The drainage originating in the Himalayan mountain complex consists of how many distinct drainage systems of the Indian subcontinent?
Answer: B
There are three distinct Himalayan drainage systems.
They are the Indus, the Ganga and the Brahmaputra. All three rise in or near Tibet, and together they drain the whole northern plain, carrying the silt that makes it the most fertile region in the country.
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The Richter scale on which intensity/ magnitude of a quake is measured was developed in:
Answer: C
The Richter scale was developed in 1935.
Charles Richter devised it at the California Institute of Technology with Beno Gutenberg. It is logarithmic: each whole number is a tenfold increase in wave amplitude and about thirty-two times the energy.
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Monpa, Daffla , Abor, Mishmi , Nishi and Nagas are the prominent tribal communities found in:
Answer: D
They are found in Arunachal Pradesh.
The state has the largest number of recognised tribes in India, some twenty-six major ones. The Monpa are Buddhists of Tawang; the Nishi are the most numerous; and the Adi, Mishmi and Naga groups occupy the eastern districts.
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Saar is a famous field in:
Answer: D
The Saar is in Germany.
The Saar basin in the south-west, near the French border, is a major coalfield and was long the heart of German iron and steel. Its ownership was disputed between France and Germany through much of the twentieth century.
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Which is the largest island of India?
Answer: B
Correct answer: Middle Andaman
Middle Andaman is the largest island of India by area, part of the Andaman group in the Bay of Bengal. The Andaman and Nicobar Islands form a chain of over five hundred islands, of which only a few dozen are inhabited. They are the exposed peaks of a submarine mountain range continuing the Arakan Yoma of Myanmar, and they lie closer to Indonesia and Thailand than to the Indian mainland. Great Nicobar is the southernmost and carries Indira Point, the southernmost point of India. Majuli in the Brahmaputra is the largest river island in India and among the largest in the world, though it has shrunk greatly through erosion; it became the first island to be constituted a district in 2016. India’s other island group is Lakshadweep in the Arabian Sea, made of coral atolls and reefs rather than of rock, and the smallest union territory by area.
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Which of the following has a potential for harnessing of tidal energy in India?
Answer: A
The Gulf of Cambay has the best tidal potential.
Its funnel shape amplifies the tide to a range of about 11 m, among the highest in the world; the Gulf of Kutch and the Sunderbans follow. Tidal power needs a large range within a narrow basin, which the other options do not offer.
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Valley of Flowers National Park is found on the mountain of-
Answer: A
The Valley of Flowers lies on Nanda Devi.
It is in Chamoli district of Uttarakhand, in the Nanda Devi Biosphere Reserve, and was inscribed as a UNESCO World Heritage site in 1988. The alpine meadow blooms between July and September; the botanist Frank Smythe stumbled on it in 1931.
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Dharan, Abquiq , Quatif, Ain Dar, Ghawar and Safanija are the chief oil fields (petroleum regions) located in:
Answer: D
They are in Saudi Arabia.
Ghawar, discovered in 1948, is the largest conventional oil field in the world, and Safaniya the largest offshore. Dhahran is the headquarters of Saudi Aramco, and Abqaiq is the site of the world's biggest crude processing plant.
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Which of the following groups of states has the largest deposits of iron ore?
Answer: B
Bihar and Orissa hold the largest iron ore deposits.
The Singhbhum-Keonjhar-Mayurbhanj belt, which straddles the two, holds high-grade haematite and feeds the steel plants of Jamshedpur, Bokaro and Rourkela. Since 2000 the Bihar portion lies in Jharkhand.
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Which of the following crops needs maximum water per hectare?
Answer: C
Sugarcane needs the most water per hectare.
It requires roughly 1,500 to 2,500 mm over a growing season of ten to eighteen months, several times what wheat or barley need. This is why sugarcane in the water-scarce parts of Maharashtra and Karnataka is so contentious.
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