The most important coal field in India is:
Answer: A
Jharia is India's most important coalfield.
It lies in Dhanbad district of Jharkhand and holds almost all the country's prime coking coal, which is why the steel plants depend on it. Underground fires have burned there since 1916 and have consumed a large part of the reserve.
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The Sonapani glacier is the longest glacier of:
Answer: B
Sonapani is the longest glacier of the Pir Panjal range.
The Pir Panjal is the greatest of the lesser Himalayan ranges, separating the Kashmir valley from the plains, and Sonapani lies in the Lahaul portion of it.
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The crust and the upper-most part of the mantle up to a depth of 200 km from the surface of the earth is called:
Answer: C
This is the lithosphere.
It comprises the crust and the rigid uppermost mantle, down to roughly 100–200 km, and is broken into the tectonic plates. Below it the asthenosphere is weak enough to flow, which is what allows the plates to move. The cryosphere, by contrast, is the earth's frozen water.
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Which of the following is the largest fort in India?
Answer: A
Chittorgarh is the largest fort in India.
It covers about 280 hectares on a hill in Rajasthan and was the capital of Mewar. Three jauhars were performed there, the first in 1303 when Alauddin Khalji besieged it. It is a UNESCO World Heritage site.
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The largest producer of diamond In India is:
Answer: A
Madhya Pradesh is India's only diamond producer.
The Panna belt in the north of the state holds the country's only working diamond mines, and Majhgawan is the principal one. Indian output is small; the Golconda diamonds of legend, including the Koh-i-Noor, came from alluvial workings near the Krishna.
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The oldest mountains in India are
Answer: A
The Aravallis are India's oldest mountains.
They are Precambrian fold mountains, some 670 million years old, and once stood far higher; what remains is the worn stump of a range reduced by erosion. Guru Shikhar on Mount Abu, at 1,722 m, is the highest point left.
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Which of the following groups of rivers originate from the Himachal mountains?
Answer: A
Beas, Ravi and Chenab rise in the Himachal mountains.
The Beas rises at Rohtang, the Ravi in the Bara Bhangal, and the Chenab at Bara Lacha as the Chandra and Bhaga. The Sutlej and Indus, by contrast, rise in Tibet and cut across the range.
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The headquarters of International Astronomical Union (IAU) is located in:
Answer: D
The International Astronomical Union is headquartered in Paris.
Founded in 1919, it is the body that names astronomical objects and defines their categories - it was the IAU that reclassified Pluto as a dwarf planet in 2006.
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The Ankleshwar oil field is located in
Answer: A
Ankleshwar is in Gujarat.
The field, in Bharuch district, was discovered in 1960 and was one of the first major finds by the Oil and Natural Gas Commission after independence. Its crude goes to the refinery at Koyali.
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The line at which a day is lost or gained is called:
Answer: D
It is the International Date Line.
It runs roughly along the 180° meridian, deviating to keep island groups and countries on one side. Crossing it westward you add a day; crossing eastward you subtract one - without which a traveller circling the globe would return a day out.
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