In the context of global oil prices, “Brent crude oil” is frequently referred to in the news. What does this term imply? 1. It is a major classification of crude oil. 2. It is sourced from the North Sea. 3. It does not contain sulphur.
Subject: Geography
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A layer in the Earthâs atmosphere called the ionosphere facilitates radio communication. Why
A layer in the Earthâs atmosphere called the ionosphere facilitates radio communication. Why?
1. The presence of ozone causes the reflection of radio waves to earth.
2. Radio waves have a very long wavelength. -
Westerlies in the southern hemisphere are stronger and persistent than in the northern hemisphere. Why
Westerlies in the southern hemisphere are stronger and persistent than in the northern hemisphere. Why?
1. Southern hemisphere has less landmass as compared to northern hemisphere.
2. Coriolis force is higher in southern hemisphere as compared to northern hemisphere. -
The jet aircrafts fly very easily and smoothly in the lower stratosphere. What could be the appropriate explanation
The jet aircrafts fly very easily and smoothly in the lower stratosphere. What could be the appropriate explanation?
1. There are no clouds or water vapour in the lower stratosphere.
2. There are no vertical winds in the lower stratosphere. -
The Brahmaputra, Irrawaddy and Mekong Rivers originate in Tibet’s narrow and parallel mountain ranges in their upper reaches. Of these rivers, Brahmaputra makes a âUâ turn in its course to flow into India. This âUâ turn is due to
The Brahmaputra, Irrawaddy and Mekong Rivers originate in Tibet’s narrow and parallel mountain ranges in their upper reaches. Of these rivers, Brahmaputra makes a âUâ turn in its course to flow into India. This âUâ turn is due to
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What could be the main reason/reasons for the formation of African and Eurasian desert belts
What could be the main reason/reasons for the formation of African and Eurasian desert belts?
1. It is located in the sub-tropical high pressure cells.
2. It is under the influence of warm ocean currents. -
La Nina is suspected to have caused recent floods in Australia. How is La Nina different from EI Nino
La Nina is suspected to have caused recent floods in Australia. How is La Nina different from EI Nino?
1. La Nina is characterized by unusually cold ocean temperature in the equatorial Indian ocean whereas EI Nino is characterized by unusually warm ocean temperature in the equatorial Pacific Ocean.
2. EI Nino has an adverse effect on the southwest monsoon of India, but La Nina has no effect on monsoon climate.
Which of the statements given above is/are correct? -
The formation of ozone holes in the Antarctic Region has been a cause of concern. What could be the reason for the formation of this hole
The formation of ozone holes in the Antarctic Region has been a cause of concern. What could be the reason for the formation of this hole?
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Recently there has been a concern over the short supply of a group of elements called rare earth metals. Why
Recently there has been a concern over the short supply of a group of elements called rare earth metals. Why?
1. China, which is the largest producer of these elements, has imposed some restrictions on their export.
2. Other than China, Australia, Canada, Chile, these elements are not found in any country.
3. Rare earth metals are essential for the manufacture of various kinds of electronic items and there is growing demand for these elements. Select the correct answer using the code given below: -
Despite having large reserves of coal, why does India import millions of tonnes of coal
Despite having large reserves of coal, why does India import millions of tonnes of coal?
1. It is the policy of India to save its own coal reserves for future and import it from other countries for the present use.
2. most of the power plants in India are coal based and they are not able to get sufficient supplies of coal from within the country
3. Steel companies need large quantity of coking coal which has to be imported Which of the statements given above is/are correct?