Major Minerals — Set 6
Geography · प्रमुख खनिज · Questions 51–60 of 60
Which mineral is extracted from the Monazite sands of Kerala?
Correct Answer: C. Thorium
The beach sands of Kerala are rich in Monazite, which is a major source of Thorium. Thorium is a radioactive element that can be used in nuclear reactors. India has one of the world's largest deposits of Thorium.
Which state is the leading producer of Magnesite in India?
Correct Answer: D. Tamil Nadu
Tamil Nadu is a significant producer of magnesite, with major deposits in the Salem region. Magnesite is used in the manufacture of refractory bricks for steel furnaces. It is also used in chemical and fertilizer industries.
The Jharia coalfield, famous for its coking coal, is located in?
Correct Answer: B. Jharkhand
Jharia is the most important coalfield in India, located in the Dhanbad district of Jharkhand. it is the primary source of high-grade coking coal used in steel plants. Unfortunately, it is also known for its long-standing underground coal fires.
Which mineral is used to provide hardness to steel during the manufacturing process?
Correct Answer: B. Manganese
Manganese is an essential alloying element in steel production. It removes impurities like oxygen and sulfur while increasing the strength and hardness of the metal. About 10 kg of manganese is required to manufacture one tonne of steel.
The offshore oil field 'Bassein' is located south of which major city?
Correct Answer: A. Mumbai
Bassein is a major offshore gas and oil field located in the Arabian Sea, south of Mumbai. It is one of the largest gas fields in the country. It helps meet India's growing demand for natural gas.
Singbhum district of Jharkhand is particularly famous for which mineral that forms the backbone of the Iron Ore Series of the Chota Nagpur plateau?
Correct Answer: C. Iron Ore
Singbhum district in Jharkhand is most famous for its rich deposits of iron ore, which form the backbone of the Iron Ore Series of the Chota Nagpur plateau. The region supports major steel plants in Jamshedpur and surrounding areas. While Singbhum also has copper and some gold deposits, iron ore is its primary and most economically significant mineral resource. Jharkhand as a whole is one of the most mineral-rich states in India, contributing significantly to the country's steel production.
Which mineral is the softest among the following and used in making talcum powder?
Correct Answer: B. Talc
Talc is the softest known mineral on the Mohs scale. It is widely used in cosmetics, lubricants, and paper manufacturing. In its powdered form, it is the main ingredient in talcum powder.
The Hutti Gold Mines are situated in which state?
Correct Answer: A. Karnataka
Hutti Gold Mines are located in the Raichur district of Karnataka. It is currently the only operational gold mine in India. Gold is extracted from underground reef deposits.
Which state has the largest reserves of Copper in India?
Correct Answer: B. Rajasthan
While Madhya Pradesh is the leading producer, Rajasthan holds the largest estimated reserves of copper ore. The Khetri-Singhana belt is the most prominent copper-bearing region in the state. Reserves are essential for planning long-term mineral security.
Which of the following is a Tertiary coalfield in India?
Correct Answer: B. Makum
Makum in Assam is a Tertiary coalfield, which means it is younger than the Gondwana coalfields. Tertiary coal is found in the northeastern states like Assam and Meghalaya. It generally has a higher sulfur content compared to Gondwana coal.