IASbaba's Daily Static Quiz
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DAILY STATIC QUIZ will cover all the topics of Static/Core subjects – Polity, History, Geography, Economics, Environment and Science and technology.
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UPSC Static Quiz - 2020: IASbaba's Daily Static Quiz - GEOGRAPHY [Day 53]
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Question 1 of 10
1. Question
Factors that affect the salinity of the ocean waters are
Correct
Solution (d)
Factors affecting the salinity of sea/ocean waters are
Evaporation and Precipitation – The salinity of water in the surface layer of oceans depend mainly on evaporation and precipitation.
Fresh Water flow – Surface salinity is greatly influenced in coastal regions by the fresh water flow from Rivers, and in Polar Regions by the processes of freezing and thawing of ice.
Wind – Influences salinity of an area by transferring water to other areas.
The ocean currents – contribute to the salinity variations.
Salinity, Temperature and density of water are interrelated. Hence, any change in the Temperature or density influences the salinity of an area.
Hence option d is correct.
Incorrect
Solution (d)
Factors affecting the salinity of sea/ocean waters are
Evaporation and Precipitation – The salinity of water in the surface layer of oceans depend mainly on evaporation and precipitation.
Fresh Water flow – Surface salinity is greatly influenced in coastal regions by the fresh water flow from Rivers, and in Polar Regions by the processes of freezing and thawing of ice.
Wind – Influences salinity of an area by transferring water to other areas.
The ocean currents – contribute to the salinity variations.
Salinity, Temperature and density of water are interrelated. Hence, any change in the Temperature or density influences the salinity of an area.
Hence option d is correct.
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Question 2 of 10
2. Question
Which of the following factors influence the ocean currents
- Rotation of the Earth
- Revolution of the Earth
- Air Pressure and Wind
- Density of the Ocean Water
Which of the statements given above is/are correct?
Correct
Solution (d)
Rotation of the Earth results in Coriolis force. This force deflects the Ocean Currents.
Hence statement 1 is correct
Wind blowing on the surface of the ocean pushes the water to move. Friction between the wind and the surface water affects the movement of the water body in its course. Winds are responsible for both magnitude and direction of the ocean currents.
Hence statement 3 is correct
Differences in water density affect vertical mobility of ocean currents
Hence statement 4 is correct
Incorrect
Solution (d)
Rotation of the Earth results in Coriolis force. This force deflects the Ocean Currents.
Hence statement 1 is correct
Wind blowing on the surface of the ocean pushes the water to move. Friction between the wind and the surface water affects the movement of the water body in its course. Winds are responsible for both magnitude and direction of the ocean currents.
Hence statement 3 is correct
Differences in water density affect vertical mobility of ocean currents
Hence statement 4 is correct
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Question 3 of 10
3. Question
Consider the following statements
- The shallowest part of the ocean is continental slope which shows an average slope gradient of 1° or even less
- Deep sea plains are steeply sloping areas of the ocean basins.
Which of the statements given above is/are correct?
Correct
Solution (d)
The continental shelf is the extended margin of each continent occupied by relatively shallow seas and gulfs. It is the shallowest part of the ocean showing an average gradient of 1° or even less.
Hence statement 1 is incorrect.
Deep sea plains are gently sloping areas of the ocean basins. These are the flattest and smoothest regions of the world because of terrigenous [denoting marine sediment eroded from the Land] and shallow water sediments that buries the irregular topography.
Hence statement 2 is incorrect.
Incorrect
Solution (d)
The continental shelf is the extended margin of each continent occupied by relatively shallow seas and gulfs. It is the shallowest part of the ocean showing an average gradient of 1° or even less.
Hence statement 1 is incorrect.
Deep sea plains are gently sloping areas of the ocean basins. These are the flattest and smoothest regions of the world because of terrigenous [denoting marine sediment eroded from the Land] and shallow water sediments that buries the irregular topography.
Hence statement 2 is incorrect.
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Question 4 of 10
4. Question
Consider the following statements
- The North Sea, in spite of its location in higher latitudes, records higher salinity due to more saline water brought by the North Atlantic Drift.
- Baltic Sea, records low salinity due to influx of River waters in large quantity.
- The Mediterranean Sea, records higher salinity due to high evaporation.
- In Bay of Bengal, the low salinity trend is observed due to influx of River water by the River Ganga.
Which of the statements given above is/are correct?
Correct
Solution (d)
The salinity for normal Open Ocean ranges between 33o/oo and 37 o/oo. In the Land locked Red Sea, it is as high as 41o/oo, while in the estuaries and the Arctic, the salinity fluctuates from 0 – 35 o/oo, seasonally. In hot and dry regions, where evaporation is high, the salinity sometimes reaches to 70 o/oo.
The North Sea – in spite of its location in higher latitudes, records higher salinity due to more saline water brought by the North Atlantic Drift.
Baltic Sea – records low salinity due to influx of River waters in large quantity.
The Mediterranean Sea -records higher salinity due to high evaporation.
Black Sea – Salinity is very low in Black Sea due to enormous fresh water influx by Rivers.
Indian Ocean – The average salinity of the Indian Ocean is 35 o/oo.
Bay of Bengal – The low salinity trend is observed in the Bay of Bengal due to influx of River water by the River Ganga.
Arabian Sea – On the contrary, the Arabian Sea shows higher salinity due to high evaporation and low influx of fresh water.
Hence all the statements are correct.
Incorrect
Solution (d)
The salinity for normal Open Ocean ranges between 33o/oo and 37 o/oo. In the Land locked Red Sea, it is as high as 41o/oo, while in the estuaries and the Arctic, the salinity fluctuates from 0 – 35 o/oo, seasonally. In hot and dry regions, where evaporation is high, the salinity sometimes reaches to 70 o/oo.
The North Sea – in spite of its location in higher latitudes, records higher salinity due to more saline water brought by the North Atlantic Drift.
Baltic Sea – records low salinity due to influx of River waters in large quantity.
The Mediterranean Sea -records higher salinity due to high evaporation.
Black Sea – Salinity is very low in Black Sea due to enormous fresh water influx by Rivers.
Indian Ocean – The average salinity of the Indian Ocean is 35 o/oo.
Bay of Bengal – The low salinity trend is observed in the Bay of Bengal due to influx of River water by the River Ganga.
Arabian Sea – On the contrary, the Arabian Sea shows higher salinity due to high evaporation and low influx of fresh water.
Hence all the statements are correct.
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Question 5 of 10
5. Question
The size and shape of the Waves reveal the origin the wave. Consider the following correlations in this regard:
- Slow and steady waves originate from faraway places, possibly from another hemisphere.
- Steep waves are fairly young ones and are probably formed by local wind.
Which of the statements given above is/are correct?
Correct
Solution (c)
Slow and steady waves originate from faraway places, possibly from another hemisphere. The maximum wave height is determined by the strength of the wind, i.e. how long it blows and the area over which it blows in a single direction.
Hence statement 1 is correct.
The largest waves are found in the open oceans. Waves continue to grow larger as they move and absorb energy from the wind. Most of the waves are caused by the wind driving against water. Waves may travel thousands of km before rolling ashore, breaking and dissolving as surf. A wave’s size and shape reveal its origin. Steep waves are fairly young ones and are probably formed by local wind.
Hence statement 2 is correct.
Incorrect
Solution (c)
Slow and steady waves originate from faraway places, possibly from another hemisphere. The maximum wave height is determined by the strength of the wind, i.e. how long it blows and the area over which it blows in a single direction.
Hence statement 1 is correct.
The largest waves are found in the open oceans. Waves continue to grow larger as they move and absorb energy from the wind. Most of the waves are caused by the wind driving against water. Waves may travel thousands of km before rolling ashore, breaking and dissolving as surf. A wave’s size and shape reveal its origin. Steep waves are fairly young ones and are probably formed by local wind.
Hence statement 2 is correct.
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Question 6 of 10
6. Question
Consider the following statements with regard to Neap Tide:
- It occurs when the Earth, Sun and Moon are aligned.
- Results in greatest variation between high and low tides.
- Neap tides occur during the first and third quarter moon, when the moon appears “half full.”
Which of the statements given above is/are correct?
Correct
Solution (b)
It occurs when the Moon is 90 degree out of alignment with the Sun and Earth
Hence Statement 1 is incorrect
Results in smallest variation between high and low tides
Hence Statement 2 is incorrect
Neap tides occur during the first and third quarter moon, when the moon appears “half full.”
Hence Statement 3 is correct
Incorrect
Solution (b)
It occurs when the Moon is 90 degree out of alignment with the Sun and Earth
Hence Statement 1 is incorrect
Results in smallest variation between high and low tides
Hence Statement 2 is incorrect
Neap tides occur during the first and third quarter moon, when the moon appears “half full.”
Hence Statement 3 is correct
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Question 7 of 10
7. Question
Which of the following landforms are formed by the erosional action of Glaciers?
- Fjords
- Areti
- Cirque
- V – shape Valley
- Moraines
Select the code from following:
Correct
Solution (a)
Incorrect
Solution (a)
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Question 8 of 10
8. Question
Consider the following statements.
- Wular Lake (Jammu & Kashmir) is the largest freshwater lake in India, formed by tectonic activity.
- Lonar in Maharashtra is a volcanic lake.
- Lake Chilka is an erosional lake.
Which of the above statements is/are correct?
Correct
Solution (b)
Wular Lake (Jammu & Kashmir) is the largest freshwater lake in India, formed by tectonic activity.
Hence Statement 1 is correct
Lonar in Maharashtra is a volcanic lake.
Hence Statement 2 is correct
Lake Chilka is formed due to Marine deposits.
Hence Statement 3 is incorrect
Incorrect
Solution (b)
Wular Lake (Jammu & Kashmir) is the largest freshwater lake in India, formed by tectonic activity.
Hence Statement 1 is correct
Lonar in Maharashtra is a volcanic lake.
Hence Statement 2 is correct
Lake Chilka is formed due to Marine deposits.
Hence Statement 3 is incorrect
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Question 9 of 10
9. Question
Consider the following statements.
- The lakes formed along rift valleys are deep, narrow and very long.
- Water collects in troughs (Valley in the rift) and their floors are often below sea level.
Which of the above statements is/are NOT CORRECT?
Correct
Solution (d)
The lakes formed along rift valleys are deep, narrow and very long.
Hence Statement 1 is correct
Water collects in troughs (Valley in the rift) and their floors are often below sea level
Hence Statement 2 is correct
Incorrect
Solution (d)
The lakes formed along rift valleys are deep, narrow and very long.
Hence Statement 1 is correct
Water collects in troughs (Valley in the rift) and their floors are often below sea level
Hence Statement 2 is correct
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Question 10 of 10
10. Question
Which of the below given are conditions that favour the formation of deltas?
- Shallow sea, adjoining the delta
- Strong current at the river mouth which leads to formation of tides
- Active vertical and lateral erosion in the lower course of the river to supply large amount of sediments
Choose the correct answer using the code below:
Correct
Solution (a)
Shallow sea, adjoining the delta
Hence Statement 1 is correct
No strong current at the river mouth which may wash away the sediments.
Hence Statement 2 is incorrect
Active vertical and lateral erosion in the upper course of the river to supply large amount of sediments
Hence Statement 3 is incorrect
Incorrect
Solution (a)
Shallow sea, adjoining the delta
Hence Statement 1 is correct
No strong current at the river mouth which may wash away the sediments.
Hence Statement 2 is incorrect
Active vertical and lateral erosion in the upper course of the river to supply large amount of sediments
Hence Statement 3 is incorrect
