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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.
| 2151. |
Air masses of Siberia are |
| A. | Polar Maritime |
| B. | Polar Continental |
| C. | Tropical Maritime |
| D. | Tropical Continental |
| Answer» C. Tropical Maritime | |
| 2152. |
For formation of frost, there should be 1. Clear sky 2. Calm air 3. Low relative humidity 4. Temperature below freezing point |
| A. | 1, 2 and 3 |
| B. | 1, 2 and 4 |
| C. | 2, 3 and 4 |
| D. | 1, 3 and 4 |
| Answer» C. 2, 3 and 4 | |
| 2153. |
Consider the following statements 1. Bengaluru receives more rainfall than Mangalore. 2. In the northern plain of India, the amount of annual rainfall decreases from east to west. 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» C. Both 1 and 2 | |
| 2154. |
Which of the following statements is true about insolation? [UK-PSC 2016] |
| A. | Earth's surface receives its energy as short wave electromagnetic radiation |
| B. | On an average earth receives 1.94 calories per sq. cm per minute at the top of the atmosphere |
| C. | Total insolation received at the equator is 400% more than at poles. |
| D. | All of the above |
| Answer» E. | |
| 2155. |
Doldrum is characterized by |
| A. | Uniform high pressure |
| B. | Uniform low pressure |
| C. | High wind velocity |
| D. | High humidity |
| Answer» C. High wind velocity | |
| 2156. |
Which of the following is/are correct? 1. The Northern Pacific is the deepest part of the Ocean. 2. The South-West Pacific is devoid of marginal seas. 3. The South-East Pacific has broad submarine ridges and plateaus. 4. The ocean floor of the Pacific Ocean is fairly uniform with broad rises and depressions. Select the correct answer from the codes given below: |
| A. | 1,2,3,4 |
| B. | 1 and 4 |
| C. | 2 and 3 |
| D. | 1, 3 and 4 |
| Answer» E. | |
| 2157. |
Consider the following statements and select the correct answer using the code given below: 1. French bean or Rajmash is a native of Mexico. 2. The ideal temperature range for proper growth of this crop is \[{{5}^{o}}-{{20}^{o}}C\] |
| 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» B. Only 2 is correct | |
| 2158. |
Upto a height of 50 km from Earth, the atmosphere is composed of |
| A. | nitrogen, oxygen, argon, minor gases |
| B. | only nitrogen and oxygen |
| C. | only minor gases such as carbon dioxide, hydrogen, neon, helium, methane, etc. |
| D. | None of these |
| Answer» B. only nitrogen and oxygen | |
| 2159. |
Which one of the following is produced by rain water action? |
| A. | Gorge |
| B. | Cliff |
| C. | Gully |
| D. | Dome |
| Answer» D. Dome | |
| 2160. |
Thunderstorms are associated with |
| A. | Cumulus clouds |
| B. | Cumulonimbus clouds |
| C. | Cirrus clouds |
| D. | Stratus clouds |
| Answer» C. Cirrus clouds | |
| 2161. |
India's share in the world production of fruits is: |
| A. | 5% |
| B. | 10% |
| C. | 15% |
| D. | 20% |
| Answer» C. 15% | |
| 2162. |
The natural vegetation of a biome has smooth, slender trunks, thin bark and no branches in the lower 2/3rd part of the trunk. Such floral species are found in: |
| A. | Brazil |
| B. | China |
| C. | Spain |
| D. | Siberia |
| Answer» B. China | |
| 2163. |
Which one of the following biosphere reserves is characterized with deep gorges, gullies, saddles, crests, river terraces; and bamboo brakes, subtropical broad leave forests, subtropical pine forests and temperate conifer forests? |
| A. | Dehang Dibang |
| B. | Nanda Devi |
| C. | Nokrek |
| D. | Dibru Saikhowa |
| Answer» B. Nanda Devi | |
| 2164. |
In Koppen's classification of world climate, BSh stands for which type of climate? |
| A. | Tropical rainfall |
| B. | Tropical monsoon |
| C. | Tropical desert |
| D. | Tropical steppe |
| Answer» E. | |
| 2165. |
Which of the following gases in the atmosphere is/are responsible for acid rains? [NDA 2017-I] 1. Oxides of sulphur 2. Oxides of nitrogen 3. Oxides of carbon Select the correct answer using the codes given below |
| A. | 1 and 2 |
| B. | 1 and 3 |
| C. | Only 2 |
| D. | 1, 2 and 3 |
| Answer» C. Only 2 | |
| 2166. |
The National Rural Employment Guarantee Act was passed in: |
| A. | 2001 |
| B. | 2003 |
| C. | 2005 |
| D. | 2007 |
| Answer» D. 2007 | |
| 2167. |
Which one of the National Parks is unique in being a swamp with floating vegetation that supports a rich biodiversity? |
| A. | Bhitarkanika National park |
| B. | Keibul Lamjao National Park |
| C. | Keoladeo Ghana National Park |
| D. | Sultanpur National Park |
| Answer» C. Keoladeo Ghana National Park | |
| 2168. |
Due to .................. the stars seem to be higher in the sky than they actually are. |
| A. | Atmospheric refraction |
| B. | Scattering of light |
| C. | Tyndall Effect |
| D. | Atmospheric reflection |
| Answer» B. Scattering of light | |
| 2169. |
Consider the following statements: 1. Half the water vapour in the air in atmosphere the below an altitude of 1000 m. 2. The amount of perceptible water in the atmosphere increases from the equator to the poles. Which of the statements given above is/are correct? |
| A. | Only 1 |
| B. | Only 2 |
| C. | Both 1 and 2 |
| D. | Neither 1 nor 2 |
| Answer» E. | |
| 2170. |
Consider the following statements and select the correct answer using the code give below: 1. The Gulf of Mannar Biosphere Reserve is strictly protected 2.Fishing activity does take place in the core areas as the locals traditionally enjoy their fishing rights for their livelihood 3. The buffer zone of the Gulf of Mannar Biosphere Reserve consists of both mainland and gulf water. |
| A. | 1, 2 and 3 are correct |
| B. | 1 and 3 are correct |
| C. | 2 and 3 are correct |
| D. | Only 1 is correct |
| Answer» B. 1 and 3 are correct | |
| 2171. |
Logically, what does a continually rising air pressure indicate [CDS 2017] |
| A. | Advent of unsettled and cloudy weather |
| B. | Advent of a cyclone |
| C. | Fine and settled weather |
| D. | Fire and unsettled weather |
| Answer» D. Fire and unsettled weather | |
| 2172. |
Which one of the following biomes is least altered by man? |
| A. | Savanna |
| B. | Mediterranean |
| C. | Equatorial |
| D. | Boreal Forests |
| Answer» E. | |
| 2173. |
The angular speed of a whirlwind in a Tornado towards the centre [NDA 2017-I] |
| A. | decreases rapidly |
| B. | increases |
| C. | remains constant |
| D. | slowly becomes zero |
| Answer» D. slowly becomes zero | |
| 2174. |
Match list I (Characteristic features) with list II (Type of Koppens climatic classification) and select the correct answer using the codes given below: List I List II A. Temperature of the coolest month above \[18{}^\circ C\] 1. B B. Excess of evaporation over precipitation 2. A C. Average temperature of the warmest month of the warmest month below \[10{}^\circ C\] 3. C D. Average temperature \[18{}^\circ C\]to \[3{}^\circ C\] of the coldest month 4. E Code: |
| A. | A-1 B-2 C-3 D-4 |
| B. | A-2 B-1 C-4 D-3 |
| C. | A-3 B-2 C-4 D-3 |
| D. | A-3 B-1 C-2 D-4 |
| Answer» C. A-3 B-2 C-4 D-3 | |
| 2175. |
The sky looks blue because of |
| A. | Selective absorption of radiation by atmosphere |
| B. | Selective scattering of radiation by atmosphere |
| C. | Reflection of blue colour of the oceans |
| D. | Absorption of blue light in the atmosphere |
| Answer» C. Reflection of blue colour of the oceans | |
| 2176. |
Which of the following statements are correct? [a] In a cyclone, the area of low pressure is at the centre surrounded by the areas of high pressure [b] In a cyclone, the areas of low pressure surround the area of high pressure [c] In an anti-cyclone, the area of high pressure is surrounded by the areas of low pressure [d] In an anti-cyclone, the area of low pressure is surrounded by the areas of high pressure Select the correct answer using the code given below: Code: |
| A. | 1 and 2 |
| B. | 1 and 3 |
| C. | 1 and 4 |
| D. | 2 and 4 |
| Answer» C. 1 and 4 | |
| 2177. |
When cyclone in northern hemisphere winds blow |
| A. | anticlockwise |
| B. | clockwise |
| C. | straight centre ward |
| D. | radially outward |
| Answer» B. clockwise | |
| 2178. |
Match the following List-I (Winds) List-II (Place of occurrence) A. Santa Ana 1. Argentina B. Chinook 2. Alps C. Foehn 3. Rockies D. Zonda 4. California |
| A. | A-4 B-3 C-2 D-1 |
| B. | A-2 B-1 C-4 D-3 |
| C. | A-4 B-2 C-3 D-1 |
| D. | A-3 B-4 C-2 D-1 |
| Answer» B. A-2 B-1 C-4 D-3 | |
| 2179. |
Environment and ecology experts have divided India into how many 'biogeographic regions? |
| A. | 6 |
| B. | 8 |
| C. | 10 |
| D. | 16.6 |
| Answer» D. 16.6 | |
| 2180. |
Match List I and List II and select the correct answer using the code given below: List I (Environmental Laws of India) List II (Year) (a) Air Pollution Control Act 1. 1972 (b) Environmental Protection Act 2. 1980 (c) Forest Conservation Act 3. 1981 (d) Wildlife Protection Act 4. 1986 |
| A. | a-3 b-4 c-2 d-1 |
| B. | a-3 b-4 c-1 d-2 |
| C. | a-4 b-3 c-2 d-1 |
| D. | a-4 b-3 c-1 d-2 |
| Answer» B. a-3 b-4 c-1 d-2 | |
| 2181. |
Consider the following statements: 1. In a cyclone, the direction of wind flow is counter clockwise in the northern hemisphere. 2. The tropical cyclone fades away when it reaches land because there is no large supply of warm moist air. 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 | |
| 2182. |
Which of the following statements about tornadoes are correct? [NDA/NA 2017-II] Tornadoes usually spin 1. anticlockwise in the northern hemisphere. 2. clockwise in me southern hemisphere. 3. clockwise in the northern hemisphere. 4. anticlockwise in the southern hemisphere. Select the correct answer using the code given below: |
| A. | 1 and 3 |
| B. | 1 and 2 |
| C. | 2 and 4 |
| D. | 2 and 3 |
| Answer» C. 2 and 4 | |
| 2183. |
Which among the following statements characterized El Nino? I. It occurs at irregular intervals II. It carriers warmer water III. It carries less saline water IV. Its atmospheric equivalent is southern oscillation. Select the correct, answer using the code given below |
| A. | I and II only |
| B. | II and III only |
| C. | III and IV only |
| D. | I, II, III and IV |
| Answer» E. | |
| 2184. |
Consider the following pairs 1. Equatorial region???? Rainfall throughout the year 2. Monsoon region????? Rainfall mainly in summer season 3. Mediterranean region? Rainfall mainly in winter season Which of the above pairs is/are correctly matched? |
| A. | 1 only |
| B. | 2 only |
| C. | 1 and 2 only |
| D. | 1, 2 and 3 |
| Answer» E. | |
| 2185. |
Consider the following statements 1. Thiruvananthapuram has two rainfall maxima. 2. Thiruvananthapuram has very high annual range 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» B. 2 only | |
| 2186. |
Match the following A. Torrid zone 1. Between Tropic of Cancer and Tropic of Capricorn B. North Temperate Zone 2. Between Tropic of Capricorn and Antarctic Circle C. South Temperate Zone 3. Between Tropic of Cancer and Arctic Circle D. North Frigid Zone??? 4. Between Arctic Circle and North Pole |
| A. | A-1 B-2C-3D-4 |
| B. | A-4B-3C-1D-2 |
| C. | A-1B-3C-2D-4 |
| D. | A-3B-2C-4D-1 |
| Answer» D. A-3B-2C-4D-1 | |
| 2187. |
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 | |
| 2188. |
Paddy, coconut, areca nut, palm and spices are the characteristics of which of the following biosphere reserves? |
| A. | Achanakmar-Amarkantak |
| B. | Great Nicobar |
| C. | Seshachalam |
| D. | Sundarban |
| Answer» C. Seshachalam | |
| 2189. |
Consider the following statements and select the correct answer using the code given below: 1. Under ideal conditions, the thickness of soil may be 1 to 2 metres. 2. The regolith may extend up to 100 m downward Code: |
| 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 | |
| 2190. |
Cloudy nights are warmer than clear nights because of |
| A. | greenhouse effect |
| B. | depletion of ozone layer |
| C. | insolation |
| D. | terrestrial radiation |
| Answer» D. terrestrial radiation | |
| 2191. |
Most of the communication satellites today are placed in a geostationary orbit. In order to stay over the same spot on the Earth, a geostationary satellite has to be directly above the [NDA 2017-I] |
| A. | Tropic of Cancer |
| B. | Either North or South Pole |
| C. | Equator |
| D. | Tropic of Capricorn |
| Answer» D. Tropic of Capricorn | |
| 2192. |
Which one of the following is not correct? |
| A. | Jute is a native of Africa |
| B. | Jute requires warm and humid climate. |
| C. | A range of temperature between \[{{24}^{o}}-{{37}^{o}}C\] is ideal for jute cultivation. |
| D. | India is the leading producer of jute in the world |
| Answer» E. | |
| 2193. |
The area under drip irrigation is largest in the state of: |
| A. | Karnataka |
| B. | Maharashtra |
| C. | Rajasthan |
| D. | Tamil Nadu |
| Answer» C. Rajasthan | |
| 2194. |
Consider the following statements and select the correct answer using the code given below: 1. Dachigam National Park is known for Hangal. 2. Dudhwa National Park is known for the conservation of endangered forest species. 3. Siberian birds are associated with Keoladeov Sanctuary. 4. Clouded Leopard is associated with Namdhapa National Park. |
| 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» C. 2, 3 and 4 are correct | |
| 2195. |
The Rice Research Institute of India is located at: |
| A. | Chennai |
| B. | Cuttack |
| C. | Guwahati |
| D. | Kolkata |
| Answer» C. Guwahati | |
| 2196. |
Which of the following pairs is not correctly matched? [MP-PSC 2017] |
| A. | Canyon - River |
| B. | Zeugen - Wind |
| C. | Inselberg - Glacier |
| D. | Moraine - Glacier |
| Answer» D. Moraine - Glacier | |
| 2197. |
Which one of the following is the correct sequence of increasing velocity of wind? [2010-II] |
| A. | Light breeze-Fresh breeze-Gale-Hurricane |
| B. | Fresh breeze-Light breeze-Hurricane-Gale |
| C. | Light breeze-Gale-Fresh breeze-Hurricane |
| D. | Hurricane-Light breeze-Gale-Fresh breeze |
| Answer» B. Fresh breeze-Light breeze-Hurricane-Gale | |
| 2198. |
Which of the following does not favour good monsoon rains in India? |
| A. | Westerly Jet-Stream |
| B. | La Nina |
| C. | El Nino |
| D. | Orientation of the Himalayan ranges |
| Answer» D. Orientation of the Himalayan ranges | |
| 2199. |
Consider the following statements and select the correct answer using the code given below: 1. Biospheres are created by the Central Government and approved by the UNESCO. 2. The Man and Biosphere Programme was launched in 1968. |
| A. | Both 1 and 2 are correct |
| B. | Only 2 is correct |
| C. | Only 1 is correct |
| D. | Neither 1 nor 2 is correct |
| Answer» B. Only 2 is correct | |
| 2200. |
Which region of the Earth's surface is called doldrums? |
| A. | Equatorial low pressure belt |
| B. | Sub-tropical high pressure belt |
| C. | Between \[{{10}^{0}}\] to 23.\[{{5}^{0}}\] North and South Latitudes |
| D. | Sub-polar low pressure belt |
| Answer» B. Sub-tropical high pressure belt | |