GEOGRAPHY
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Question 1 of 5
1. Question
2 pointsWhich of the following Rivers pass through Tropic of Cancer?
- Sabarmati
- Mahi
- Damodar
- Luni
Select the correct answer using the codes below.
Correct
ANSWER: C
- Luni River does not cross Tropic of cancer.
Incorrect
ANSWER: C
- Luni River does not cross Tropic of cancer.
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Question 2 of 5
2. Question
2 pointsHeat waves are in news which has taken a heavy toll on lives in India.
Consider the following statements regarding heat waves :
- Severe heat waves come under National Calamity just like cold waves.
- IMD recommended to declare a region as severe heat waves affected region if temperature reached beyond 45 degree Celsius.
- It is a natural calamity found in tropical regions and not in temperate regions.
Which of the statements given above is/are correct?
Correct
ANSWER: A
- Central government has declared cold waves, tsunamis etc. as National Calamity but not heat waves. Thus recently after the heat waves took toll of many lives country wide, there was a demand from experts as well as many states for heat waves to be declared as National Calamity.
- Heat waves are the phenomenon found not only in tropical regions but also in temperate regions. Example: UK experienced the severe heat waves in 2013.
Incorrect
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Question 3 of 5
3. Question
2 pointsCoal Bed Methane (CBM) is released during coal mining and is generally recommended to extract it rather than letting it evaporate into the atmosphere when untapped because:
- CBM if is not extracted can cause fire hazards while mining deep areas.
- CBM if allowed to escape into the atmosphere will get converted into carbon monoxide which is a potent green house gas.
Which of the statements is/are the correct reason/s?
Correct
ANSWER: B
CBM doesn’t cause any as such fire hazards if left un extracted. CBM once extracted and used as a source of energy it will be less harmful to environment because the burning of CBM releases majorly carbon dioxide. But if it is not extracted it will escape into atmosphere and get converted into carbon monoxide which is more potent greenhouse gas than carbon dioxide
Incorrect
ANSWER: B
CBM doesn’t cause any as such fire hazards if left un extracted. CBM once extracted and used as a source of energy it will be less harmful to environment because the burning of CBM releases majorly carbon dioxide. But if it is not extracted it will escape into atmosphere and get converted into carbon monoxide which is more potent greenhouse gas than carbon dioxide
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Question 4 of 5
4. Question
2 pointsIndian agriculture is termed to be an Intensive Subsistence Farming type.
What are the characteristic that has made Indian agriculture to be categorized into that type?
- Very high population density.
- Labour intensive farming.
- Lower yield of production in terms of per capita labour force.
- Very small and fragmented land holdings.
Choose the correct answer using the code given below:
Correct
ANSWER: D
Incorrect
ANSWER: D
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Question 5 of 5
5. Question
2 pointsEarth’s magnetosphere is the area around the Earth where the geomagnetic field stretches out into space. Consider the following statements regarding
magnetosphere.
- It is uneven in shape as it stretches largely towards the Sun because of Sun’s magnetic field.
- Solar winds can have influence on the Earth’s magnetosphere.
- This sphere deflects the charged particles that approach the Earth’s surface.
Which of the statements given above are correct?
Correct
ANSWER: B
- First statement is wrong because the magnetosphere stretches away from the Sun and not towards the Sun. The solar wind is a stream of plasma released from the upper atmosphere of the Sun. It consists of mostly electrons, protons and alpha particles with energies usually between 1.5 and 10 keV. As the solar wind approaches a planet that has a well-developed magnetic field (such as
- Earth, Jupiter and Saturn), the particles are deflected by the Lorentz force. The Lorentz force is the combination of electric and magnetic force on a point charge due to electromagnetic fields. If a particle of charge q moves with velocity v in the presence of an electric field E and a magnetic field B, then it will experience a force F = q (E+VB)
- This region, known as the magnetosphere, as it causes the particles to travel around the planet rather than bombarding the atmosphere or surface. The magnetosphere is roughly shaped like a hemisphere on the side facing the Sun, then is drawn out in a long wake on the opposite side. The boundary of this region is called the magnetopause, and some of the particles are able to penetrate the magnetosphere through this region by partial reconnection of the magnetic field lines.
Incorrect
ANSWER: B
- First statement is wrong because the magnetosphere stretches away from the Sun and not towards the Sun. The solar wind is a stream of plasma released from the upper atmosphere of the Sun. It consists of mostly electrons, protons and alpha particles with energies usually between 1.5 and 10 keV. As the solar wind approaches a planet that has a well-developed magnetic field (such as
- Earth, Jupiter and Saturn), the particles are deflected by the Lorentz force. The Lorentz force is the combination of electric and magnetic force on a point charge due to electromagnetic fields. If a particle of charge q moves with velocity v in the presence of an electric field E and a magnetic field B, then it will experience a force F = q (E+VB)
- This region, known as the magnetosphere, as it causes the particles to travel around the planet rather than bombarding the atmosphere or surface. The magnetosphere is roughly shaped like a hemisphere on the side facing the Sun, then is drawn out in a long wake on the opposite side. The boundary of this region is called the magnetopause, and some of the particles are able to penetrate the magnetosphere through this region by partial reconnection of the magnetic field lines.
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