Minerals of Rajasthan: Metallic and Non-Metallic: RAS Prelims MCQs
56 RAS Prelims MCQs on the minerals of Rajasthan test which mineral comes from which district and why it matters. Makrana marble, Khetri copper, Zawar zinc, Jamsar gypsum, rock phosphate and sandstone are asked as pairs, sequences and statements, and the explanations give the mineral’s use.
Practice questions based on the RPSC RAS Prelims syllabus. They follow the exam pattern but are not past-paper questions.
Showing 11–20 of 56 questions
RAS PrelimsRajasthan Geography · Minerals of Rajasthan: Metallic and Non-Metallic
Q11. Read the given statements and select the correct answer from the options provided: Statement I: Bhilwara and Ajmer are the principal mica-producing districts in Rajasthan. Statement II: Mica from Rajasthan is primarily utilized in the electrical and electronics industry due to its excellent insulating properties.
Explanation
Bhilwara and Ajmer are the leading districts for mica production in Rajasthan, often referred to as the mica belt. Mica is highly valued for its excellent insulating properties and high thermal resistance. These characteristics make it an indispensable material in the electrical and electronics industry, where it is used to manufacture capacitors, insulators, and other specialized components.
RAS PrelimsRajasthan Geography · Minerals of Rajasthan: Metallic and Non-Metallic
Q12. The red sandstone heavily utilized in the construction of historically and politically significant monuments like the Red Fort and the Parliament House of India is predominantly extracted from which districts of Rajasthan?
Explanation
The red and pink sandstone used in historic buildings like the Red Fort and the Parliament House is primarily extracted from Dholpur and Bharatpur districts. This sedimentary rock is prized for its uniform texture, durability, and ease of carving. Rajasthan’s sandstone industry provides essential building materials for national monuments, showcasing the state’s significant contribution to India’s architectural heritage.
RAS PrelimsRajasthan Geography · Minerals of Rajasthan: Metallic and Non-Metallic
Q13. Identify the odd one out concerning the major districts known for significant mica deposits and mica-brick manufacturing in Rajasthan:
Explanation
Bhilwara, Ajmer, and Tonk are well-known for their mica deposits, forming the principal mica-producing belt of Rajasthan. Bhilwara is especially famous for its mica-brick manufacturing industry. Jaisalmer, located in the western desert, is primarily known for limestone, gypsum, and hydrocarbons, but does not possess significant commercial mica deposits, making it the odd one out in this context.
RAS PrelimsRajasthan Geography · Minerals of Rajasthan: Metallic and Non-Metallic
Q14. Consider the following statements regarding Granite distribution in Rajasthan: I. Granite is an intrusive igneous rock widely distributed across multiple districts of Rajasthan. II. Jalore is famously recognized as the ‘Granite City’ of Rajasthan. III. The granite industry in Rajasthan is exclusively limited to the production of black granite. IV. Granite mining involves modern mechanized wire-saw techniques to extract large blocks. V. Barmer and Sirohi are also notable districts for diverse granite deposits. Which of the above statement(s) is/are correct?
Explanation
Granite is an intrusive igneous rock found in various colors across Rajasthan, including pink, red, and black. Jalore is known as the ‘Granite City’ due to its massive production capacity. Modern techniques like wire-sawing are used for extraction in Barmer and Sirohi. The industry is diverse and not limited exclusively to black granite, making the third statement incorrect.
RAS PrelimsRajasthan Geography · Minerals of Rajasthan: Metallic and Non-Metallic
Q15. Which of the following statements concerning Limestone deposits in Rajasthan is correct?
Explanation
The Sanu area in Jaisalmer is famous for producing high-grade steel melting shop (SMS) limestone, which is essential for the steel industry. Limestone is actually abundant in several western districts, and it is a non-metallic sedimentary rock, not a metallic ore. Rajasthan is a leading producer of limestone, supplying both its domestic cement industry and other states.
RAS PrelimsRajasthan Geography · Minerals of Rajasthan: Metallic and Non-Metallic
Q16. The Jamsar mine, historically recognized as one of the largest deposits of its kind in India, is famous for the extraction of which mineral?
Explanation
The Jamsar mine in Bikaner district is historically one of the largest and most significant gypsum deposits in India. It has been a major source of gypsum for decades, supporting the agricultural sector for soil reclamation and the construction industry for manufacturing plaster and cement. The geological formations in the Bikaner basin facilitate the occurrence of these extensive deposits.
RAS PrelimsRajasthan Geography · Minerals of Rajasthan: Metallic and Non-Metallic
Q17. What is the primary environmental cause-and-effect relationship associated with unscientific and illegal mining operations in the Aravalli hills?
Explanation
Unscientific and illegal mining in the Aravalli hills has led to severe environmental degradation. The removal of vegetation and topsoil causes massive deforestation and loss of biodiversity. Furthermore, these operations disrupt natural drainage patterns and increase soil erosion. This ecological damage threatens the hills’ role as a natural barrier against desertification and affects the overall environmental stability of regions.
RAS PrelimsRajasthan Geography · Minerals of Rajasthan: Metallic and Non-Metallic
Q18. Match the items in List I with those in List II and select the correct answer using the options provided:
Grade of Limestone
Prominent Region/District
A. Steel Grade (SMS)
i. Sanu (Jaisalmer)
B. Chemical Grade
ii. Gotan (Nagaur)
C. Cement Grade
iii. Nimbahera (Chittorgarh)
D. Yellow Limestone (Decorative)
iv. Jaisalmer City region
Explanation
Sanu in Jaisalmer is the primary source for high-grade steel melting shop (SMS) limestone. Gotan in Nagaur is famous for high-purity chemical-grade limestone used in various industrial processes. Nimbahera in Chittorgarh is a major center for cement-grade limestone. The Jaisalmer city region is known for its beautiful yellow decorative limestone, frequently used in local and historical architecture.
RAS PrelimsRajasthan Geography · Minerals of Rajasthan: Metallic and Non-Metallic
Q19. What is the most appropriate central focus of the Rajasthan Mineral Policy concerning the socioeconomic conditions of mine workers?
Explanation
A central focus of the Rajasthan Mineral Policy is the welfare of mine workers, particularly ensuring their occupational health and safety. The policy emphasizes mitigating the risks of respiratory diseases like silicosis, which is common in stone carving and mining. It aims to improve working conditions and provide medical support, recognizing the socioeconomic importance of the mining labor force.
RAS PrelimsRajasthan Geography · Minerals of Rajasthan: Metallic and Non-Metallic
Q20. The Degana mines in the Nagaur district are geographically associated with which specific hill feature known for tungsten deposits?
Explanation
The tungsten deposits in the Degana area of Nagaur district are geographically located on Rewat Hill.
Answer key for these questions
Q
Correct answer
11
(a) Both Statement I and Statement II are correct
12
(d) Dholpur and Bharatpur
13
(b) Jaisalmer
14
(b) I, II, IV and V only
15
(d) Sanu area in Jaisalmer is renowned for producing high-grade steel melting shop (SMS) limestone
16
(a) Gypsum
17
(b) It causes severe deforestation, biodiversity loss, and disruption of natural drainage
18
(a) A-i, B-ii, C-iii, D-iv
19
(c) Ensuring occupational health and safety while mitigating diseases like silicosis for workers
20
(d) Rewat Hill
Key facts from Minerals of Rajasthan: Metallic and Non-Metallic
Makrana in Nagaur supplied the white marble of the Taj Mahal and the Victoria Memorial.
Red sandstone for famous buildings comes from Dholpur and Bharatpur.
Jamsar is a large gypsum deposit; Bikaner has the largest gypsum deposits.
The Degana mines in Nagaur are on Rewat Hill; rock phosphate is mined at Jhamarkotra (Udaipur) and Birmania and Fatehgarh (Jaisalmer).
Copper: Khetri-Singhana in Jhunjhunu, Kho-Dariba in Alwar, Pur-Dariba in Bhilwara, Bhagot-ka-Bas in Sikar.
From north to south, mining centres run Khetri, Rampura-Agucha, Rajpura-Dariba and Zawar.
Frequently asked questions
How many RAS Prelims practice MCQs are there on Minerals of Rajasthan: Metallic and Non-Metallic?
This page has 56 practice MCQs on Minerals of Rajasthan: Metallic and Non-Metallic (Rajasthan Geography). Each has the correct answer, and most have an explanation.
Where did the Taj Mahal’s marble come from?
From Makrana in the Nagaur district of Rajasthan. Makrana marble is white and fine-grained, and it was also used for the Victoria Memorial in Kolkata, and Makrana is still a major centre of the marble trade.
Where is rock phosphate mined in Rajasthan?
At Jhamarkotra in Udaipur district, the largest deposit in India, and at Birmania and Fatehgarh in Jaisalmer. It is used to make phosphatic fertilisers like SSP and DAP.
What is Jamsar known for?
Jamsar, near Bikaner, is a large gypsum mine. Gypsum is used in cement, plaster and as a soil amendment to reclaim alkaline and saline land, and Rajasthan dominates India’s gypsum production.
