MCQOPTIONS
Saved Bookmarks
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.
| 801. |
Which one of the following pairs is not correctly matched [NDA 2010-II] |
| A. | Kuroshio : Warm ocean current |
| B. | Labrador : Warm ocean current |
| C. | Benguela : Cold ocean current |
| D. | Oyashio : Cold ocean current |
| Answer» C. Benguela : Cold ocean current | |
| 802. |
Which one of the following is the correct sequence of the following topographical features found from upper to lower course of a river? [NDA 2010-II] |
| A. | Ox-bow lake-Rapids-Estuary |
| B. | Rapids-Estuary-Ox-bow lake |
| C. | Rapids-Ox-bow lake-Estuary |
| D. | Estuary-Ox-bow lake-Rapids |
| Answer» D. Estuary-Ox-bow lake-Rapids | |
| 803. |
Which one of the following is a correct sequence in the increasing order of salinity concentration? [NDA 2010-II] |
| A. | Gulf of California, Baltic Sea, Red Sea, North Sea |
| B. | Baltic Sea, North Sea, Gulf of California, Red Sea |
| C. | Red Sea, Gulf of California, North Sea, Baltic Sea |
| D. | North Sea, Gulf of California, Baltic Sea, Red Sea |
| Answer» C. Red Sea, Gulf of California, North Sea, Baltic Sea | |
| 804. |
Tsunamis are not caused by [NDA 2010-I] |
| A. | Hurricones |
| B. | Earthquakes |
| C. | Undersea landslides |
| D. | Val came eruptions |
| Answer» B. Earthquakes | |
| 805. |
Which of the following seas arc enclosed? 1. Andaman Sea 2. Arab Sea 3. Sea of Azov 4. Bering Sea Select the correct answer using the codes given below [NDA 2010-I] |
| A. | 1 and 2 |
| B. | 3 and 4 |
| C. | 2 and 3 |
| D. | 1 and 4 |
| Answer» D. 1 and 4 | |
| 806. |
Which water body separates Australia from New Zealand? [NDA 2009-II] |
| A. | Cook Straits |
| B. | Megallan |
| C. | Tasman Sea |
| D. | Great Barrier Reef |
| Answer» D. Great Barrier Reef | |
| 807. |
Which one of the following is the tide produced as a consequence of Moon and Sun pulling the Earth in the same direction [NDA 2009-I] |
| A. | Spring tide |
| B. | Neap tide |
| C. | High tide |
| D. | Low tide |
| Answer» B. Neap tide | |
| 808. |
Which of the following seas/gulfs are connected by the Suez Canal? [NDA 2007-II] |
| A. | The Mediterranean Sea and the Red Sea |
| B. | Gulf of Oman and the Red Sea |
| C. | The Mediterranean Sea and the Gulf of Oman |
| D. | Persian Gulf and the Arabian Sea |
| Answer» B. Gulf of Oman and the Red Sea | |
| 809. |
This item consists of two statements. Statement I and Statement II. [CDS 2016-II] Statement I: The Kuroshio is a warm north-flowing ocean current on the west side of the North Pacific Ocean. Statement II: Presence of a number of volcanoes at the bottom of the Sea of Japan is responsible for the Kuroshio becoming warm. Examine these two statements carefully and select the answer to the item using the code given below. |
| A. | Both the statements arc individually true and Statement II is the correct explanation of Statement I |
| B. | Both the statements are individually the 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» D. Statement I is false but Statement II is true | |
| 810. |
Match List-I with List-II and select the correct answer using the codes given below: List-I List-II A. Gulf Stream 1. Pacific Ocean B. West Wind Drift 2. A slow eastward movement of water over the zone of westerly wind C. Peru Current 3. Indian Ocean D. West Australian Current 4. Warm current |
| A. | A-4 B-2 C-1 D-3 |
| B. | A-1 B-3 C-4 D-2 |
| C. | A-4 B-3 C-1 D-2 |
| D. | A-1 B-2 C-4 D-3 |
| Answer» B. A-1 B-3 C-4 D-2 | |
| 811. |
Winch one of the following ocean currents is different from others? |
| A. | Gulf stream |
| B. | Kuroshio |
| C. | North Atlantic Drift |
| D. | Labrador |
| Answer» E. | |
| 812. |
Which of the following seas are enclosed'? 1. Andaman Sea 2. Arab Sea 3. Sea of Azov 4. Bering Sea Select the correct answer using the codes given below |
| A. | 1 and 2 |
| B. | 3 and 4 |
| C. | 2 and 3 |
| D. | 1 and 4 |
| Answer» D. 1 and 4 | |
| 813. |
Match List-I with List-II and select the correct answer using the code given below; List-I (Current) List-II (Feature) A. Kuroshio current 1. Warm current in Atlantic Ocean B. Peru current 2. Cold current in the Atlantic Ocean C. Labrador current 3. Warm current in the Pacific Ocean D. Florida current? 4. Cold current in the Pacific Ocean |
| A. | A-3 B-4 C-2 D-1 |
| B. | A-3 B-2 C-4 D-1 |
| C. | A-1 B-4 C-2 D-3 |
| D. | A-1 B-2 C-4 D-3 |
| Answer» B. A-3 B-2 C-4 D-1 | |
| 814. |
The Lake Baikal is situated in the region of |
| A. | European Russia |
| B. | Western Siberia |
| C. | North eastern part of Russia |
| D. | Eastern Russia to the north of Mongolia |
| Answer» C. North eastern part of Russia | |
| 815. |
The strait which separates Asia from North America is |
| A. | Berring strait |
| B. | Palk strait |
| C. | Strait of Gibralter |
| D. | Strait of Malacca |
| Answer» B. Palk strait | |
| 816. |
What is the name of the strait where Adams Bridge is situated? |
| A. | Bering strait |
| B. | Cook strait |
| C. | Palk strait |
| D. | Taiwan strait |
| Answer» D. Taiwan strait | |
| 817. |
What is true about Lake Superior? |
| A. | It is a lake wholly within US |
| B. | It is a the largest freshwater lake of the world |
| C. | It is the deepest lake of the world |
| D. | This lake has been created through fluvial erosion |
| Answer» C. It is the deepest lake of the world | |
| 818. |
The Great Barrier Reef is located on the coast of |
| A. | Central Australia |
| B. | West Australia |
| C. | East Australia |
| D. | South Australia |
| Answer» D. South Australia | |
| 819. |
The biggest island of the Indian Ocean is |
| A. | Maldives |
| B. | Madagascar |
| C. | Lakshadweep |
| D. | Sumatra |
| Answer» C. Lakshadweep | |
| 820. |
The Kiel canal connects |
| A. | Caribbean sea and Pacific Ocean |
| B. | Bering sea and Chukchi sea |
| C. | Red sea and Mediterranean Sea |
| D. | Baltic sea and North Sea |
| Answer» E. | |
| 821. |
Gaza strip lies along the coast of |
| A. | Dead sea |
| B. | Mediterranean sea |
| C. | Persian sea |
| D. | Red sea |
| Answer» C. Persian sea | |
| 822. |
In which sea the river 'Don' flows in? |
| A. | Caspian sea |
| B. | Black sea |
| C. | Sea of Azov |
| D. | Baltic sea |
| Answer» D. Baltic sea | |
| 823. |
Which is the longest river of Europe? |
| A. | Danube |
| B. | Volga |
| C. | Dnieper |
| D. | Rhine |
| Answer» C. Dnieper | |
| 824. |
The line drawn over a map joining points having shrilly amounts of salinity is known as |
| A. | Isotherm |
| B. | Isohyet |
| C. | Isohaline |
| D. | Isogone |
| Answer» D. Isogone | |
| 825. |
Which of the following two gulfs are connected Hormuz Strait? |
| A. | Persian Gulf-Gulf of Oman |
| B. | Persian Gulf-Gulf of Aden |
| C. | Gulf of Aden-Gulf of Oman |
| D. | Persian Gulf-Gulf of Aquaba |
| Answer» B. Persian Gulf-Gulf of Aden | |
| 826. |
The Sargasso sea is a part of the |
| A. | North Atlantic Ocean |
| B. | South Atlantic Ocean |
| C. | Indian Ocean |
| D. | Arctic ocean |
| Answer» B. South Atlantic Ocean | |
| 827. |
The deepest trenches of the ocean are found in |
| A. | Indian ocean |
| B. | Pacific ocean |
| C. | Arctic ocean |
| D. | Atlantic ocean |
| Answer» C. Arctic ocean | |
| 828. |
Which one of the following sea is the largest in area? |
| A. | Sea of Okhotsk |
| B. | Sea of Japan |
| C. | Sea of China |
| D. | Bering Sea |
| Answer» E. | |
| 829. |
Match list I with list II and select the correct answer using the codes given below the lists: List-I (water bodies) List-II (Distribution of water in %) A. Oceans (i) 0.0001 B. Icecaps (ii) 0.0019 C. Atmosphere (iii) 97.3 D. Rivers (iv) 2.0 |
| A. | A - (iii), B - (iv), C - (ii), D - (i) |
| B. | A - (i), B - (ii), C - (iii), D - (iv) |
| C. | A - (iii), B - (i), C - (ii), D - (iv) |
| D. | A - (iv), B - (iii), C - (ii), D - (i) |
| Answer» B. A - (i), B - (ii), C - (iii), D - (iv) | |
| 830. |
What is true about Nile? 1. Forms the largest delta of the world 2. The longest river of Ac world 3. Provides fertile soils and water for irrigation in a desert region The most voluminous river |
| A. | 1 and 2 |
| B. | 1 and 3 |
| C. | 2 and 3 |
| D. | 3 and 4 |
| Answer» D. 3 and 4 | |
| 831. |
Match the List-I with List-II and select the correct answer from the codes given below: List-I List-II A. Agulhas current 1. North Atlantic B. Kuroshio current 2. South Atlantic C. Florida current 3. Indian Ocean D. Falkland current 4. North Pacific |
| A. | A-4 B-3 C-2 D-1 |
| B. | A-3 B-4 C-1 D-2 |
| C. | A-1 B-2 C-3 D-4 |
| D. | A-2 B-1 C-4 D-3 |
| Answer» C. A-1 B-2 C-3 D-4 | |
| 832. |
Consider the following statements regarding the Tidal hypothesis: 1. It is a monistic hypothesis. 2. It was propounded by the British scientist James Jeans. 3. It holds filament responsible for the origin of the solar system. Which of the statements given above are correct? |
| A. | 1 and 2 only |
| B. | 1 and 3 only |
| C. | 2 and 3 only |
| D. | 1, 2 and 3 |
| Answer» D. 1, 2 and 3 | |
| 833. |
Which of the following is the correct order of current of the South Atlantic Ocean from Equator and back? 1. Benguela 2. Brazil 3. South Atlantic Drift 4. South Equatorial |
| A. | 1, 4, 2, 3 |
| B. | 3, 2, 1, 4 |
| C. | 4, 2, 3, 1 |
| D. | 3, 2, 4, 1 |
| Answer» D. 3, 2, 4, 1 | |
| 834. |
Which one of the following is the correct sequence of the terrigenous deposits from the coast to the deeper part of the sea'? Use the codes given below to select the correct answer: 1. Clay 2. Mud 3. Sand 4. Silt |
| A. | 4, 2, 1, 3 |
| B. | 3, 2, 4, 1 |
| C. | 1, 4, 3, 2 |
| D. | 3, 4, 1, 2 |
| Answer» E. | |
| 835. |
Match the following two lists and choose the correct answer from the codes given below: List-I (Oceans) List-II (Ridges) A. Atlantic ocean 1. Cocos ridge B. Pacific ocean 2. Lomonosov ridge C. Indian ocean 3. Dolphin ridge and challenge ridge D. Arctic ocean 4. South East Indian ridge |
| A. | A-2 B-4 C-1 D-3 |
| B. | A-3 B-1 C-4 D-2 |
| C. | A-1 B-2 C-3 D-4 |
| D. | A-4 B-3 C-2 D-1 |
| Answer» C. A-1 B-2 C-3 D-4 | |
| 836. |
The deepest lake of the world is |
| A. | Baikal |
| B. | Crater |
| C. | Nyasa |
| D. | Tanganyika |
| Answer» B. Crater | |
| 837. |
Consider the following statements: 1. The Earth does not move along its orbit at a constant rate 2. The Earth moves fastest at perihelion and slowest at aphelion. The above statements are true of which, one of the following laws'? |
| A. | Kepler's second law |
| B. | New ton's second law of motion |
| C. | Ohm's law |
| D. | Newton's law of gravitation |
| Answer» B. New ton's second law of motion | |
| 838. |
Consider the following statements and select the correct answer from the code given below: Assertion [A]: The circum-pacific belt is the most vulnerable zone of Tsunamis. Reason [R]: It is tectonically most active area and generates weld's major earthquakes. |
| 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. | |
| 839. |
Consider the following statements and select the correct answer from the codes given below: Assertion [A]: Equatorial counter current is not found in the Indian ocean during summer season. Reason [R]: During summer season south-west monsoon current is dominant in northern Indian Ocean. |
| 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. | |
| 840. |
Which one of the following is called marine snow snowfall? |
| A. | Fall of snowflakes on sea surface. |
| B. | Fall of hail on sea surface. |
| C. | Continuous fall of snow pellets on ocean floors. |
| D. | Continuous fall of tiny marine sediments on ocean floors. |
| Answer» E. | |
| 841. |
Which one of the following statements is not true about subsidence theory of Coral reefs? |
| A. | The theory has been postulated by Charles Darwin. |
| B. | According to the theory coral polyps grow both in shallow and deep oceanic waters. |
| C. | Fringing reef, barrier reef and atolls arc successive stages of coral reef development. |
| D. | Reef building starts from submarine plate form. |
| Answer» C. Fringing reef, barrier reef and atolls arc successive stages of coral reef development. | |
| 842. |
What is the most abundant component of salts in sea '? |
| A. | Calcium |
| B. | Sodium |
| C. | Chlorine |
| D. | Potassium |
| Answer» D. Potassium | |
| 843. |
The colour of Yellow Sea is the result of |
| A. | industrial pollution. |
| B. | peculiar types of phytoplankton growing there, |
| C. | Silt brought by Hwang-HE river. |
| D. | high sulphur content in the bottom rocks. |
| Answer» D. high sulphur content in the bottom rocks. | |
| 844. |
Canaries Current flows along |
| A. | Brazilian coast |
| B. | Peruvian coast |
| C. | East African coast |
| D. | West African coast |
| Answer» E. | |
| 845. |
Humboldt Current flows |
| A. | Southwards in Western Pacific Ocean |
| B. | Northwards in Eastern Pacific Ocean |
| C. | Southwards in Eastern Pacific Ocean |
| D. | Northwards in Western Pacific Ocean |
| Answer» C. Southwards in Eastern Pacific Ocean | |
| 846. |
The highest salinity is found in which of the following lakes? |
| A. | Van Lake |
| B. | Dead sea |
| C. | Balkash lake |
| D. | Baikal lake |
| Answer» C. Balkash lake | |
| 847. |
Among oceanic trenches the deepest trench is |
| A. | Kurile trench |
| B. | Japan trench |
| C. | Mariana trench |
| D. | Tonga trench |
| Answer» D. Tonga trench | |
| 848. |
Volcanic eruptions do not occurs in the |
| A. | Baltic sea |
| B. | Black sea |
| C. | Caribbean sea |
| D. | Caspian sea |
| Answer» B. Black sea | |
| 849. |
Coral reef extending along with eastern coast of Australia is |
| A. | Fringing reef |
| B. | Barrier reef |
| C. | Atoll |
| D. | Coral island |
| Answer» C. Atoll | |
| 850. |
Gulf stream is |
| A. | A river in the Gulf |
| B. | An ocean current |
| C. | A second name of jet stream |
| D. | A local wind |
| Answer» C. A second name of jet stream | |