General Awareness ยท Geography
Minerals and Ores
1,185 Questions
Minerals and ores encompass the extraction, identification, and economic significance of naturally occurring crystalline substances. Topics cover specific ores like cinnabar and bauxite, alongside global mineral resource distribution. Candidates preparing for general awareness and geography sections should review these questions to master regional and global mineral reserves.
Ore identificationMineral extractionGlobal mineral reservesIndustrial minerals
Minerals and Ores Questions
What is the most abundant element in the Earth's crust?
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Oxygen
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Silicon
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Aluminum
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Iron
A
Correct answer
Explanation
Oxygen is the most abundant element in the Earth's crust, making up about 46% of its mass.
Which of the following gemstones was commonly used in Chola jewelry?
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Ruby
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Emerald
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Sapphire
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All of the above
D
Correct answer
Explanation
Ruby, emerald, and sapphire were commonly used gemstones in Chola jewelry, prized for their color, rarity, and association with divine powers.
What was the primary source of iron ore for ancient Indian metalworkers?
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Hematite
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Magnetite
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Limonite
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Pyrite
A
Correct answer
Explanation
Hematite was the primary source of iron ore for ancient Indian metalworkers due to its high iron content and widespread availability.
Which of the following is a major mineral resource found in India?
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Coal
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Iron ore
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Copper
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Gold
B
Correct answer
Explanation
India is one of the largest producers of iron ore in the world, with major deposits found in the states of Odisha, Jharkhand, and Chhattisgarh.
Which of the following is NOT a type of mineral resource?
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Gold
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Silver
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Copper
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Petroleum
D
Correct answer
Explanation
Petroleum is a fossil fuel, not a mineral resource. Mineral resources are naturally occurring solid, liquid, or gaseous substances that can be extracted from the Earth.
Which of the following is NOT a type of natural resource?
D
Correct answer
Explanation
Air is not a natural resource because it is not a substance that can be extracted from the Earth.
Which state is the leading producer of magnesite in India?
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Rajasthan
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Uttarakhand
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Karnataka
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Tamil Nadu
B
Correct answer
Explanation
Uttarakhand is the leading producer of magnesite in India, accounting for about 80% of the country's total production.
Which state is the leading producer of chromite in India?
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Odisha
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Karnataka
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Maharashtra
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Andhra Pradesh
A
Correct answer
Explanation
Odisha is the leading producer of chromite in India, accounting for about 90% of the country's total production.
What was the primary source of iron ore in ancient India?
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Hematite
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Magnetite
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Limonite
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Siderite
B
Correct answer
Explanation
Magnetite was the primary source of iron ore in ancient India due to its high iron content and widespread availability.
What is the primary mineral resource found in the Kolar Gold Fields in India?
A
Correct answer
Explanation
The Kolar Gold Fields in India are known for their gold deposits, making them a significant source of gold production in the country.
What is the major mineral resource extracted from the Kudremukh Iron Ore Company Limited (KIOCL) in India?
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Iron ore
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Manganese ore
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Copper ore
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Bauxite
A
Correct answer
Explanation
The Kudremukh Iron Ore Company Limited (KIOCL) in India is primarily involved in the extraction and processing of iron ore, making it a major producer of iron ore in the country.
What is the primary component of tailings?
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Waste rock.
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Ore.
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Processing chemicals.
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All of the above.
A
Correct answer
Explanation
Tailings are primarily composed of waste rock, which is the material that is removed from the ore during mining and processing.
Which of the following is not a type of natural resource?
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Minerals
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Metals
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Fossil fuels
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Organic resources
D
Correct answer
Explanation
Organic resources are not a type of natural resource. They are formed from the remains of living organisms.
Which mineral is known for its cubic shape and perfect cleavage?
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Halite
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Galena
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Pyrite
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Diamond
A
Correct answer
Explanation
Halite, also known as rock salt, is a mineral that commonly forms cubic crystals with perfect cleavage, meaning it breaks along smooth, flat surfaces.
What is the primary ore of aluminum?
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Bauxite
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Hematite
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Magnetite
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Cassiterite
A
Correct answer
Explanation
Bauxite is the primary ore of aluminum. It is a sedimentary rock composed of hydrated aluminum oxides and hydroxides.