INSIGHTS STATIC QUIZ 2020 - 21
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Question 1 of 5
1. Question
The top layer of warm oceanic water is present throughout the year in
Correct
Solution: a)
The temperature structure of oceans over middle and low latitudes can be described as a three-layer system from surface to the bottom. The first layer represents the top layer of warm oceanic water and it is about 500m thick with temperatures ranging between 20° and 25° C. This layer, within the tropical region, is present throughout the year but in mid latitudes it develops only during summer.
Incorrect
Solution: a)
The temperature structure of oceans over middle and low latitudes can be described as a three-layer system from surface to the bottom. The first layer represents the top layer of warm oceanic water and it is about 500m thick with temperatures ranging between 20° and 25° C. This layer, within the tropical region, is present throughout the year but in mid latitudes it develops only during summer.
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Question 2 of 5
2. Question
Consider the following statements.
- More fish come closer to the shore during the Low tide.
- High tides help in navigation as they raise the water level close to the shores.
Which of the above statements is/are correct?
Correct
Solution: b)
High tides help in navigation. They raise the water level close to the shores. This helps the ships to arrive at the harbour more easily. The high tides also help in fishing. Many more fish come closer to the shore during the high tide. This enables fishermen to get a plentiful catch. The rise and fall of water due to tides is being used to generate electricity in some places.
Incorrect
Solution: b)
High tides help in navigation. They raise the water level close to the shores. This helps the ships to arrive at the harbour more easily. The high tides also help in fishing. Many more fish come closer to the shore during the high tide. This enables fishermen to get a plentiful catch. The rise and fall of water due to tides is being used to generate electricity in some places.
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Question 3 of 5
3. Question
Seas around Japan and the eastern coast of North America have some of the World’s best fishing grounds because
Correct
Solution: c)
The areas where the warm and cold currents meet provide the best fishing grounds of the world. Seas around Japan and the eastern coast of North America are such examples. The areas where a warm and cold current meet also experience foggy weather making it difficult for navigation.
Incorrect
Solution: c)
The areas where the warm and cold currents meet provide the best fishing grounds of the world. Seas around Japan and the eastern coast of North America are such examples. The areas where a warm and cold current meet also experience foggy weather making it difficult for navigation.
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Question 4 of 5
4. Question
Consider the following statements.
- More fresh water can be found in the atmosphere than in the rivers on earth.
- Rivers on earth contain less fresh water than Inland seas and salt lakes.
- Ice-caps contain less fresh water than the fresh water available in the groundwater.
Which of the above statements is/are correct?
Correct
Solution: a)
Incorrect
Solution: a)
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Question 5 of 5
5. Question
In deeper parts of oceans, primary production remains almost nil due to the absence of
Correct
Solution: d)
The oceans below the photic zone are a vast space, largely dependent on food from photosynthetic primary producers living in the sunlit waters above.
This is because phytoplanktons (primary production) require abundant sunlight and nutrients to grow well.
Incorrect
Solution: d)
The oceans below the photic zone are a vast space, largely dependent on food from photosynthetic primary producers living in the sunlit waters above.
This is because phytoplanktons (primary production) require abundant sunlight and nutrients to grow well.
