INSIGHTS REVISION TEST for Preliminary Exam 2018:
(Geography)
Test –56
Detailed Revision Timetable
INSIGHTS IAS REVISION PLAN FOR PRELIMS 2018 - DAILY REVISION TESTS
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Welcome to Insights IAS Revision Plan for UPSC Civil Services Preliminary Exam – 2018.
If you are wondering why these questions are posted, please refer to the detailed Timetable provided HERE.
These questions serve TWO purposes: One to test your revision skills; Second is to give you a glimpse into topics that you might have missed during revision.
If you score ow marks, please don’t feel bad. Revise more effectively and try to learn from mistakes. Wish you all the best.
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Question 1 of 20
1. Question
2 pointsCyclones or hurricanes do not develop within about 5° N and S of the equator because the
Correct
Answer: (d)
Justification:
The conditions required for tropical cyclones are sea surface temperature more than 26’c, sufficient coriolis force, pressure gradient force and pre-existing vortex. Tropical cyclones do not form near the Equator (within 5 degrees latitude) b/c the Coriolis force is 0 and air tends to flow straight into low pressure centers, so it feels up before the pressure can drop enough.
Incorrect
Answer: (d)
Justification:
The conditions required for tropical cyclones are sea surface temperature more than 26’c, sufficient coriolis force, pressure gradient force and pre-existing vortex. Tropical cyclones do not form near the Equator (within 5 degrees latitude) b/c the Coriolis force is 0 and air tends to flow straight into low pressure centers, so it feels up before the pressure can drop enough.
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Question 2 of 20
2. Question
2 pointsCondensation is a process which occurs when
Correct
Answer: (c)
Justification:
Relative Humidity expressed as a percentage (%) is the amount of water vapor in a column of air compared to the total amount of moisture that the same column of air can hold. When water vapor becomes saturated, it reaches its capacity for holding water so further cooling results in condensation and possibly rainfall.
Incorrect
Answer: (c)
Justification:
Relative Humidity expressed as a percentage (%) is the amount of water vapor in a column of air compared to the total amount of moisture that the same column of air can hold. When water vapor becomes saturated, it reaches its capacity for holding water so further cooling results in condensation and possibly rainfall.
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Question 3 of 20
3. Question
2 pointsNorthern part of Australia is typified by which one of the following
Correct
Answer: (b)
Justification:
Monsoon climate is generally related to those areas which register complete seasonal reversal of wind direction and are associated with tropical deciduous forests. The Australian monsoon alternates between two seasonal phases linked to wind direction. In the winter phase, easterly trade winds bring dry conditions. In the summer, westerly winds bring sustained rainy conditions.
Incorrect
Answer: (b)
Justification:
Monsoon climate is generally related to those areas which register complete seasonal reversal of wind direction and are associated with tropical deciduous forests. The Australian monsoon alternates between two seasonal phases linked to wind direction. In the winter phase, easterly trade winds bring dry conditions. In the summer, westerly winds bring sustained rainy conditions.
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Question 4 of 20
4. Question
2 pointsTemperate cyclones are characterised by which of the following
Correct
Answer: (a)
Justification:
In mid-latitudes, much of our weather is associated with a particular kind of storm, the extratropical cyclone Cyclone: circulation around low pressure center. Extratropical cyclones derive their energy from horizontal temperature contrasts. They typically form on a boundary between a warm and a cold air mass associated with an upper tropospheric jet stream .Their circulations affect the entire troposphere over a region 1000 km or more across. Extratropical cyclones tend to develop with a particular lifecycle . The low pressure center moves roughly with the speed of the 500 mb wind above it. An extratropical cyclone tends to focus the temperature contrasts into ‘frontal zones’ of particularly rapid horizontal temperature change.
Incorrect
Answer: (a)
Justification:
In mid-latitudes, much of our weather is associated with a particular kind of storm, the extratropical cyclone Cyclone: circulation around low pressure center. Extratropical cyclones derive their energy from horizontal temperature contrasts. They typically form on a boundary between a warm and a cold air mass associated with an upper tropospheric jet stream .Their circulations affect the entire troposphere over a region 1000 km or more across. Extratropical cyclones tend to develop with a particular lifecycle . The low pressure center moves roughly with the speed of the 500 mb wind above it. An extratropical cyclone tends to focus the temperature contrasts into ‘frontal zones’ of particularly rapid horizontal temperature change.
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Question 5 of 20
5. Question
2 pointsTemperature generally decreases towards the poles because
Correct
Answer: (d)
Justification:
Beyond Tropic of Cancer and Capricorn the sun rays are oblique. As the angle of sun rays decreases poleward, the amount of insolation received also decreases.
Incorrect
Answer: (d)
Justification:
Beyond Tropic of Cancer and Capricorn the sun rays are oblique. As the angle of sun rays decreases poleward, the amount of insolation received also decreases.
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Question 6 of 20
6. Question
2 pointsConsider the following statements
1.The Benguela current had its influence in the formation of Namib and Kalahari desert
2.In the North Indian Ocean, there is a complete reversal of the direction of ocean currents between Winter and summer
Which of the following is/are correct
Correct
Answer: (c)
Justification:
The cold Benguela current flowing northward along western coast of Africa, has desiccating affect which leads to formation of arid conditions
The ocean currents of Indian Ocean are completely influenced by the changing nature of the monsoon wind system.
Incorrect
Answer: (c)
Justification:
The cold Benguela current flowing northward along western coast of Africa, has desiccating affect which leads to formation of arid conditions
The ocean currents of Indian Ocean are completely influenced by the changing nature of the monsoon wind system.
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Question 7 of 20
7. Question
2 pointsWhich oceanic feature is at the greatest depth in the ocean
Correct
Answer: (a)
Justification:
Incorrect
Answer: (a)
Justification:
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Question 8 of 20
8. Question
2 pointsA fjord is an example of a coastline that was mainly shaped by
Correct
Answer: (a)
Justification:
A fjord is a long, deep, narrow body of water that reaches far inland. Fjords are often set in a U-shaped valley with steep walls of rock on either side. Fjords are found mainly in Norway, Chile, New Zealand, Canada, Greenland, and the U.S. state of Alaska.
Fjords were created by glaciers. Glaciation carves deep valleys. This is why fjords can be thousands of meters deep. Fjords are usually deepest farther inland, where the glacial force was strongest.Incorrect
Answer: (a)
Justification:
A fjord is a long, deep, narrow body of water that reaches far inland. Fjords are often set in a U-shaped valley with steep walls of rock on either side. Fjords are found mainly in Norway, Chile, New Zealand, Canada, Greenland, and the U.S. state of Alaska.
Fjords were created by glaciers. Glaciation carves deep valleys. This is why fjords can be thousands of meters deep. Fjords are usually deepest farther inland, where the glacial force was strongest. -
Question 9 of 20
9. Question
2 pointsThe productivity of fishery is high along the coast of Peru because
Correct
Answer: (b)
Justification:
Winds blowing across the ocean surface push water away. Water then rises up from beneath the surface to replace the water that was pushed away. This process is known as “upwelling.”
Upwelling occurs in the open ocean and along coastlines. The reverse process, called “downwelling,” also occurs when wind causes surface water to build up along a coastline and the surface water eventually sinks toward the bottom.
Water that rises to the surface as a result of upwelling is typically colder and is rich in nutrients. These nutrients “fertilize” surface waters, meaning that these surface waters often have high biological productivity. Therefore, good fishing grounds typically are found where upwelling is common. The anchovy population that is the basis of the Peru fishery, the world’s largest, is a phytoplankton feeding species, supported by an upwelling based ecosystem.
Incorrect
Answer: (b)
Justification:
Winds blowing across the ocean surface push water away. Water then rises up from beneath the surface to replace the water that was pushed away. This process is known as “upwelling.”
Upwelling occurs in the open ocean and along coastlines. The reverse process, called “downwelling,” also occurs when wind causes surface water to build up along a coastline and the surface water eventually sinks toward the bottom.
Water that rises to the surface as a result of upwelling is typically colder and is rich in nutrients. These nutrients “fertilize” surface waters, meaning that these surface waters often have high biological productivity. Therefore, good fishing grounds typically are found where upwelling is common. The anchovy population that is the basis of the Peru fishery, the world’s largest, is a phytoplankton feeding species, supported by an upwelling based ecosystem.
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Question 10 of 20
10. Question
2 pointsWhich of the following state has the highest percentage of Christian population in India
Correct
Answer: (d)
Justification:
Nagaland – 87.93%
Arunachal Pradesh – 30.26%
Goa – 25.10%
Kerala – 18.38%
Incorrect
Answer: (d)
Justification:
Nagaland – 87.93%
Arunachal Pradesh – 30.26%
Goa – 25.10%
Kerala – 18.38%
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Question 11 of 20
11. Question
2 pointsConsider the following statements
1.In general, the rail density in Northern plains is higher than peninsular plateau.
2.Gorakhpur is headquarters of North-eastern railways.
Which of the following is/are correct
Correct
Answer: (c)
Justification:
Because of the level topography and higher density of populations, the rail density is higher in states of Northern plains. Topography of peninsular plateau and north eastern states leads to higher cost of laying rail lines. Rail density is lower. Gorakhpur is the HQ of North-eastern railways. Maligaon( Guwahati ) is HQ of North east Frontier railways.
Incorrect
Answer: (c)
Justification:
Because of the level topography and higher density of populations, the rail density is higher in states of Northern plains. Topography of peninsular plateau and north eastern states leads to higher cost of laying rail lines. Rail density is lower. Gorakhpur is the HQ of North-eastern railways. Maligaon( Guwahati ) is HQ of North east Frontier railways.
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Question 12 of 20
12. Question
2 pointsConsider the following statements
1.China is the leading producer of palm oil in the world
2.Andhra Pradesh is the leading producer of palm oil in India
Which of the following statements is/are correct
Correct
Answer: (b)
Justification:
Indonesia and Malaysia are the leading producers of palm oil in the world. In India Andhra Pradesh is the leading producer of palm oil. Apart from Andhra Pradesh (including Telangana), Kerala, Karnataka, north-eastern states are important producers.
Incorrect
Answer: (b)
Justification:
Indonesia and Malaysia are the leading producers of palm oil in the world. In India Andhra Pradesh is the leading producer of palm oil. Apart from Andhra Pradesh (including Telangana), Kerala, Karnataka, north-eastern states are important producers.
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Question 13 of 20
13. Question
2 pointsIn India among four streams of internal migration, the highest percentage of migration is between
Correct
Answer: (a)
Justification:
Highest percentage of internal migration is between rural to rural. Most of migration are related to marriage and agricultural labours. Female migrants dominate in intrastate migration.
Incorrect
Answer: (a)
Justification:
Highest percentage of internal migration is between rural to rural. Most of migration are related to marriage and agricultural labours. Female migrants dominate in intrastate migration.
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Question 14 of 20
14. Question
2 pointsGanga is navigable between
Correct
Answer: (d)
Justification:
National Waterway 1 or NW1 will starts from Allahabad to Haldia with an distance of 1620 km. The NW 1 run through the Ganges, Bhagirathi and Hooghly river system with having fixed terminals at Haldia,Farrakka and Patna and floating terminals at most of the riverside cities like Kolkata,Bhagalpur,Varanasi and Allahabad.
Incorrect
Answer: (d)
Justification:
National Waterway 1 or NW1 will starts from Allahabad to Haldia with an distance of 1620 km. The NW 1 run through the Ganges, Bhagirathi and Hooghly river system with having fixed terminals at Haldia,Farrakka and Patna and floating terminals at most of the riverside cities like Kolkata,Bhagalpur,Varanasi and Allahabad.
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Question 15 of 20
15. Question
2 pointsConsider the following cities on eastern coast of Australia
1.Sydney
2.Brisbane
3.Melbourne
The correct sequence of these cities, from North to South is
Correct
Answer: (b)
Incorrect
Answer: (b)
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Question 16 of 20
16. Question
2 pointsMost part of Central Africa is forested because
Correct
Answer: (c)
Justification:
Equator passes through Central part of Africa. Having equatorial type of climate the region is densely forested.
Incorrect
Answer: (c)
Justification:
Equator passes through Central part of Africa. Having equatorial type of climate the region is densely forested.
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Question 17 of 20
17. Question
2 pointsArakan Yoma and Pegu Yomas are located in
Correct
Answer: (a)
Incorrect
Answer: (a)
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Question 18 of 20
18. Question
2 pointsWhich of the following South-East Asian country is landlocked
Correct
Answer: (c)
Incorrect
Answer: (c)
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Question 19 of 20
19. Question
2 pointsConsider the following statements
1.Prime meridian does not pass through Africa
2.Tropic of Cancer passes through northern part of South America
Which of the following is/are correct
Correct
Answer: (d)
Incorrect
Answer: (d)
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Question 20 of 20
20. Question
2 pointsCatalonia region in Spain is located along coast of
Correct
Answer: (b)
Incorrect
Answer: (b)
Wish you all the best!.
