III, IV |
| B. | l, II, IV, III |
| C. | III, IV, II, I |
| D. | IV, III, II, I |
| Answer» D. IV, III, II, I | |
| 590. |
Seasonal contrast in temperature are minimum in the equatorial region because: |
| A. | sky is always overcast |
| B. | sun is almost vertically overhead throughout the year |
| C. | forests prevent sunlight from reaching the ground |
| D. | rainfall cool the atmosphere |
| Answer» C. forests prevent sunlight from reaching the ground | |
| 591. |
What happens to tropical soils when the rain forest is cleared? [IAS 2004] |
| A. | The soil improves to the extent that soluble nutrients are no longer depleted by the trees |
| B. | There is little effect on the soil because of its depth of |
| C. | Clearing interrupts the critical nutrient cycle and leads to soil leaching |
| D. | The soils stabilise and become excellent for grain |
| Answer» D. The soils stabilise and become excellent for grain | |
| 592. |
In which of the following countries, is the ratio of hydroelectric generation to the total electricity generation the highest? [IAS 2004] |
| A. | Norway |
| B. | Sweden |
| C. | Italy |
| D. | Denmark |
| Answer» B. Sweden | |
| 593. |
Which of the following is called ‘Herring Pond’? |
| A. | Atlantic Ocean |
| B. | Black Sea |
| C. | Dead Sea |
| D. | Pacific Ocean |
| Answer» B. Black Sea | |
| 594. |
Which of the following is the leading producer of rice? [CRPF 1990] |
| A. | Australia |
| B. | Argentina |
| C. | China |
| D. | Cuba |
| Answer» D. Cuba | |
| 595. |
The Earth turns through 360° in 24 hours. Each 15° longitude represents: |
| A. | Half an hour |
| B. | Forty five minutes |
| C. | One hour |
| D. | One hour fifteen minutes |
| Answer» D. One hour fifteen minutes | |
| 596. |
Cyclone is a system of wind blowing: [CBI 1991] |
| A. | spirally outwards from a high pressure region |
| B. | spirally towards low pressure region |
| C. | in a straight line from high to low pressure region |
| D. | from Ball of Bengal towards Bangladesh annually |
| Answer» C. in a straight line from high to low pressure region | |
| 597. |
"Mohs' Scale" is used to indicate the: [IAS 2003] |
| A. | degree of brittleness of a substance |
| B. | degree of hardness of minerals. |
| C. | degree of viscosity of a liquid |
| D. | degree of elasticity of a material |
| Answer» C. degree of viscosity of a liquid | |
| 598. |
Which of the following statements is correct ? 1. All meridians are of the same length 2. All latitudes are of the same length 3. The Prime Meridian is the longest meridian 4. The Equator is the longest latitude |
| A. | 1 and 2 |
| B. | 2 and 3 |
| C. | 3 and 4 |
| D. | 1 and 4 |
| Answer» E. | |
| 599. |
The smallest amongst the following continents is ______. |
| A. | Africa |
| B. | Antarctica |
| C. | North America |
| D. | South America |
| Answer» E. | |
| 600. |
What is the similarity between Milwaukee Deep, Java Trench and Challenger Deep?[CDS 2011] |
| A. | They all are trenches in the Pacific Ocean |
| B. | They are the deepest points of the Atlantic, Indian and Pacific Oceans, respectively |
| C. | They all are trenches in the Indian Ocean |
| D. | They all are deeps of the Atlantic Ocean |
| Answer» C. They all are trenches in the Indian Ocean | |