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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.
| 1901. |
Study the following diagram: The diagram represents |
| A. | high tide |
| B. | spring tide at new moon |
| C. | spring tide at full moon |
| D. | neap tide at half moon |
| Answer» C. spring tide at full moon | |
| 1902. |
Consider the following statements and select the correct answer using the code given below: 1. Climatic Change Framework, Biological Diversity, sustainable development of all types of forests, were the key agreements of the Earth Summit. 2. Ozone depletion and Agenda 21 were the key agreements of the Earth Summit. |
| A. | Only 1 is correct |
| B. | Only 2 is correct |
| C. | Both 1 and 2 are correct |
| D. | Neither 1 nor 2 are correct |
| Answer» B. Only 2 is correct | |
| 1903. |
Consider the following statements: 1. A temperate cyclone is formed when a cold air mass meets a warm air mass. 2. Before the arrival of the temperate cyclone, the sun looks paler and there is lunar halo. 3. The arrival of a temperate cyclone is indicated by rise in temperature. Which of the above statements is/are correct? |
| A. | 1 only |
| B. | 2 only |
| C. | 1 and 2 only |
| D. | 1, 2 and 3 |
| Answer» E. | |
| 1904. |
Which one of the following sets represent the zonal soil? |
| A. | Alluvial- soil, Black -soil and Red-soil |
| B. | Regur soil, clayey soil and lateritic -soil |
| C. | Tundra-soil, Black- soil and sandy soil |
| D. | Tundra soil, Regur -soil and lateritic-soil |
| Answer» E. | |
| 1905. |
Heat gain through insolation and heat loss through terrestrial radiation are equal approximately at which latitude? |
| A. | \[{{22}^{{}^{1}/{}_{2}{}^\circ }}\] North and South |
| B. | \[{{40}^{{}^{1}/{}_{2}{}^\circ }}\] North and South |
| C. | \[{{42}^{{}^{1}/{}_{2}{}^\circ }}\] North and South |
| D. | \[{{66}^{{}^{1}/{}_{2}{}^\circ }}\] North and South |
| Answer» C. \[{{42}^{{}^{1}/{}_{2}{}^\circ }}\] North and South | |
| 1906. |
Tropical cyclone of Philippines is termed as |
| A. | Typhoon |
| B. | Willy-willy |
| C. | Hurricane |
| D. | Baguio |
| Answer» B. Willy-willy | |
| 1907. |
Consider the following statements and select the correct answer using the code given below: 1. Biodiversity hotspots have at least 0.5 % or 1500 species of plants of the world's three lakh species. 2. The region has 70% or more than 70 % of the primary vegetation. 3. In the case of marine hotspots, coral reefs, snails and fish 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. | |
| 1908. |
Wind is often found to blow in a hot summer day due to [NDA 2011-I] |
| A. | conduction of heat between air and soil on the Earth |
| B. | radiation from die soil |
| C. | convection current of air |
| D. | None of the above |
| Answer» B. radiation from die soil | |
| 1909. |
Which of the following statements is/are correct? [NDA/NA 2013-I] 1. Air close to the Earth's surface is heavier 2. Air close to the Earth's surface contains large quantity of water vapour and dust particles. 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» D. Neither 1 nor 2 | |
| 1910. |
The annual range of temperature in the interior of the continents is high as compared to coastal areas. What is/are the reason/reasons? I. Thermal difference between land and water II. Variation in altitude between continents and oceans III. Presence of strong winds in the interior IV. Heavy rains in the interior as compared to coasts Select the correct answer using the codes given below. |
| A. | 1 only |
| B. | 1 and 2 only |
| C. | 2 and 3 only |
| D. | 1, 2, 3 and 4 |
| Answer» B. 1 and 2 only | |
| 1911. |
Match the following: List-I List-II A. Temperature falls with height 1. Ionosphere B. Reflects radio waves back to earth 2. Stratosphere C. Contains most of the ozone 3. Tropopause D. Fall in temperature slops 4. Troposphere |
| A. | A-4 B-2 C-1 D-3 |
| B. | A-3 B-2 C-4 D-1 |
| C. | A-4 B-1 C-2 D-3 |
| D. | A-4 B-3 C-1 D-2 |
| Answer» D. A-4 B-3 C-1 D-2 | |
| 1912. |
Which one of the following local winds is different from the other three? |
| A. | Khamsin |
| B. | Foehn |
| C. | Sirocco |
| D. | Mistral |
| Answer» E. | |
| 1913. |
Which one of the following is not correctly matched? |
| A. | (Rivers) (Biosphere Reserve) Dudhi and Tawa Achanakmar-Amarkantak |
| B. | (Rivers) (Biosphere Reserve) Bhavani and Kabini Nilgiri Biosphere Reserve |
| C. | (Rivers) (Biosphere Reserve) Matia and Bidya Rivers Sundarbans |
| D. | (Rivers) (Biosphere Reserve) Salanadi and Tel Simlipal |
| Answer» B. (Rivers) (Biosphere Reserve) Bhavani and Kabini Nilgiri Biosphere Reserve | |
| 1914. |
Which of the following is not chemical weathering? |
| A. | Oxidation |
| B. | Hydrolysis |
| C. | Freezing |
| D. | Carbonization |
| Answer» D. Carbonization | |
| 1915. |
India is a member of which among the following: 1. Asia Pacific Economic Cooperation 2. Association of South East Asian Nations 3. East Asia Summit Select the correct answer using the code given below: |
| A. | 1 and 2 only |
| B. | 3 only |
| C. | 1, 2 and 3 |
| D. | India is a member of none of them |
| Answer» C. 1, 2 and 3 | |
| 1916. |
Which of the following is/are correctly matched? 1. Doldrum Equatorial low pressure belt 2. Horse Latitudes Sub-polar low pressure belt 3. Torrid zone Sub-tropical high pressure belt |
| A. | 1 only |
| B. | 1 and 2 only |
| C. | 2 and 3 only |
| D. | 1, 2 and 3 |
| Answer» B. 1 and 2 only | |
| 1917. |
Doldrums are characterized by |
| A. | uniform low pressure |
| B. | uniform high pressure |
| C. | high wind velocity |
| D. | low humidity |
| Answer» B. uniform high pressure | |
| 1918. |
Arrange the following trees in a descending order of height and select the correct answer using the code given below: 1. Brazil nut 2. Baobab 3. Elm 4. Redwood |
| A. | Brazil nut, Redwood, Baobab, and Elm |
| B. | Redwood, Brazil nut. Baobab and Elm |
| C. | Redwood, Brazil nut, Elm and Baobab |
| D. | Brazil nut, Redwood, Elm, and Baobab |
| Answer» D. Brazil nut, Redwood, Elm, and Baobab | |
| 1919. |
Which of the following pairs is/are not correctly matched? List I (Theory of monsoon winds) List II (Scholar) 1. Classical Theory 1. Edmund Hally 2. Air Mass Theory 2. M.T. Yin 3. Jet Stream Theory 3. H. Flohn |
| A. | 1 only |
| B. | 1 and 2 only |
| C. | 2 and 3only |
| D. | 1, 2 and 3 |
| Answer» B. 1 and 2 only | |
| 1920. |
Match List I with List II and select the correct answer using the code given below: List I (Biogeographic Zone) List II (Area in sq km) (A) Desert 1.5.6% (B) Gangetic Plain 2.6.6% (C) Semi-arid 3. 10. (D) Trans-Himalaya 4. 16.6 |
| A. | a-2 b-3 c-4 d-1 |
| B. | a-2 b-3 c-1 d-4 |
| C. | a-3 b-2 c-4 d-1 |
| D. | a-3 b-2 c-1 d-4 |
| Answer» B. a-2 b-3 c-1 d-4 | |
| 1921. |
The water content in the atmosphere |
| A. | is not dependent on temperature |
| B. | increases as temperature increase |
| C. | remains unchanged with change in temperature |
| D. | cannot be measured |
| Answer» C. remains unchanged with change in temperature | |
| 1922. |
Examine the following statements and find out the correct answer using the following codes: 1. Moscow in the Russian Federation has the highest annual range of temperature in the world. 2. Singapore has one of the lowest annual ranges of temperature in the world. |
| A. | 1 only |
| B. | 2 only |
| C. | Both 1 and 2 |
| D. | Neither 1 nor 2 |
| Answer» C. Both 1 and 2 | |
| 1923. |
Match list I with list II and select the correct answer by using the code given below List I (Region/area) List II (Characteristic features) A. Meghalaya 1. Wettest state of India B. Eastern slope of Western Ghats 2. Rain shadow area C. Western Raj as than 3. High annual rainfall variability D. Punjab 4. Winter rainfall from western disturbances Code: |
| A. | A-2 B-3 C-1 D-4 |
| B. | A-4 B-1 C-3 D-2 |
| C. | A-1 B-2 C-3 D-4 |
| D. | A-4 B-3 C-2 D-1 |
| Answer» D. A-4 B-3 C-2 D-1 | |
| 1924. |
The world famous Chipko Movement (hug the trees) in Garhwal led by Gaura Devi was started in the year of: |
| A. | 1972 |
| B. | 1974 |
| C. | 1976 |
| D. | 1978 |
| Answer» C. 1976 | |
| 1925. |
Which one of the following is associated with the issue of control and phasing out of the use of ozone-depleting substances? |
| A. | Bretton Woods Conference |
| B. | Montreal Protocol |
| C. | Kyoto Protocol |
| D. | Nagoya Protocol |
| Answer» C. Kyoto Protocol | |
| 1926. |
The process of water vapour changing to the liquid stat (water) is called |
| A. | Sublimation |
| B. | Transpiration |
| C. | Condensation |
| D. | Dew |
| Answer» D. Dew | |
| 1927. |
Which of the following are true with regard to temperature control of the atmosphere of a given place? 1. The major temperature contrasts on earth's surface are between land masses and oceans. 2. During night, the water surface cools more rapidly than the land surface. 3. Temperature generally decreases with latitude on either side of the equator. 4. Temperature rises to a maximum during summer and falls to a minimum during winter. |
| A. | 1, 3 and 4 |
| B. | 2, 3 and 4 |
| C. | 1 and 2 |
| D. | 3 and 4 |
| Answer» B. 2, 3 and 4 | |
| 1928. |
Consider the following statements and select the correct answer with the help of codes given below: Assertion [A]: Hurricane cannot develop in the vicinity of equator. Reason [R]: Coriol is force is maximum over the equator. |
| 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 correct explanation of A. |
| C. | A is true, but R is false. |
| D. | A is false, but R is true. |
| Answer» D. A is false, but R is true. | |
| 1929. |
Which of the following statements are correct? 1. In a cyclone the area of low pressure is at the centre surrounded by the areas of high pressure 2. In a cyclone the areas of low pressure surround the area of high pressure 3. In an anti-cyclone the area of high pressure is surrounded by the areas of low pressure 4. 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: |
| A. | 1 and 2 |
| B. | 1 and 3 |
| C. | 1 and 4 |
| D. | 2 and 4 |
| Answer» C. 1 and 4 | |
| 1930. |
Assertion (A): The thickness of the atmosphere is the maximum over the equator. Reason (R): High insulation and strong convection currents occur over the equator. |
| A. | Both A are R are individually true and R is the correct explanation of A |
| B. | Both A and R are individually true but R is not the correct explanation of A |
| C. | A is true but R is false |
| D. | A is fast false but R is true |
| Answer» B. Both A and R are individually true but R is not the correct explanation of A | |
| 1931. |
Match list I with list II and select the correct answer using the code given below. List I (Characteristics) List II (Atmospheric layer) A. Fall in temperature with height 1. Ionosphere B. Reflects radio waves??? 2. Troposphere C. Contains ozone gas???? 3. Exosphere D. Increase in temperature with height 4. Stratosphere |
| A. | A-2 B-1C-4D-3 |
| B. | A-1B-3C-2D-4 |
| C. | A-4B-3C-1D-2 |
| D. | A-3B-4C-2D-1 |
| Answer» B. A-1B-3C-2D-4 | |
| 1932. |
In which of the following areas, the main centre of 'Hurricane Mathew' that occurred in Caribbean Sea in the 1st week of October, 2016 was located? [UGC-II (Geog) 2016] |
| A. | Florida |
| B. | Georgia |
| C. | South Carolina |
| D. | South-West Haitti |
| Answer» E. | |
| 1933. |
Consider the following statements 1. More tropical cyclones originate in the Arabian Sea than in the Bay of Bengal. 2. Some of the tropical cyclones originating in Bay of Bengal cross over the peninsular India and enter the Arabian Sea. 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 | |
| 1934. |
There are three distinct characters of temperature stratification of atmosphere around the Earth. Which one among the following is the correct arrangement of the layers (from the Earth's surface upwards? [CDS 2017-II] |
| A. | Thermosphere - Stratosphere -Troposphere |
| B. | Troposphere - Thermosphere - Stratosphere |
| C. | Troposphere - Stratosphere - Thermosphere |
| D. | Thermosphere- Troposphere - Stratosphere |
| Answer» D. Thermosphere- Troposphere - Stratosphere | |
| 1935. |
Which one of the following is not a unique animal of India? |
| A. | Blackbuck |
| B. | Golden Langur |
| C. | Pygmy hog |
| D. | Spotted Deer |
| Answer» E. | |
| 1936. |
Match List I with List II and select the correct answer using the code given below: List I (Pulse-English Name) List II (Local Name) (a) Chickpea 1. Tur (b) Cowpea 2. Matar (c) Fieldpea 3. Lobiya (d) Pigeonpea 4. Channa Code: |
| A. | a-4 b-3 c-2 d-1 |
| B. | a-4 b-3 c-1 d-2 |
| C. | a-2 b-4 c-3 d-1 |
| D. | a-2 b-4 c-1 d-3 |
| Answer» B. a-4 b-3 c-1 d-2 | |
| 1937. |
Which one of the following is a low cloud? |
| A. | Cirrocumulus |
| B. | Cirrostratus |
| C. | Altocumulus |
| D. | Nimbostratus |
| Answer» E. | |
| 1938. |
Dew point is the temperature at which |
| A. | Condensation starts |
| B. | Dew starts evaporating |
| C. | Water starts freezing |
| D. | Water vapours in the air are frozen |
| Answer» B. Dew starts evaporating | |
| 1939. |
Over which region is the temperature the highest near the tropopause? |
| A. | Around the equator |
| B. | Over the Arctic region |
| C. | Near the Tropic of Capricorn |
| D. | Near the Tropic of Cancer |
| Answer» C. Near the Tropic of Capricorn | |
| 1940. |
Match List I with List II and select the correct answer using the code given below: List I (Crop) List II (Nature of Crop) (a) Catch Crop 1. Sugarcane (b) Cleaning Crop 2. Sunflower (c) Energy Crop 3. Pigeon-Pea (d) Avenue Crop 4. Maize Code: |
| A. | a-4 b-3 c-2 d-1 |
| B. | a-2 b-4 c-3 d-1 |
| C. | a-2 b-4 c-1 d-3 |
| D. | a-4 b-3 c-1 d-2 |
| Answer» D. a-4 b-3 c-1 d-2 | |
| 1941. |
The Gene Pool of the feral horses which are the direct offshoot of the domestic horse is the |
| A. | Dehang-Dibang |
| B. | Dibru-Saikhowa |
| C. | Nokrek |
| D. | Simlipal |
| Answer» C. Nokrek | |
| 1942. |
What is Rio+20 Conference, often mentioned in the news? |
| A. | It is the United Nations Conference on Sustainable Development. |
| B. | It is a Ministerial Meeting of the World Trade Organization. |
| C. | It is a Conference of the Inter-Gove mental Panel on Climate Change. |
| D. | It is the Conference of the Member Countries of the Convention on Biological Diversity. |
| Answer» B. It is a Ministerial Meeting of the World Trade Organization. | |
| 1943. |
Consider the following statements: 1. Absolute humidity is expressed in terms of grams of moisture per kilogram of air. 2. Specific humidity is expressed as grams of moisture per cubic metric of air. 3. Relative humidity has no unit and is expressed in terms of percentages. |
| A. | Only 1 is correct |
| B. | Only 2 is correct |
| C. | Only 3 is correct |
| D. | 1, 2 and 3 are correct |
| Answer» D. 1, 2 and 3 are correct | |
| 1944. |
When air temperature rises, relative humidity |
| A. | Increases |
| B. | decreases |
| C. | does not change |
| D. | may increase or decrease |
| Answer» C. does not change | |
| 1945. |
Consider the following statements and select the correct answer using the code given below: 1. Nilgiri Biosphere Reserve is the first biosphere reserve of India. 2. The Nilgiri Biosphere Reserve has been recognised among the Global Biodiversity Hotspots. 3. The Nilgiri Biosphere Reserve is located at the tri-junction of three southern states of India 4. The core area of Nilgiri Biosphere Reserve is more than that of the transitional area |
| 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. | |
| 1946. |
? The highest diurnal range of temperature is recorded in which of the following regions???? |
| A. | Equatorial region |
| B. | Hot desert region |
| C. | Monsoon region |
| D. | Mediterranean region |
| Answer» C. Monsoon region | |
| 1947. |
The Bathudi, Bhumija, Kolho and Ho are the tribes of which biosphere reserve? |
| A. | Achanakmar-Amarkantak |
| B. | Nokrek |
| C. | Panchmarhi |
| D. | Simlipal |
| Answer» E. | |
| 1948. |
Which one of the following is not correct about the Biosphere Reserves? |
| A. | Marias Biosphere Reserve: Conserves Clouded Leopard, Pig Tailed Macaque, Barking Deer, a variety of butterflies and wild relatives of Citrus Fruits. |
| B. | NilgiriBiosphere Reserve: Conserves Bison, Gaur, Leopard-cat, lion Tailed Macaque, and Rudley Mangroose, sholas and grasslands |
| C. | Panchmarhi Biosphere Reserve: Conserves Bam Owl, Honey Buzzard, Crested Serpent Eagle, Black Eagle, Hawk, teak and sal. |
| D. | Simlipal Biosphere Reserve: Conserves Asian Elephants, Chausingha, Mouse Deer, Melanistic Tigers, tropical evergreen and moist deciduous and dry deciduous forests |
| Answer» B. NilgiriBiosphere Reserve: Conserves Bison, Gaur, Leopard-cat, lion Tailed Macaque, and Rudley Mangroose, sholas and grasslands | |
| 1949. |
Arrange the following biosphere reserves in ascending order of area and select the correct area using the code given below: 1. Dibru-Saikhowa 2. Great Nicobar 3. Manas 4. Nokrek |
| A. | Great Nicobar, Manas, Dibru-Saikhowa and Nokrek |
| B. | Great Nicobar, Dibru-Saikhowa, Manas, and Nokrek |
| C. | Dibru-Saikhowa, Great Nicobar, Nokrek and Manas |
| D. | Dibru-Saikhowa, Nokrek, Great Nicobar and Manas |
| Answer» E. | |
| 1950. |
The western and eastern boundaries of a biosphere reserve are formed by the Sankosh and Dhansiri rivers respectively. The name of the protected area is: |
| A. | Dehang- Dibang |
| B. | Dibru Saikhowa Biosphere Reserve |
| C. | Kaziranga National Park |
| D. | Manas Biosphere Reserve |
| Answer» E. | |