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MCQOPTIONS
This section includes 2658 Mcqs, each offering curated multiple-choice questions to sharpen your UPSC IAS Exam knowledge and support exam preparation. Choose a topic below to get started.
| 2201. |
Consider the following statements: 1. The approach of a cyclone is characterised by a rise in baromenic reading. 2. In the cyclones of the Northern hemisphere, the winds circulate in anticlockwise direction. Which of the statements given above is/are correct? |
| A. | 1 only |
| B. | 2 only |
| C. | Both 1 and 2 |
| D. | Neither 1 nor 2 |
| Answer» D. Neither 1 nor 2 | |
| 2202. |
Which of the following are rightly matched? List I List II A. Hurricanes 1. Coast of Florida B. Typhoons 2. Australia C. Willy-willies 3. China D. Tornadoes 4. U.S.A. |
| A. | 1 and 2 only |
| B. | 2 and 3 only |
| C. | 3 and 4 only |
| D. | 1 and 4 only |
| Answer» E. | |
| 2203. |
Ozone holes are more pronounced at the [NDA 2017-I] |
| A. | Equator |
| B. | Tropic of Cancer |
| C. | Tropic of Capricorn |
| D. | Poles |
| Answer» E. | |
| 2204. |
Which of the following statements regarding hurricanes is/are correct? 1. They develop over the ocean between \[8{}^\circ -15{}^\circ \] N. 2. They are almost absent in the South Atlantic Ocean. 3. They do not develop close to the equator. Select the correct answer using the code given below. |
| A. | 1 only |
| B. | 2 and 3 only |
| C. | 1 and 3 only |
| D. | 1, 2 and 3 |
| Answer» B. 2 and 3 only | |
| 2205. |
Consider the following statements about the objectives of biosphere reserves programme in India and select the correct answer using the code given below: 1. To serve as a wider base for conservation of the entire range of living resources and their ecological foundation. 2. To bring out representative ecosystems under conservation and sustainable use on a long term basis. 3. To ensure participation of local inhabitants for effective management and advise on means of improving livelihood of the local inhabitants through sustainable use. 4. To integrate scientific research with traditional knowledge of conservation, education and training as part of the overall management of biosphere reserve. |
| A. | 1, 2 and 3 are correct |
| B. | 1, 2 and 4 are correct |
| C. | 1, 3 and 4 are correct |
| D. | 1, 2, 3 and 4 are correct |
| Answer» D. 1, 2, 3 and 4 are correct | |
| 2206. |
Spring tides occur when |
| A. | the moon, the sun and the earth are in the same line |
| B. | the moon, the sun and the earth are the right angles, with the earth at the apex |
| C. | the moon is nearest to the earth |
| D. | the moon is farthest from the earth |
| Answer» B. the moon, the sun and the earth are the right angles, with the earth at the apex | |
| 2207. |
Consider the following statements and select the correct answer from the codes given below: Assertion [A]: The polar front theory states that masses of relatively, warm and cold air arc brought into contact. Reason [R]: These masses are known after their source regions. |
| A. | Both A and R are correct and R is the correct explanation of A. |
| B. | Both A and R are correct, but R is not the correct explanation of A. |
| C. | A is true, but R is false. |
| D. | R is true, but A is false. |
| Answer» C. A is true, but R is false. | |
| 2208. |
Match the following List I List II A. Temperature falls 1. Ionosphere with height B. Reflects radio waves back 2. Stratosphere C. Contains most of Ozone 3. Troposphere D. Fall in temperature stops 4. Tropopause |
| A. | A-2 B-3 C-4 D-1 |
| B. | A-1 B-2 C-3 D-4 |
| C. | A-4 B-3 C-2 D-1 |
| D. | A-3 B-1 C-2 D-4 |
| Answer» E. | |
| 2209. |
In which form is atmospheric humidity expressed? |
| A. | Absolute humidity |
| B. | Specific humidity |
| C. | Relative humidity |
| D. | All of these |
| Answer» E. | |
| 2210. |
Winter temperature ranging from -29\[{}^\circ \]C to -40\[{}^\circ \]C, summer temperature about 10\[{}^\circ \]C, total annual precipitation about 25 cm, and low humidity. These characterise the climate. |
| A. | Taiga |
| B. | Tundra |
| C. | Mountain |
| D. | West European |
| Answer» C. Mountain | |
| 2211. |
Monsoons are best developed in I. India II. China III. Japan IV. Bangladesh Code: |
| A. | Only I |
| B. | I and II only |
| C. | I, II, III only |
| D. | I, II, III, IV |
| Answer» E. | |
| 2212. |
Which one of the following statements is not correct about the Nilgiri Biosphere Reserve? |
| A. | Temperature varies between \[{{4}^{o}}\] to \[{{41}^{o}}C\] |
| B. | Rainfall varies between 50 to 700 cm. |
| C. | Its largest core area lies in the state of Tamil Nadu. |
| D. | It is represented by sholas (stunted trees) and savanna grassland vegetation, |
| Answer» D. It is represented by sholas (stunted trees) and savanna grassland vegetation, | |
| 2213. |
The Denwa, Dudhi and Tawa rivers drain which of the following biosphere reserves? |
| A. | Achanakmar |
| B. | Panchmarhi |
| C. | Panna |
| D. | Simlipal |
| Answer» C. Panna | |
| 2214. |
Consider the following statements and select the correct answer using the code given below: 1. Sundarbans is the only mangrove in the world which is inhabited by tigers. 2. The Sundarban Biosphere Reserve was included in the World Heritage list in 1989, and included in UNESCO World Network of Biospheres Reserves in 2001. 3. Sundarbans saves Kolkata and suburbs from annual high gales from the sea 4. Sundarbans is the largest contiguous mangrove patch on globe. |
| A. | 1, 2 and 3 are correct |
| B. | 1, 3 and 4 are correct |
| C. | 2, 3 and 4 are correct |
| D. | 1, 2, 3 and 4 are correct |
| Answer» E. | |
| 2215. |
Match the following List I List II A. Foehn??????? 1. Leeward side of the Alps B. Chinook???? 2. Rockies of North America C. Mistral?????? 3. Rhone Valley D. Brickfielder? 4. Australia |
| A. | A-2, B-1, C-4, D-3 |
| B. | A-1, B-2, C-3, D-4 |
| C. | A-3, B-4, C-1, D-2 |
| D. | A-4, B-2, C-3, D-1 |
| Answer» B. A-1, B-2, C-3, D-4 | |
| 2216. |
A band of wind called 'Jet Stream' is found in- [UGC-II (Geog) 2016] |
| A. | Lower Troposphere |
| B. | Middle Troposphere |
| C. | Upper Troposphere |
| D. | Whole Troposphere |
| Answer» D. Whole Troposphere | |
| 2217. |
Which of the following statements is/are issues regarding the equatorial low pressure belt? 1. There is very little flow of air 2. The air continuously descends 3. The Inter-tropical convergence Zone (ITZ) formed by the converging winds maintains its position at the equator throughout the year. 4. The converging air is dry. |
| A. | 1 and 4 only |
| B. | 2 and 3 only |
| C. | 1 and 2 only |
| D. | 3 and 4 only |
| Answer» B. 2 and 3 only | |
| 2218. |
Consider the following atmospheric conditions with reference to Tropical cyclones. 1. High relative humidity. 2. Warm oceanic temperature. 3. Region King between the tropics of Cancer and Capricorn. Which of the above motivate the development of cyclone? |
| A. | 1 and 2 only |
| B. | 2 and 3 only |
| C. | 1 and 3 only |
| D. | 1, 2 and 3 |
| Answer» E. | |
| 2219. |
Inversion of temperature in the troposphere occurs when 1. Nights are short 2. Sky is covered with clouds 3. Weather is stable 4. Air is dry Which of the above factors are correct? |
| A. | 1 and 2 only |
| B. | 2 and 3 only |
| C. | 3 and 4 only |
| D. | 1 and 4 only |
| Answer» D. 1 and 4 only | |
| 2220. |
When the winds blow from all sides to the central low in an anticlockwise direction, then this phenomenon is known as |
| A. | anti-tropical cyclones of southern hemisphere |
| B. | temperate cyclones of northern hemisphere |
| C. | tropical cyclones of northern hemisphere |
| D. | tropical cyclones of southern hemisphere |
| Answer» E. | |
| 2221. |
The correct sequence of different layers of the atmosphere from 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. | |
| 2222. |
Consider the following statements and select the correct answer using the code given below: 1. The Red Data Book (1966) was issued by the International Union of Conservation of Nature (IUCN). 2. The Red Data Book contains a list of threatened species. 3. The Red Data Book decision was taken at Morges situated along the coast of Geneva (Switzerland) |
| A. | 1 and 2 are correct |
| B. | 1 and 3 are correct |
| C. | 2 and 3 are correct |
| D. | 1, 2 and 3 are correct |
| Answer» E. | |
| 2223. |
Consider the following surface wins: [NDA/NA 2014-I] 1. Doldrums 2. Trade winds 3. Westerlies 4. Polar winds Which one among the following is the idealized global pattern of these winds from the Equator to the Pole'. |
| A. | 1, 2, 3, 4 |
| B. | 1, 3, 2, 4 |
| C. | 2, 1, 4, 3 |
| D. | 3, 1, 2, 4 |
| Answer» B. 1, 3, 2, 4 | |
| 2224. |
The lowest temperature in India is recorded at |
| A. | Leh |
| B. | Dras |
| C. | Kupwara |
| D. | Baramula |
| Answer» C. Kupwara | |
| 2225. |
Which among the following represents the correct sequence in increasing height, of different types of cloud formation? |
| A. | Cirrus, cumulonimbus, stratus, cumulus |
| B. | Stratus, cumulus, cirrus, cumulonimbus |
| C. | Cumulonimbus, cumulus, stratus, cirrus |
| D. | Cirrus, cumulus, cumulonimbus, stratus |
| Answer» D. Cirrus, cumulus, cumulonimbus, stratus | |
| 2226. |
A biosphere reserve of India has the unique distinction of being a Natural World Heritage Site, Tiger Reserve, Rhino Reserve, Elephant Reserve and important Bird Area The above statement pertains to which of the following biosphere reserves? |
| A. | Great Nicobar |
| B. | Dibru Saikhowa |
| C. | Manas |
| D. | Simlipal |
| Answer» D. Simlipal | |
| 2227. |
Consider the following statements about soybean cultivation and select the correct answer given below: 1. Soyabean requires \[{{13}^{o}}\] to \[{{24}^{o}}C\] of temperature. 2. Soyabean requires 40-60 cm of rainfall. 3. It is a Rabi crop. 4. Before sowing its seeds are inoculated with Gur (crude-sugar). Code: |
| A. | 1, 2 and 3 are correct |
| B. | 1, 3 and 4 are correct |
| C. | 1, 2 and 4 are correct |
| D. | 1, 2, 3 and 4 are correct |
| Answer» D. 1, 2, 3 and 4 are correct | |
| 2228. |
Which one of the following pairs of properties of typical air masses is correct? [NDA/NA 2015-II] |
| A. | Air Mass Source Region Maritime Equatorial Warm oceans in the equatorial zone |
| B. | Air Mass Source Region Maritime Polar Warm oceans in the tropical zone |
| C. | Air Mass Source Region Continental Tropical Less warm oceans in the tropical zone |
| D. | Air Mass Source Region Continental Polar Moist oceans in the polar zone |
| Answer» B. Air Mass Source Region Maritime Polar Warm oceans in the tropical zone | |
| 2229. |
Consider the following statements 1. Air is saturated when the relative humidity is 100 percent 2. Air is saturated when dew point is reached 3. Air is saturated when freezing point is reached Which of the above statements is/are correct? |
| A. | 1 and 2 only |
| B. | 2 and 3 only |
| C. | 1 and 3 only |
| D. | 1, 2 and 3 |
| Answer» B. 2 and 3 only | |
| 2230. |
Consider the following statements and select the correct answer using the code given below: 1. Agenda 21 of the Earth Summit was an important agreement about sustainable development. 2. Agenda 21 was a binding action programmer for all the member countries of the UNO. |
| A. | Only 1 is correct |
| B. | Only 2 is correct |
| C. | Both 1 and 2 are correct |
| D. | Neither 1 nor 2 is correct |
| Answer» D. Neither 1 nor 2 is correct | |
| 2231. |
Arrange the size of holdings of the following states of India in a descending order and select the correct answer using the code given below: 1. Gujarat 2. Madhya Pradesh 3. Maharashtra 4. Rajasthan |
| A. | Rajasthan, Maharashtra, Madhya Pradesh and Gujarat |
| B. | Rajasthan, Maharashtra, Gujarat and Madhya Pradesh |
| C. | Maharashtra, Gujarat, Madhya Pradesh and Rajasthan |
| D. | Maharashtra, Gujarat, Rajasthan and Madhya Pradesh |
| Answer» C. Maharashtra, Gujarat, Madhya Pradesh and Rajasthan | |
| 2232. |
Which one of the following places records the lowest temperature in the month of January? |
| A. | Mumbai |
| B. | Chennai |
| C. | Bengaluru |
| D. | Kolkata |
| Answer» D. Kolkata | |
| 2233. |
With what type of climate is the pedogenic regime of podzolisation associated? |
| A. | Hot and dry |
| B. | Humid temperate |
| C. | Equatorial |
| D. | Cool and dry |
| Answer» C. Equatorial | |
| 2234. |
Which one of the following is not the objective of biosphere reserves? |
| A. | To conserve biodiversity |
| B. | To promote education and research |
| C. | To promote tourism |
| D. | To conserve cultural diversity |
| Answer» D. To conserve cultural diversity | |
| 2235. |
Consider the following statements and select the correct answer with the help of codes given below: Assertion [A]: The work of wind as an agent of gradation is not as widespread as that of water. Reason [R]: It is effective only in the desert regions of the world where rainfall is scanty and soil particles are loose. |
| A. | Both A and R are true and R is the correct explanation of A. |
| B. | Both A and R are true, but R is not the correct explanation of A. |
| C. | A is true, but R is false. |
| D. | A is false, but R is true. |
| Answer» B. Both A and R are true, but R is not the correct explanation of A. | |
| 2236. |
Consider the following statements 1. In Koppen's classification of world climates, 'B' climate is based on precipitation while 'A' climate is based on rainfall. 2. 'C' climate has temperature above \[{{18}^{o}}C\] throughout the year. Which of the above statements is/are correct? |
| A. | 1 only |
| B. | 2 only |
| C. | Both 1 and 2 |
| D. | Neither 1 nor 2 |
| Answer» B. 2 only | |
| 2237. |
The horizontal wind circulation near the Earth's surface is due to the [NDA 2015-I] 1. pressure gradient. 2. frictional force. 3. coriolis force. Select the correct answer using the code give below: |
| A. | 1 only |
| B. | 2 and 3 only |
| C. | 1 and 3 only |
| D. | 1, 2 and 3 |
| Answer» D. 1, 2 and 3 | |
| 2238. |
Sirocco is a name used to mean |
| A. | a local wind |
| B. | a volcano |
| C. | an island |
| D. | an ocean current |
| Answer» B. a volcano | |
| 2239. |
Which one of the following is considered as an interruption of the planetary wind system? |
| A. | Trade winds |
| B. | Western winds |
| C. | Monsoon winds |
| D. | Polar winds |
| Answer» D. Polar winds | |
| 2240. |
Consider the following statements and select the correct answer using the code given below: 1. Dibru-Saikhowa Biosphere Reserve lies in the tropical monsoon climate. 2. It is situated on the south bank of the Brahmaputa River in E Assam. 3. It is frequently inundated in summer season. 4. It has several primitive species of vascular plants in the reserve and is known for luxurious tropical evergreen forests. |
| A. | 1, 2 and 3 are correct |
| B. | 1, 2 and 4 are correct |
| C. | 1, 3 and 4 are correct |
| D. | 1, 2, 3 and 4 are correct |
| Answer» E. | |
| 2241. |
Which one of the following statements regarding 'Green Climate Fund' is/are correct? 1. It is intended to assist the developing countries in adaptation and mitigation practices to counter climate change. 2. It is funded under the aegis of UNEP, OECD, Asian Development Bank and World Bank Select the correct answer using the code given below: |
| A. | 1 only |
| B. | 2 only |
| C. | Both 1 and 2 |
| D. | neither 1 nor 2 |
| Answer» B. 2 only | |
| 2242. |
Consider the following statements 1. About 11 per cent of India's area receives above 200 cm annual rainfall. 2. It pours, it never rains in India. 3. Although caused by monsoons, the rainfall over -large parts of India is primarily orographic. Which of the above statements is/are correct? |
| A. | 1 only |
| B. | 1 and 2 only |
| C. | 2 and 3 only |
| D. | 1, 2, and 3 |
| Answer» E. | |
| 2243. |
Consider the following statements:?????????? 1. Regular fall of temperature with height in the troposphere is known as normal lapse rate. 2. Rise in temperature with height is called inversion of temperature.???????????????? Which of the above statements is/are correct?? |
| A. | 1 only |
| B. | 2 only???????????? |
| C. | both 1 and 2???? |
| D. | Neither 1 nor 2?? |
| Answer» D. Neither 1 nor 2?? | |
| 2244. |
Mist is a result of which one of the following |
| A. | Condensation |
| B. | Evaporation |
| C. | Sublimation |
| D. | Saturation |
| Answer» B. Evaporation | |
| 2245. |
Which of the following are not a planetary wind? |
| A. | Easterlies |
| B. | Westerlies |
| C. | Drainage winds |
| D. | Trade winds |
| Answer» D. Trade winds | |
| 2246. |
Which one of the following statements about the atmosphere is correct? [CDS 2016-11] |
| A. | The atmosphere has definite upper limits but gradually thins until it becomes imperceptible. |
| B. | The atmosphere has no definite upper limits but gradually thins until it becomes imperceptible. |
| C. | The atmosphere has definite upper limits but gradually thickens until it becomes imperceptible. |
| D. | The atmosphere has no definite upper limits but gradually thickens until it becomes imperceptible. |
| Answer» C. The atmosphere has definite upper limits but gradually thickens until it becomes imperceptible. | |
| 2247. |
Which one among the following statements regarding Chinook winds is not correct? [CDS 2017-II] |
| A. | These are local winds |
| B. | The descend along the Eastern slopes of the rocky mountain in mid-latitudes |
| C. | They bring lots of rain with them |
| D. | They benefit agriculture |
| Answer» D. They benefit agriculture | |
| 2248. |
Which one among the following is not a factor that affects direction of wind? [NDA/NA 2013-II] |
| A. | Pressure gradient |
| B. | Friction |
| C. | Magnetism |
| D. | Coriolis effect |
| Answer» D. Coriolis effect | |
| 2249. |
Consider the following statements 1. Absolute humidity is the total weight of moisture contained per volume of air at a defined temperature. 2. Specific humidity is the mass of water vapour in grams contained in one kg of air. 3. Relative humidity is the ratio of water vapour actually present in the air having definite volume and temperature to the maximum amount the air can hold. 4. Humidity capacity is the moisture content of air measure in gm/cc. |
| A. | 1 and 2 only |
| B. | 2 and 3 only |
| C. | 1, 2 and 3 only |
| D. | 1, 2, 3 and 4 |
| Answer» E. | |
| 2250. |
Which of the following layers of the atmosphere and their characteristic is (are) correctly matched? List I (Atmospheric Layers) List II (Characteristics) A. Troposphere 1. All weather phenomena B. Stratosphere 2. Presence of ozone layer C. Ionosphere 3. Electricity charged particles D. Mesosphere 4. Aurora Borealis |
| A. | A and B |
| B. | A, B and C |
| C. | B, C and D |
| D. | A, B, C and D |
| Answer» C. B, C and D | |