Question 1

Which of the following minerals is India the world's largest producer of?

Accepted Answer

India is the world's largest producer of mica. The country accounts for approximately 70% of global mica production, with major reserves in Jharkhand, Andhra Pradesh, and Rajasthan.

Question 2

Which country is the world's largest producer of diamonds?

Accepted Answer

Russia is the world's largest producer of diamonds by volume, accounting for approximately 30% of global diamond production. Major diamond mining occurs in Siberia, particularly in the Yakutia region. However, Botswana leads in diamond production by value.

Question 3

Which of the following is the most abundant mineral resource found in India?

Accepted Answer

Coal is the most abundant mineral resource in India by quantity. India has proven coal reserves of approximately 300+ billion tonnes, making it the world's fourth-largest coal reserve holder. Major coalfields are located in Chhattisgarh, Odisha, and Jharkhand.

Question 4

India ranks second globally in the production of which mineral?

Accepted Answer

India ranks second globally in bauxite production after Australia. India produces approximately 25-30 million tonnes of bauxite annually, with major deposits in Odisha, Jharkhand, Gujarat, and Maharashtra. Bauxite is the primary ore of aluminum.

Question 5

Which state in India has the largest reserves of iron ore?

Accepted Answer

Odisha (formerly Orissa) has the largest iron ore reserves in India, accounting for approximately 50% of the country's total iron ore reserves. Major mining areas include Keonjhar, Sundargarh, and Mayurbhanj districts.

Question 6

Which of the following minerals is India the world's largest producer of?

Accepted Answer

India is the world's largest producer of mica. India produces approximately 60-70% of the world's mica, with major deposits found in Jharkhand, Andhra Pradesh, and Rajasthan. Mica is used in electrical insulation, cosmetics, and paint industries.

Question 7

Which of the following is a non-metallic mineral found abundantly in India?

Accepted Answer

Limestone is a non-metallic mineral found abundantly in India. India has vast limestone reserves estimated at over 150 billion tonnes, primarily located in Odisha, Chhattisgarh, Andhra Pradesh, and Rajasthan. Limestone is used in cement, steel, and chemical industries.

Question 8

Which of the following is the primary source of natural gas in India?

Accepted Answer

The Krishna-Godavari (KG) Basin in the Bay of Bengal is the primary source of natural gas in India. It accounts for the majority of India's offshore natural gas production, with major fields like Reliance's D1-D3 fields.

Question 9

Which of the following minerals is primarily used in the production of cement?

Accepted Answer

Limestone is the primary mineral used in cement production. Limestone (calcium carbonate) is the main raw material, accounting for 75-80% of cement composition. India has abundant limestone reserves, particularly in Rajasthan, Chhattisgarh, and Andhra Pradesh.

Question 10

Monazite, a mineral rich in rare earth elements, is primarily found in which Indian state?

Accepted Answer

Kerala is the primary source of monazite in India. The mineral is found in the beach sands of Kerala, particularly along the coasts of Thiruvananthapuram and Kollam districts. India's Atomic Minerals Directorate operates monazite mining operations in Kerala.

Question 11

Which of the following minerals is India the world's largest producer of, as of 2024?

Accepted Answer

India is the world's largest producer of mica. India produces approximately 70% of the world's mica, with major reserves and production centers in Jharkhand, Andhra Pradesh, and Rajasthan. Mica is a silicate mineral used in electrical insulation, cosmetics, and paint industries.

Question 12

The Kolar Gold Fields, historically significant for gold mining, are located in which Indian state?

Accepted Answer

The Kolar Gold Fields are located in Karnataka (formerly Mysore State). These mines, among the deepest in the world at their peak, were worked extensively during the British period and remain historically important despite reduced current production.

Question 13

Which country is the world's largest producer of diamonds by volume?

Accepted Answer

Russia is the world's largest diamond producer by volume, accounting for approximately 28-30% of global production. Major mining operations occur in Siberia, particularly in the Yakutia region. However, Botswana leads in terms of diamond value and quality.

Question 14

Bauxite, the primary ore of aluminium, is predominantly mined in which Indian state?

Accepted Answer

Odisha is the leading bauxite producer in India, followed by Jharkhand and Chhattisgarh. Major bauxite deposits are found in the Kalahandi, Koraput, and Rayagada districts of Odisha.

Question 15

Which mineral is India's largest reserve of, and is primarily extracted from Rajasthan?

Accepted Answer

Gypsum is the mineral for which India has the world's largest reserves, with Rajasthan accounting for over 95% of national production. Major deposits are found in Jodhpur and Bikaner districts.

Question 16

Bauxite, the primary ore of aluminium, is most abundantly found in which Indian state?

Accepted Answer

Odisha is India's leading bauxite producer, with major deposits in the Kalahandi, Rayagada, and Koraput districts. The state accounts for approximately 60% of India's bauxite reserves and production. These deposits are associated with laterite formations in the Eastern Ghats plateau region.

Question 17

Which country is the world's largest producer of rare earth elements (REEs)?

Accepted Answer

China is the world's dominant producer of rare earth elements, accounting for approximately 70% of global production as of 2023-2024. China's dominance is due to abundant reserves in the Baiyun Obo mine and advanced processing infrastructure.

Question 18

India's largest deposits of bauxite (aluminium ore) are primarily found in which state?

Accepted Answer

Odisha possesses India's largest bauxite reserves, concentrated in the Eastern Ghats region, particularly in Koraput and Kalahandi districts. These reserves account for over 50% of India's total bauxite resources and are among the world's largest.

Question 19

Which mineral is primarily mined in the Kolar Gold Fields region of India?

Accepted Answer

The Kolar Gold Fields in Karnataka are historically significant for gold mining. Though mining operations have ceased, this region was one of India's most important gold-producing areas and represents the deepest gold mines in the world at their operational peak.

Question 20

India's largest reserves of copper ore are primarily located in which state?

Accepted Answer

Rajasthan holds India's largest copper ore reserves, with major deposits in the Khetri region of Jhunjhunu district. The state accounts for approximately 50% of India's copper reserves. Singhbhum district in Jharkhand is also significant but Rajasthan's reserves are larger.

RRB Ministerial & Isolated Minerals & Resources

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60-Second Revision — Minerals & Resources