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Question 1 of 5
1. Question
Which of the following factors can cause tsunamis in the ocean?
- Undersea earthquakes
- Volcanic eruption
- A large meteorite strike
- Underwater landslide
Select the correct code:
Correct
Solution: d)
A tsunami is a large ocean wave that is caused by sudden motion on the ocean floor. This sudden motion could be an earthquake, a powerful volcanic eruption, or an underwater landslide. The impact of a large meteorite could also cause a tsunami. Tsunamis travel across the open ocean at great speeds and build into large deadly waves in the shallow water of a shoreline.
Incorrect
Solution: d)
A tsunami is a large ocean wave that is caused by sudden motion on the ocean floor. This sudden motion could be an earthquake, a powerful volcanic eruption, or an underwater landslide. The impact of a large meteorite could also cause a tsunami. Tsunamis travel across the open ocean at great speeds and build into large deadly waves in the shallow water of a shoreline.
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Question 2 of 5
2. Question
The speed of tsunami waves in Ocean largely depends on
Correct
Solution: c)
Tsunamis are giant waves caused by earthquakes or volcanic eruptions under the sea. Out in the depths of the ocean, tsunami waves do not dramatically increase in height. But as the waves travel inland, they build up to higher and higher heights as the depth of the ocean decreases.
It depends on Ocean depth rather than the distance from the source of the wave. Tsunami waves may travel as fast as jet planes over deep waters, only slowing down when reaching shallow waters.
Incorrect
Solution: c)
Tsunamis are giant waves caused by earthquakes or volcanic eruptions under the sea. Out in the depths of the ocean, tsunami waves do not dramatically increase in height. But as the waves travel inland, they build up to higher and higher heights as the depth of the ocean decreases.
It depends on Ocean depth rather than the distance from the source of the wave. Tsunami waves may travel as fast as jet planes over deep waters, only slowing down when reaching shallow waters.
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Question 3 of 5
3. Question
Consider the following statements.
- High tides help in navigation as they raise the water level close to the shores.
- More fish come closer to the shore during the Low tide.
Which of the above statements is/are incorrect?
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 4 of 5
4. Question
Consider the following pairs:
Ocean Current: Type of Current:
- Canaries current Warm current
- Brazilian current Cold current
- California current Warm current
Which of the above pairs is/are correctly matched?
Correct
Solution: d)
Incorrect
Solution: d)
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Question 5 of 5
5. Question
The Bay of Fundy, famous for its high tides, is located in
Correct
Solution: b)
The highest tides in the world occur in the Bay of Fundy in Nova Scotia, Canada.
Incorrect
Solution: b)
The highest tides in the world occur in the Bay of Fundy in Nova Scotia, Canada.
