MCQOPTIONS
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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.
| 1951. |
Orographic rainfall occurs |
| A. | Along the Western Ghats |
| B. | Along Aravali Hills |
| C. | Along Coromandel Coast |
| D. | In Gujarat |
| Answer» B. Along Aravali Hills | |
| 1952. |
Consider the following statements regarding the cumulonimbus clouds [a] This cloud is also referred to as thunder clouds. [b] This brings convectional rain. [c] This is frequently seen in tropical afternoons. [d] These are woolly, bumpy clouds arranged in layers appearing like waves in blue sky. Which of the above statements is/are not correct? |
| A. | 2 only |
| B. | 3 only |
| C. | 1 and 4 |
| D. | 4 only |
| Answer» E. | |
| 1953. |
Which of the following statements is/are correct? 1. Cyclone is a low pressure system. 2. The wind movement is clockwise in the cyclone of northern hemisphere. 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 | |
| 1954. |
Consider the following statements 1. Koppen's climate classification is based on annual and monthly means of temperature and precipitation. 2. Koppen used annual and monthly means of temperature and precipitation for all the climates of the world including those of India. 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 | |
| 1955. |
Eluviation stands for: |
| A. | The downward removal of finer particles from the upper horizon of soil. |
| B. | A saline affected soil. |
| C. | A synonym of alluvial soil. |
| D. | A leached soil. |
| Answer» B. A saline affected soil. | |
| 1956. |
As per Ferrel's law |
| A. | in the northern hemisphere, the north blowing winds are deflected westward |
| B. | in the southern hemisphere, the north blowing winds are deflected eastward |
| C. | in the northern hemisphere, the south blowing winds are deflected eastward |
| D. | in the southern hemisphere the south blowing winds are deflected eastward |
| Answer» E. | |
| 1957. |
Match the following List I (Local wind) List II (Country/Region) A. Getii??????????? 1. Tarim Basin B. Kharaburan????? 2. Libya C. Harmettan?????? 3.? Adriatic sea D. Bora??????????? 4.? Sahara |
| 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 | |
| 1958. |
Consider the following statements: 1. Effectiveness of Coriolis force decreases from equator towards the poles 2. Moist air is heavier than dry air. 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» E. | |
| 1959. |
Consider the following statements and select the correct answer using the code given below: 1. An ecological hotspot has at least 0.5 per cent or over 1500 species of plants. 2. A hotspot has 70 or more than 70 % of its primary vegetation. 3. In the case of marine hotspots, coral reefs, snails and lobsters are taken into consideration. |
| 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. | |
| 1960. |
Which one of the following was not an agreement of the Earth Summit? |
| A. | Climatic Change Framework |
| B. | Biological Diversity |
| C. | Earth Charter |
| D. | Ozone Depletion |
| Answer» E. | |
| 1961. |
Air Pressure is lowest in [UP-PCS 2015] |
| A. | Winter Season |
| B. | Spring |
| C. | Autumn Season |
| D. | Summer season |
| Answer» E. | |
| 1962. |
The ideal conditions for flying jet aircraft are provided by stratosphere because I. There are no clouds and other weather phenomenon. II. Uniform temperature increases engine efficiency. III. The presence of ozone gas increases fuel efficiency IV. Air resistance is at its maximum. Which statement is/are correct? |
| A. | Only I |
| B. | I and II |
| C. | I, II and III |
| D. | I, II, III and IV |
| Answer» B. I and II | |
| 1963. |
For which one of the following is planimeter used? [NDA 2008-II] |
| A. | To know the surface area on a map |
| B. | To know the distance on a map |
| C. | To know the direction on a map |
| D. | To know the height of places on a map |
| Answer» B. To know the distance on a map | |
| 1964. |
Arrange the size of holdings of the following states in a descending order and select the correct answer using the code given below: 1. Haryana 2. Gujarat 3. Punjab 4. Rajasthan Code: |
| A. | Punjab, Rajasthan, Gujarat and Haryana |
| B. | Rajasthan, Punjab, Gujarat and Haryana |
| C. | Rajasthan, Punjab, Haryana and Gujarat |
| D. | Punjab, Haryana, Gujarat and Rajasthan |
| Answer» C. Rajasthan, Punjab, Haryana and Gujarat | |
| 1965. |
In an Anticyclone |
| A. | Barometric pressure is high towards centre of the system. |
| B. | Winds blow in clockwise direction in southern hemisphere. |
| C. | Weather remains moist and sky is cloudy. |
| D. | Situation of calm prevails and weather changes rapidly. |
| Answer» B. Winds blow in clockwise direction in southern hemisphere. | |
| 1966. |
Which of the pedogenic regimes is associated with hot, dry climates? |
| A. | Podzolisation |
| B. | Gleisation |
| C. | Laterisation |
| D. | Calcification |
| Answer» E. | |
| 1967. |
Which one of I he following gases is found in highest quantity in Exosphere? [NDA/NA 2015-II] |
| A. | Hydrogen |
| B. | Helium |
| C. | Nitrogen |
| D. | Oxygen |
| Answer» B. Helium | |
| 1968. |
Consider the following statements about the Gulf of Mannar Biosphere Reserve and select the correct answer using the code given below: 1. It is characterised by sea-grass, coral reefs, mangroves and islands. 2. It has 21 islands. 3. There are hills on some of the 21 islands. 4. Some of the islands belong to individuals. |
| 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. | |
| 1969. |
Which among the following factors are the causes of low atmospheric pressure in the equatorial regions? 1. High temperature 2. High water vapour content in the air 3. Maximum centrifugal force on the equator 4. Convergence of air from the subtropical high pressure belts |
| A. | 1, 2 and 3 only |
| B. | 2, 3 and 4 only |
| C. | 1, 3 and 4 only |
| D. | 1, 2, 3 and 4 |
| Answer» B. 2, 3 and 4 only | |
| 1970. |
Which of the following clouds are more commonly formed in the equatorial rainforests? |
| A. | Cumulonimbus |
| B. | Stratocumulus |
| C. | Nimbostratus |
| D. | Alto cumulus |
| Answer» B. Stratocumulus | |
| 1971. |
Consider the following statements regarding homosphere and select the correct answer using codes given below: 1. It extends from the earth's surface up to an altitude of 80-90 km. 2. It has heterogeneous chemical composition. 3. Kennedy- Heaviside layer is an important part of ionosphere. 4. This part of the atmosphere is a function of revolutionary process in the atmosphere. |
| A. | Only 1 is correct |
| B. | Only 1 and 2 are correct |
| C. | Only 1, 2 and 3 are correct |
| D. | 1, 2, 3 and 4 are correct. |
| Answer» B. Only 1 and 2 are correct | |
| 1972. |
Match list I with list II and select the correct answer using the code given below: List I (Local wind) List II (Region) A. Fohn 1. Argentina B. Sarmun 2. Kurdistan C. Santa Ana 3. California D. Zonda 4. Alps |
| A. | A-2 B-4 C-1 D-3 |
| B. | A-4 B-2 C-3 D-1 |
| C. | A-2 B-4 C-3 D-1 |
| D. | A-4 B-2 C-1 D-3 |
| Answer» C. A-2 B-4 C-3 D-1 | |
| 1973. |
Which one of the following statements is correct? [CDS 2016-II] |
| A. | Cold fronts move al slower rate than warm fronts and therefore cannot overtake the warm fronts. |
| B. | Cold fronts normally move faster than warm fronts and therefore frequently overtake the warm fronts. |
| C. | Cold fronts move at slower rate, and eventually they are overtaken by the warm fronts. |
| D. | Cold fronts move faster than warm fronts but they cannot overtake the warm fronts. |
| Answer» C. Cold fronts move at slower rate, and eventually they are overtaken by the warm fronts. | |
| 1974. |
The leeward side of a mountain which does not receive rain is known as the |
| A. | dry zone |
| B. | desert area |
| C. | rain-shadow area |
| D. | adiabatically dry area |
| Answer» D. adiabatically dry area | |
| 1975. |
Consider the following statements 1. Wind speed is influenced by the topographical features. 2. The effect of surface friction extends to a height of about 500m (1650 ft) 3. Rougher surfaces produce more friction. 4. Wind speed changes according to pressure gradient. Which of the above statements is/are correct? |
| A. | 1 and 2only |
| B. | 1, 2 and 3 only |
| C. | 1, 2, 3 and 4 |
| D. | 2, 3 and 4 only |
| Answer» D. 2, 3 and 4 only | |
| 1976. |
Chinook is a |
| A. | cold wind in Europe |
| B. | tropical desert storm in West Asia |
| C. | warm wind in North-America |
| D. | depression to South Africa |
| Answer» D. depression to South Africa | |
| 1977. |
Which one of the following zones of the atmosphere is rich in ozone gas? [NDA 2009-I] |
| A. | Mesosphere |
| B. | Troposphere |
| C. | Stratosphere |
| D. | Ionosphere |
| Answer» D. Ionosphere | |
| 1978. |
Which of the following conditions is not necessary for the formation of a tropical cyclone? |
| A. | Large sea surface with temperature more than \[{{27}^{o}}C\]. |
| B. | Pressure of coriol is force. |
| C. | A pre-existing low pressure area. |
| D. | Upper convergence above the sea level system. |
| Answer» E. | |
| 1979. |
Match the following: List I (Type of Rainfall) List II (Area) A. Convectional rainfall 1. Western Europe B. Orographic rainfall ?? 2. Western Ghats C. Cyclonic rainfall of Western Ghats 3. Areas to the east D. Rainshadow??????? 4. Equatorial region |
| A. | A-1, B-2, C-3, D-4 |
| B. | A-4, B-2, C-1, D-3 |
| C. | A-2, B-3, C-1, D-4 |
| D. | A-4 ,B-3, C-2, D-1 |
| Answer» C. A-2, B-3, C-1, D-4 | |
| 1980. |
List-I List-II [a] Cloudiness and heavy precipitation unfavourble (1) Equatorial region [b] Westerlies throughout the year and mild winteres (2) Mediterranean region [c] Famous for game park land type of vegetation (3) Savanna region [d] Dry summers, wet winters and orchard farming (4) West Eurpoean region |
| A. | A-1; B-4; C-3; D-2 |
| B. | A-4; B-1; C-3; D-2 |
| C. | A-1; B-4; C-2; D-3 |
| D. | A-4; B-1; C-2; D-3 |
| Answer» D. A-4; B-1; C-2; D-3 | |
| 1981. |
Which of the following are correctly matched? List I (Phenomena) List II (Type of temperature inversion) I. Air moving from high area to low area along the valley floor 1. Air drainage inversion II. Intense cooling of earth's surface due to rapid radiation 2. Surface inversion III. Warm airs blows over cold air 3. Advectional inversion IV. Cold air mass pushes up the warm air mass 4. Frontal inversion |
| A. | I and II |
| B. | I, II and III |
| C. | I, II, III and IV |
| D. | II and IV |
| Answer» D. II and IV | |
| 1982. |
Normally, the temperature decreases with the increase in height from the Earth's surface because 1. The atmosphere can be heated upwards only from the Earth's surface. 2. There is more moisture in the upper atmosphere. 3. The air is less dense in the upper atmosphere. Select the correct answer using the codes given 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 | |
| 1983. |
Consider the following facts about the pigeon- pea (Arhar) and select the correct answer using the code given below: 1. It is grown throughout the tropical and sub-tropical countries. 2. It performs well when the temperature is around \[{{25}^{o}}C\] and rainfall about 75 cm. 3. It has shallow roots. 4. Its green-pods are used as vegetables and dry-sticks for thatching purpose. Code: |
| 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» C. 1, 3 and 4 are correct | |
| 1984. |
Consider the following statements and select the correct answer using the code given below: 1. India has the largest area under rice cultivation in the world 2. India is the leading producer of rice in the world 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» B. Only 2 is correct | |
| 1985. |
Which of the following are true characteristic of Chinooks? I. They blow down the eastern slopes of Rockies in U.S.A. and Canada after crossing these mountain ranges. II. They are known as snow eaters in the Great Plain of North America. III. They cause heavy destruction to crops and grasslands in the areas affected by them. |
| A. | Only I is true |
| B. | I and II are true |
| C. | I, II, III are true |
| D. | II and III are true |
| Answer» C. I, II, III are true | |
| 1986. |
In which form of waves, solar radiation reaches the earth's surface and is reflected back by the earth's surface? |
| A. | Short waves and long waves |
| B. | Short waves and short waves |
| C. | Long waves and long waves |
| D. | Long waves and short waves |
| Answer» B. Short waves and short waves | |
| 1987. |
Match List I with List II and select the correct answer using the code given below: List I (Convention/Protocol) List II (Place/Country) Biodiversity Conservation Vienna Convention Convention for the Protection of Ozone Layer 2. Stockholm Convention on Wetland 3. Nagoya Protocol Access to Genetic Resources by all 4. Ramsar |
| A. | a-2 b-1 c-4 d-3 |
| B. | a-2 b-1 c-3 d-4 |
| C. | a-4 b-3 c-2 d-1 |
| D. | a-4 b-3 c-1 d-2 |
| Answer» B. a-2 b-1 c-3 d-4 | |
| 1988. |
Of the main constituents, which of the following have great influence in earth's climatic conditions? |
| A. | Oxygen |
| B. | Nitrogen |
| C. | Carbon dioxide |
| D. | Water Vapour |
| Answer» B. Nitrogen | |
| 1989. |
Mist is a result of which one of the following [NDA 2008-II] |
| A. | Condensation |
| B. | Evaporation |
| C. | Sublimation |
| D. | Saturation |
| Answer» B. Evaporation | |
| 1990. |
DIRECTIONS: The following question consist of two statements. Statement I and Statement II. You are to examine these two statements carefully and select the answers to this question using the code given the low: [NDA/NA 2014-I] Statement I: The decrease of air temperature with increasing altitudes in the atmosphere is called the vertical temperature gradient. Statement II: In Troposphere, air temperature decreases with increasing altitude due to radiation from the Earth. |
| A. | Both the statements are individually true and Statement II is the correct explanation of Statement I |
| B. | Both the statements are individually true but Statement II is not the correct explanation of Statement I |
| C. | Statement I is true but Statement II is false |
| D. | Statement I is false but Statement II is true |
| Answer» B. Both the statements are individually true but Statement II is not the correct explanation of Statement I | |
| 1991. |
Consider the following statements and select the correct answer using the code given below: 1. A swampy or marshy land is known as wetland 2. Any wetland to be declared a wetland of international importance should support endangered species. 3. A bird sanctuary wetland should attract about 20,000 birds |
| 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. | |
| 1992. |
Consider the following statements about ozone gas in the atmosphere: I. Its maximum concentration is 20 to 25 km above the earth's surface. II. It saves us from the intense heat of the sun. |
| A. | Statement I is correct |
| B. | Statement II is correct |
| C. | Both Statement I and Statement II are correct |
| D. | Neither I nor II is correct |
| Answer» B. Statement II is correct | |
| 1993. |
Which one of the areas marked as A, B, C and D in the given figure of the cyclone, witnesses heavy torrential short duration rainfall accompanied by thunderstorms? |
| A. | A |
| B. | B |
| C. | C |
| D. | D |
| Answer» C. C | |
| 1994. |
The jet aircrafts fly very easily and smoothly in the lower stratosphere. What could be the appropriate explanation? 1. There are no clouds or water vapour in the lower stratosphere. 2. There are no vertical winds in the lower stratosphere. Which of the statements given above is/are correct in this context? |
| A. | 1 only |
| B. | 2 only |
| C. | Broth 1 and 2 |
| D. | Neither 1 nor 2 |
| Answer» C. Broth 1 and 2 | |
| 1995. |
Consider the following statements: 1. In the troposphere the temperature falls at the rate of \[{{10}^{o}}C\] per km altitude. 2. Cloudy days and nights are cooler than dry days and nights Which of the above statements is/are correct? |
| A. | 1 only |
| B. | 2 only |
| C. | Neither 1 nor 2 |
| D. | Both 1 and 2 |
| Answer» D. Both 1 and 2 | |
| 1996. |
Which one of the following is correctly matched? |
| A. | Rossby waves - Jet stream |
| B. | El Nino - Strong monsoon |
| C. | Index cycle - Walker circulation |
| D. | Hadley cell - Mid-latitude cell |
| Answer» B. El Nino - Strong monsoon | |
| 1997. |
The diagram given below shows the schematic relations of temperature and precipitation of tropical climatic type over land: Arrange the climatic types in the correct sequence from left to right: 1. Monsoon topics 2. Wet and dry tropics 3. Arid and semiarid 4. Rainy tropics Select the correct answer using the code given below. |
| A. | 1-4-3-3 |
| B. | 4-3-2-1 |
| C. | 2-1-3-4 |
| D. | 3-2-1-4 |
| Answer» E. | |
| 1998. |
Match List I with List II and select the correct answer using the code given below: Table I (Biosphere Reserve) Table II (State/States) (A) Cold Desert 1. Arunachal Pradesh (B) Dehang-Debang 2. Jammu and Kashmir (C) Nokrek 3. Odhisa (D) Simlipal 4. Meghalaya |
| A. | a-2 b-1 c-4 d-3 |
| B. | a-2 b-1 c-3 d-4 |
| C. | a-3 b-2 c-1 d-4 |
| D. | a-3 b-4 c-1 d-2 |
| Answer» B. a-2 b-1 c-3 d-4 | |
| 1999. |
Which one of the following statements regarding water cycle is correct? [NDA 2015-I] |
| A. | Transpiration by plants docs contribute to cloud formation. |
| B. | Only evaporation of surface water of rivers and oceans is responsible for cloud formation. |
| C. | Rainfall docs not contribute in maintenance of underground water table. |
| D. | Underground water may also be connected to surface water. |
| Answer» E. | |
| 2000. |
Consider the following ecosystems: 1. Taiga 2. Tropical evergreen 3. Tropical deciduous 4. Tundra The correct sequence in decreasing order of the Albedo values of those ecosystems is; |
| A. | 1, 4, 3, 2 |
| B. | 4, 1, 3, 2 |
| C. | 4, 1, 2, 3 |
| D. | 1, 4, 2, 3 |
| Answer» D. 1, 4, 2, 3 | |