Q161. In which year was the Mukundra Hills region officially declared as a Tiger Reserve by the Government of India?
Rajasthan Geography: RAS Prelims MCQs
529 RAS Prelims practice MCQs on the geography of Rajasthan are on this page, in 13 chapters. They cover location, extent and physiography, rivers and lakes, climate, natural vegetation and wildlife, soils, agriculture, livestock, irrigation, minerals, population, urbanisation, tribes and tourism. Each question has an answer and an explanation, in the formats the exam uses.
Practice questions based on the RPSC RAS Prelims syllabus. They follow the exam pattern but are not past-paper questions.
Showing 161–170 of 529 questions
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Q162. What was the most appropriate and defining success factor of the Sariska tiger relocation programme initiated in 2008?
Explanation
The Sariska tiger relocation programme, which began in 2008, was a major global conservation milestone. It marked the first time in the world that tigers were successfully relocated to a reserve where the species had become locally extinct. The project involved moving tigers from Ranthambore to Sariska using helicopters and intensive monitoring, proving that restoration of apex predators in lost habitats is possible.
Q163. Which of the following is the most dominant factor influencing the formation of soils in the western region of Rajasthan?
Explanation
In the arid western plains of Rajasthan, the prevailing extreme climatic conditions, characterized by high temperatures and scanty rainfall, act as the most dominant factor in soil formation. These conditions facilitate intense physical weathering and minimize organic accumulation. Consequently, the resulting soils are predominantly sandy with poor profile development and low fertility levels throughout the entire desert region.
Q164. Consider the following statements regarding soil formation in Rajasthan:
Statement I: The parent rock in the Hadoti plateau region is primarily basaltic.
Statement II: The weathering of this basaltic rock has led to the formation of widespread sandy desert soils.
Which of the following statement(s) is/are correct?
Statement I: The parent rock in the Hadoti plateau region is primarily basaltic.
Statement II: The weathering of this basaltic rock has led to the formation of widespread sandy desert soils.
Which of the following statement(s) is/are correct?
Explanation
The Hadoti plateau region is geologically defined by basaltic parent rock originating from ancient volcanic activity. While the weathering of this basalt creates deep, fertile black soils known for their clayey texture, it does not produce sandy desert soils. Sandy soils are instead characteristic of the western arid regions where aeolian processes and different parent materials dominate the landscape.
Q165. Consider the following factors of soil formation:
I. Climate
II. Topography
III. Time
Which combination of the above represents the passive factors of soil formation in Rajasthan?
I. Climate
II. Topography
III. Time
Which combination of the above represents the passive factors of soil formation in Rajasthan?
Explanation
Soil formation involves both active and passive factors. In the context of Rajasthan, topography and time are considered passive factors because they provide the physical framework and duration for pedogenesis without providing energy. In contrast, climate and biological organisms are active factors. Topography influences water runoff and erosion, while time determines the overall maturity and development of soil horizons.
Q166. Given below are two statements, one labelled as
Assertion (A) and the other labelled as Reason (R):
Assertion (A): The soils found on the slopes of the Aravalli ranges are generally shallow and stony.
Reason (R): The high slope gradient accelerates the removal of weathered rock materials through water erosion. In the context of the above statements, which one of the following is correct?
Assertion (A) and the other labelled as Reason (R):
Assertion (A): The soils found on the slopes of the Aravalli ranges are generally shallow and stony.
Reason (R): The high slope gradient accelerates the removal of weathered rock materials through water erosion. In the context of the above statements, which one of the following is correct?
Explanation
The Aravalli ranges feature steep gradients that significantly influence soil characteristics. High slopes accelerate the velocity of surface runoff during rains, leading to the rapid removal of weathered materials. This continuous water erosion prevents the accumulation of deep soil layers, resulting in the presence of shallow, stony, and skeletal soils that are typically found throughout these prominent hilly terrains.
Q167. Match the comprehensive soil orders of the USDA classification (List I) with their predominantly associated regions in Rajasthan (List II):
| Soil Orders | Associated Regions |
|---|---|
| A. Aridisols | i. Hadoti Plateau |
| B. Alfisols | ii. Eastern Plains |
| C. Vertisols | iii. Western Desert |
| D. Inceptisols | iv. Flanks of the Aravallis |
Explanation
The USDA soil taxonomy classifies Rajasthan’s diverse pedological landscape into specific orders. Aridisols are characteristic of the western desert’s dry climate, while Alfisols dominate the mature eastern plains. Vertisols, known for high clay content, are found in the south-eastern Hadoti plateau. Inceptisols, representing soils with minimal development, are frequently observed along the flanks and slopes of the Aravalli range.
Q168. Consider the following statements regarding Aridisols in Rajasthan:
I. They possess very low organic matter content.
II. They are primarily found in the districts of Kota and Bundi.
III. They frequently feature a calcic horizon at some depth.
IV. They are characterized by a coarse texture and high permeability.
Which combination of the above statements is correct?
I. They possess very low organic matter content.
II. They are primarily found in the districts of Kota and Bundi.
III. They frequently feature a calcic horizon at some depth.
IV. They are characterized by a coarse texture and high permeability.
Which combination of the above statements is correct?
Explanation
Aridisols are the dominant soil order in the arid regions of Rajasthan, characterized by a lack of moisture and very low organic matter. They often feature a calcic horizon at varying depths due to the accumulation of carbonates. These soils typically have a coarse, sandy texture and high permeability, allowing water to drain quickly without developing deep or mature profiles.
Q169. According to the comprehensive USDA soil taxonomy, which soil order occupies the largest geographical area in Rajasthan?
Explanation
In the comprehensive USDA soil taxonomy applied to Rajasthan, Entisols occupy the largest geographical area across the state. These are youthful soils with little to no evidence of horizon development. They are predominantly found in the vast western sandy plains where active wind deposition and shifting sand dunes prevent the formation of mature, well-defined soil layers within the profile.
Q170. Which of the following pairs of soil type and its prominent occurrence district is correctly matched?
Explanation
Deep black soil is found in Jhalawar in the south-east. The other pairs are wrong: desert sandy soil is found in Jaisalmer and Barmer, not Banswara.Answer key for these questions
| Q | Correct answer |
|---|---|
| 161 | (c) 2013 |
| 162 | (a) It was the world’s first successful relocation of tigers where they were extinct. |
| 163 | (b) Prevailing extreme climatic conditions |
| 164 | (c) Statement I is correct but Statement II is incorrect |
| 165 | (b) II and III only |
| 166 | (a) Both A and R are true and R is the correct explanation of A. |
| 167 | (a) A-iii, B-ii, C-i, D-iv |
| 168 | (b) I, III, and IV |
| 169 | (a) Entisols |
| 170 | (c) Deep Black Soil - Jhalawar |
Key facts from Rajasthan Geography
- The RPSC syllabus lists Rajasthan’s location, extent and physiography, rivers and lakes, climate, vegetation, biodiversity, soils, agriculture, livestock, irrigation, population, urbanisation and tribes.
- Many questions ask for a number or a name: the area of the State, a district’s density, the length of a canal, the home district of a mine.
- Rajasthan is the biggest State of India by area, and several chapters test the contrast between the arid west and the humid south-east.
- Minerals, irrigation and wildlife are the chapters with the most name-based questions, so keep a list of districts and projects.
- Population questions use Census 2011 figures.
Frequently asked questions
How many RAS Prelims practice MCQs are there on Rajasthan Geography?
This page has 529 practice MCQs on Rajasthan Geography. Each has the correct answer, and most have an explanation.
Which chapters does the Rajasthan geography set cover?
Thirteen chapters: location, extent and physiography; rivers and lakes; climate; natural vegetation, biodiversity and conservation; soils; agriculture; livestock and animal husbandry; irrigation; minerals; population; urbanisation; tribes; and tourism.
Is Rajasthan geography in the RAS Prelims syllabus?
Yes. RPSC lists Geography of Rajasthan as a separate part of the syllabus, including location, rivers, climate, vegetation, soil, agriculture, livestock, irrigation, population, urbanisation and tribes, after the world and India sections.
How can I prepare Rajasthan geography quickly?
Keep a Rajasthan map and mark every river, dam, mine, sanctuary and fair that appears. Attempt each chapter, read the explanations and revise the numbers: area, population, density and canal lengths.