INSIGHTS STATIC QUIZ 2019
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Question 1 of 5
1. Question
Consider the following statements regarding Polar vortex.
- The polar vortex is a large area of high pressure and cold air surrounding the Earth’s North and South poles.
- The polar vortex spins in the stratosphere.
- During winter in the Northern Hemisphere, the polar vortex will become less stable, sending cold Arctic air southward over the United States.
Which of the above statements is/are correct?
Correct
Solution: b)
The polar vortex is a large area of low pressure and cold air surrounding the Earth’s North and South poles. The term vortex refers to the counter-clockwise flow of air that helps keep the colder air close to the poles.
The polar vortex spins in the stratosphere, a layer of the atmosphere 10-48 km above the ground and above the troposphere, where most familiar weather patterns develop.
Often during winter in the Northern Hemisphere, the polar vortex will become less stable and expand, sending cold Arctic air southward over the United States.
Incorrect
Solution: b)
The polar vortex is a large area of low pressure and cold air surrounding the Earth’s North and South poles. The term vortex refers to the counter-clockwise flow of air that helps keep the colder air close to the poles.
The polar vortex spins in the stratosphere, a layer of the atmosphere 10-48 km above the ground and above the troposphere, where most familiar weather patterns develop.
Often during winter in the Northern Hemisphere, the polar vortex will become less stable and expand, sending cold Arctic air southward over the United States.
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Question 2 of 5
2. Question
Consider the following statements:
- These are the most widespread forests in India
- They spread over regions which receive rainfall between 70-200 cm
- These forests are also found in the north-eastern states along the foothills of Himalayas
The above statements are related to:
Correct
Solution: b)
Tropical Deciduous Forests:
These are the most widespread forests in India. They are also called the monsoon forests. They spread over regions which receive rainfall between 70-200 cm. On the basis of the availability of water, these forests are further divided into moist and dry deciduous.
The Moist deciduous forests are more pronounced in the regions which record rainfall between 100-200 cm. These forests are found in the north-eastern states along the foothills of Himalayas, eastern slopes of the Western Ghats and Odisha.
Incorrect
Solution: b)
Tropical Deciduous Forests:
These are the most widespread forests in India. They are also called the monsoon forests. They spread over regions which receive rainfall between 70-200 cm. On the basis of the availability of water, these forests are further divided into moist and dry deciduous.
The Moist deciduous forests are more pronounced in the regions which record rainfall between 100-200 cm. These forests are found in the north-eastern states along the foothills of Himalayas, eastern slopes of the Western Ghats and Odisha.
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Question 3 of 5
3. Question
Which of the following rivers originate from Mount Kailash?
- Indus
- Brahmaputra
- Karnali
- Sutlej
Select the correct answer code:
Correct
Solution: d)
The Mount Kailash is situated in the western Tibetan plateau of the northernmost region of the Himalayas. Four rivers originate from Mount Kailash: the Indus, the Brahmaputra, the Karnali and the Sutlej.
Incorrect
Solution: d)
The Mount Kailash is situated in the western Tibetan plateau of the northernmost region of the Himalayas. Four rivers originate from Mount Kailash: the Indus, the Brahmaputra, the Karnali and the Sutlej.
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Question 4 of 5
4. Question
Consider the following statements.
- During the day time the intensity of tides is always uniform along the coastline.
- The position of both the sun and the moon in relation to the earth has direct bearing on tide height.
- Neap tides occur when the sun, the moon and the earth are in a straight line.
Which of the above statements is/are incorrect?
Correct
Solution: c)
The shape of bays and estuaries along a coastline can also magnify the intensity of tides.
The position of both the sun and the moon in relation to the earth has direct bearing on tide height. When the sun, the moon and the earth are in a straight line, the height of the tide will be higher. These are called spring tides and they occur twice a month, one on full moon period and another during new moon period.
Normally, there is a seven-day interval between the spring tides and neap tides. At this time the sun and moon are at right angles to each other and the forces of the sun and moon tend to counteract one another.
Incorrect
Solution: c)
The shape of bays and estuaries along a coastline can also magnify the intensity of tides.
The position of both the sun and the moon in relation to the earth has direct bearing on tide height. When the sun, the moon and the earth are in a straight line, the height of the tide will be higher. These are called spring tides and they occur twice a month, one on full moon period and another during new moon period.
Normally, there is a seven-day interval between the spring tides and neap tides. At this time the sun and moon are at right angles to each other and the forces of the sun and moon tend to counteract one another.
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Question 5 of 5
5. Question
Tidal currents are
Correct
Solution: a)
Tidal currents are the tides which are channeled between islands, bays and estuaries. Tidal current has significance in power generation.
Incorrect
Solution: a)
Tidal currents are the tides which are channeled between islands, bays and estuaries. Tidal current has significance in power generation.