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Question 1 of 10
1. Question
2 points
Consider the following statements regarding Heat Budget.
1.Roughly 70 percent of heat received from sun is reflected back to space even before reaching the earth’s surface.
2.The reflected amount of radiation by the Earth is called the albedo of the earth.
Which of the above statements is/are correct?
Correct
Solution: b)
The earth as a whole does not accumulate or loose heat. It maintains its temperature. This can happen only if the amount of heat received in the form of insolation equals the amount lost by the earth through terrestrial radiation. Consider that the insolation received at the top of the atmosphere is 100 per cent. While passing through the atmosphere some amount of energy is reflected, scattered and absorbed. Only the remaining part reaches the earth surface. Roughly 35 units are reflected back to space even before reaching the earth’s surface. Of these, 27 units are reflected back from the top of the clouds and 2 units from the snow and ice-covered areas of the earth. The reflected amount of radiation is called the albedo of the earth.
Incorrect
Solution: b)
The earth as a whole does not accumulate or loose heat. It maintains its temperature. This can happen only if the amount of heat received in the form of insolation equals the amount lost by the earth through terrestrial radiation. Consider that the insolation received at the top of the atmosphere is 100 per cent. While passing through the atmosphere some amount of energy is reflected, scattered and absorbed. Only the remaining part reaches the earth surface. Roughly 35 units are reflected back to space even before reaching the earth’s surface. Of these, 27 units are reflected back from the top of the clouds and 2 units from the snow and ice-covered areas of the earth. The reflected amount of radiation is called the albedo of the earth.
Question 2 of 10
2. Question
2 points
Consider the following statements regarding first stage of Demographic transition.
1.The first stage has high fertility and high mortality.
2.Most of the people are engaged in agriculture.
3.The population growth is high.
Which of the above statements is/are correct?
Correct
Solution: c)
Incorrect
Solution: c)
Question 3 of 10
3. Question
2 points
Which of the following factors can be considered as the Basis of International Trade?
1.Stage of economic development
2.Population
3.Extent of foreign investment
4.Difference in national resources
Select the correct answer code:
Correct
Solution: d)
Incorrect
Solution: d)
Question 4 of 10
4. Question
2 points
Which of the following countries does not share its border with Saudi Arabia?
Correct
Solution: b)
Incorrect
Solution: b)
Question 5 of 10
5. Question
2 points
Consider the following pairs regarding names of Shifting cultivation and their region
1.Jhuming – North eastern states of India
2.Milpa – Central America and Mexico
3.Ladang – Indonesia and Malaysia
Which of the above pairs is/are correctly matched?
Correct
Solution: d)
Incorrect
Solution: d)
Question 6 of 10
6. Question
2 points
As per the Koeppen climatic classification, which of the following regions of India has a Steppe Climate?
1.North-eastern India
2.Parts of North-western India
3.Leeward side of Western Ghats
Select the correct answer code:
Correct
Solution: c)
Steppe climate will have lower and irregular rainfall. North-eastern India receives either abundant rainfall or gets too cold for being called a steppe climate.
Incorrect
Solution: c)
Steppe climate will have lower and irregular rainfall. North-eastern India receives either abundant rainfall or gets too cold for being called a steppe climate.
Question 7 of 10
7. Question
2 points
Consider the following statements.
1.The breaks in monsoon are related to the movement of the monsoon trough.
2.The onset of monsoon is a more gradual process compared to the withdrawal or the retreat of the monsoon.
Which of the above statements is/are correct?
Correct
Solution: a)
A phenomenon associated with the monsoon is its tendency to have ‘breaks’ in rainfall. Thus, it has wet and dry spells. In other words, the monsoon rains take place only for a few days at a time. They are interspersed with rainless intervals.
These breaks in monsoon are related to the movement of the monsoon trough. For various reasons, the trough and its axis keep on moving northward or southward, which determines the spatial distribution of rainfall.
Withdrawal or the retreat of the monsoon is a more gradual process.
Incorrect
Solution: a)
A phenomenon associated with the monsoon is its tendency to have ‘breaks’ in rainfall. Thus, it has wet and dry spells. In other words, the monsoon rains take place only for a few days at a time. They are interspersed with rainless intervals.
These breaks in monsoon are related to the movement of the monsoon trough. For various reasons, the trough and its axis keep on moving northward or southward, which determines the spatial distribution of rainfall.
Withdrawal or the retreat of the monsoon is a more gradual process.
Question 8 of 10
8. Question
2 points
Consider the following statements regarding Jet streams.
1.Jet streams are some of the strongest winds in the atmosphere.
2.They are faster in winter when the temperature differences between tropical, temperate, and polarair currents are greater.
3.They help bring summer monsoons to the Indian Ocean.
Which of the above statements is/are correct?
Correct
Solution: d)
Jet streams are some of the strongest winds in the atmosphere. Their speeds usually range from 129 to 225 kilometers per hour, but they can reach more than 443 kilometers per hour. They are faster in winter when the temperature differences between tropical, temperate, and polar air currents are greater.
At most times in the Northern and Southern Hemispheres, there are two jet streams: a subtropical jet stream centered at about 30 degrees latitude and a polar-front jet stream whose position varies with the boundary between polar and temperate air. A reverse jet stream blows toward the west in tropical high altitudes during the Northern Hemispheres summer. It is associated with the heating of the Asian continent and may help bring summer monsoons to the Indian Ocean.
Incorrect
Solution: d)
Jet streams are some of the strongest winds in the atmosphere. Their speeds usually range from 129 to 225 kilometers per hour, but they can reach more than 443 kilometers per hour. They are faster in winter when the temperature differences between tropical, temperate, and polar air currents are greater.
At most times in the Northern and Southern Hemispheres, there are two jet streams: a subtropical jet stream centered at about 30 degrees latitude and a polar-front jet stream whose position varies with the boundary between polar and temperate air. A reverse jet stream blows toward the west in tropical high altitudes during the Northern Hemispheres summer. It is associated with the heating of the Asian continent and may help bring summer monsoons to the Indian Ocean.
Question 9 of 10
9. Question
2 points
Consider the following statements.
1.Rainfall decreases from east to west in northern India.
2.Rainfall consistently decreases with gain in altitude in North-eastern India.
Which of the above statements is/are correct?
Correct
Solution: a)
Incorrect
Solution: a)
Question 10 of 10
10. Question
2 points
Consider the following statements regarding Western Cyclonic Disturbances.
1.They Occur mainly in winter months.
2.They Cause tropical cyclones in the coastal belts of India.
Which of the above statements is/are incorrect?
Correct
Solution: b)
The western cyclonic disturbances are weather phenomena of the winter months brought in by the westerly flow from the Mediterranean region.
They usually influence the weather of the north and north-western regions of India.
Incorrect
Solution: b)
The western cyclonic disturbances are weather phenomena of the winter months brought in by the westerly flow from the Mediterranean region.
They usually influence the weather of the north and north-western regions of India.
