Geography  Misc

21. Snow line is a line above which no vegetation grows on high altitude mountains because of permanent snow cover. This snow line is higher for Eastern Himalayas compared to that of Western Himalayas. What are the reasons?
Consider the following statements
1. Eastern Himalayas are near to the Equator.
2. Western Himalayas are more continental in their location thus has lesser maritime
influence.
3. Southwest monsoon winds have the moderating effect on the Western Himalayas.
Choose the correct code

1, 2 only. 1, 3 only. 2, 3 only. All the above.

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22. Heat waves was in news recently which killed more than 2,500 people in the year 2015 till June.
Consider the following statements regarding heat waves
1. Heat waves adverse impact occurred mainly in Northern and Eastern region of India.
2. Severe heat waves come under National calamity just like cold waves.
3. IMD recommended to declare a region as severe heat waves affected region if temperature
reached beyond 45 degree Celsius.
4. It is a natural calamity found in tropical regions and not in temperate regions.
Choose the correct statement/s from the code

1, 3 only 2, 3, 4 only 1, 2, 3 only All the above

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23. During monsoon season the ITCZ (inter tropical convergence zone) shifts almost upto 25 degree North latitude over the Indian subcontinent while it rarely crosses 15 degree North latitude in other regions. This is because
1. Vast landmass of eurasia located to the North of the Equator.
2. Intense low pressure over the Northwestern region of Indian subcontinent and over the
vast, high altitude Tibetan plateau pulls ITCZ Northwards.
3. Shifting of Westerly jet streams to the North of Tibetan plateauat the end of the month of
May.
Choose the correct code from the following

1, 2 only. 2, 3 only. 1, 3 only. All of the above.

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24. The frequency of the cyclones is lower in arabian sea when compared to Bay of Bengal. This is because
1. arabian sea surface temperature is higher compared to that of Bay of Bengal.
2. Bay of Bengal receives the remnants of the typhoons originated in Northwestern Pacific
ocean.
3. arabian sea receives the remnants of cyclones from Bay of Bengal.
Choose the correct code from the following

1, 2 only. 1, 3 only. 2, 3 only. All the above.

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25. Consider the following statements regarding tropical cyclone which is one of the important determining factors for the success of Indian monsoons.
1. These are termed as the heat engines, which derive their energy from the condensation of
water vapor into water droplets/drops.
2. More than 50% of the energy derived is utilized to sustain the wind movement around the
central eye.
3. A mature cyclone releases energy equivalent to that of 100 hydrogen bombs.
Which of the following statements are NOT true

1, 2only. 1, 3only. 2 only. None of the above.

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26. Coal bed methane is released during coal mining and is generally recommended to extract it rather than letting it evaporate into the atmosphere when untapped because
1. CBM if is not extracted can cause fire hazards while mining deep areas.
2. CBM if allowed to escape into atmosphere, will get converted into carbon monoxide
which is a potent green house gas.
Which of the statements is/are the correct reason/s?

1 only. 2 only. Neither 1 nor 2. Both 1 and 2.

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27. Consider the following statements regarding the production and reserves of copper in India.
1. Rajasthan has the largest reserves of copper and is also the highest producer of copper in
India.
2. India is self sufficient in copper production and also at times it has also exportedcopper to
countries like Japan, South Korea etc.
3. Production of copper is a tedious job especially in India as the copper ore found in India as it
is of the lower grade compared to International grade of the ore.
Which are the correct statements?

1 only. 1, 3 only. 2, 3 only. 3 only.

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28. Consider the following statements regarding biogas which is a very important source of energy in rural areas.
1. Biogas has a higher thermal efficiency compared to charcoal, cow dung, kerosene.
2. Not only biogas serves as a source of energy in the form of fuel but also can be used as
source of manure for farm crops.
3. It is slightly less environment friendly as it releases green house gases when burnt as a fuel.
Choose the incorrect code from the following

1, 2 only. 2, 3 only. 3 only. None of the above.

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29. Consider the following statements which describe the properties of a particular metal
1. It as a valuable metal of which the major ore is Wolfram.
2. It is self hardening which it imparts to the steel when alloyed with the steel.
3. Steel when alloyed with this metal, is used in manufacturing of ammunitions, armour plates,
heavy guns etc.
4. Its alloys are heat resistant, corrosion resistant and hardfacing.
Choose the correct metal from the options

Tungsten Chromium Copper Titanium

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30. Consider the following statements regarding the atomic minerals.
1. Uranium occurs both in the earths crust as well as sea water.
2. India has one of the richest reserves of thorium in the world.
3. US have the highest reserves of uranium in the world.
Which of the above statements are correct?

1 only. 1, 2 only. 2, 3 only. All the above.

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