9,654 RAS Prelims practice MCQs with the correct answer and a clear explanation for each. Filter by subject and chapter.
Practice questions based on the RPSC RAS Prelims syllabus. They follow the exam pattern but are not past-paper questions.
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RAS PrelimsIndian Polity and Governance · Union-State Relations
Q3831. Match the features of the Indian federal system in List-I with their primary source or inspiration in List-II:
Features of the Indian Federal System
Primary Source or Inspiration
A. Federation with a strong Centre
i. Australian Constitution
B. Concurrent List
ii. Canadian Constitution
C. Method of election of the President
iii. Japanese Constitution
D. Procedure established by Law
iv. Irish Constitution
Explanation
The Indian federal system draws inspiration from various international constitutions. The model of a federation with a strong Centre is based on the Canadian Constitution. The Concurrent List is inspired by Australia, while the method of electing the President comes from Ireland. Finally, the phrase procedure established by law is a feature adopted from the Japanese Constitution for legal protections.
Q3832. Identify the odd one out among the following typical causes of deforestation globally.
Explanation
Deforestation is primarily driven by industrial agriculture, urban expansion, and large-scale logging operations. In contrast, agroforestry involves the intentional integration of trees into crop and livestock systems. This practice is a sustainable land management strategy that enhances biodiversity and sequester carbon. Therefore, it serves as a solution to forest loss rather than a contributing cause.
RAS PrelimsIndian Economy · Service Sector: Role, Challenges and Opportunities
Q3833. Match the service sub-sectors in List I with their core activities in List II and select the correct answer:
Service Sub-sector
Core Activity
A. Trade and Repair
i. Capital market intermediation
B. Financial Services
ii. Governance and statutory services
C. Real Estate
iii. Retail distribution
D. Public Administration
iv. Asset development and management
Explanation
Economic classification groups specific activities into distinct sub-sectors within the broader service industry. Trade and repair focus on retail and wholesale distribution of goods. Financial services specialize in capital market intermediation and banking functions. Real estate involves asset development and management. Public administration encompasses essential governance and statutory services provided by state institutions for the welfare of citizens across the nation.
RAS PrelimsHealth, Environment and Agriculture · Biodiversity, Conservation and Sustainable Development
Q3834. Which of the following is a classic example of ecosystem diversity in India?
Explanation
India exhibits significant ecosystem diversity due to its varied geographical and climatic conditions. This level of biodiversity is characterized by the presence of distinct ecological systems like deserts, tropical rainforests, mangroves, and coral reefs. These ecosystems support diverse communities and ecological processes, representing a much higher level of complexity than species-level or genetic-level variations observed within single biological populations.
RAS PrelimsRajasthan History, Art and Culture · Rajasthan in the 18th and 19th Centuries
Q3835. Which of the following was NOT a direct consequence of the decline of Mughal paramountcy for the states of Rajputana?
Explanation
The weakening of the Mughal Empire allowed Rajput rulers to assert independence, yet it also increased their vulnerability to Maratha and Pindari raids. While internal disputes regarding boundaries and successions became frequent, the Rajput states failed to establish a unified empire. Instead, the period was characterized by political fragmentation and intense rivalries between different principalities, rather than a collective north Indian empire.
RAS PrelimsAncient Indian History · Ancient Indian Art, Architecture and Science
Q3836. Read the following statements regarding the Sanchi Stupa: I. The original brick core of the Great Stupa was commissioned by Emperor Ashoka. II. The elaborately carved stone gateways (toranas) were added during the Gupta period. III. It contains the bodily relics of the Buddha and his prominent disciples. Which of the above statement(s) is/are correct?
Explanation
The Sanchi Stupa remains a premier example of Buddhist architecture. While Emperor Ashoka commissioned the original brick core, the elaborate stone gateways known as toranas were actually added later during the Sunga and Satavahana periods, not the Gupta era. The site is revered for containing sacred bodily relics of the Buddha and his most prominent spiritual disciples.
RAS PrelimsIndian Polity and Governance · Union-State Relations
Q3837. Which of the following represents an exception to the strict federal principle in the Indian Constitution?
Explanation
Article 3 of the Indian Constitution grants Parliament the power to alter the boundaries or names of states without their formal consent. This represents a significant departure from strict federalism, where the territorial integrity of constituent units is usually guaranteed. In India, states are not indestructible, allowing the Union to reorganize regional territories for administrative convenience or to address political demands.
Q3838. Consider the following statements regarding the United Nations Convention to Combat Desertification (UNCCD): I. It is the sole legally binding international agreement linking environment and development to sustainable land management. II. It was adopted in 1994 and focuses heavily on the arid, semi-arid, and dry sub-humid areas where some of the most vulnerable ecosystems exist. III. The Great Green Wall initiative is completely independent of the UNCCD framework and objectives. Which of the above statement(s) is/are correct?
Explanation
The United Nations Convention to Combat Desertification is a legally binding international agreement focusing on sustainable land management in drylands. Adopted in 1994, it targets vulnerable arid and semi-arid regions to improve ecosystem health. While the Great Green Wall is a major initiative, it aligns closely with the objectives and framework established by the convention.
RAS PrelimsIndian Economy · Service Sector: Role, Challenges and Opportunities
Q3839. In the context of India’s economic structure, approximately what percentage does the service sector contribute to the total Gross Value Added (GVA)?
Explanation
The service sector represents the most dynamic component of the Indian economy, typically contributing between fifty and sixty percent of the total Gross Value Added. This dominant share reflects the transition toward a knowledge-led and service-oriented developmental model. Major sub-segments like trade, hospitality, transportation, and financial services collectively drive this significant contribution to the overall national economic value today.
RAS PrelimsHealth, Environment and Agriculture · Biodiversity, Conservation and Sustainable Development
Q3840. Identify the correct statement regarding biodiversity gradients.
Explanation
Latitudinal gradients show that species diversity is highest in the tropics and gradually declines toward higher latitudes. The equatorial regions provide stable climates and high productivity, supporting a greater variety of life. Conversely, the harsh conditions and shorter growing seasons near the poles lead to a significant decrease in the total number of species found in those specific polar ecosystems.
Answer key for these questions
Q
Correct answer
3831
(d) A-ii, B-i, C-iv, D-iii
3832
(d) Implementation of agroforestry systems
3833
(a) A-iii, B-i, C-iv, D-ii
3834
(d) The variety of deserts, rainforests, mangroves, and coral reefs
3835
(c) Establishment of a unified Rajput empire across northern India
3836
(c) I and III only
3837
(c) Parliament’s authority to unilaterally alter state boundaries without state consent.
3838
(a) I and II only
3839
(c) Between 50 percent and 60 percent
3840
(c) Species diversity generally decreases as one moves from the equator towards the poles.
Frequently asked questions
How many RAS Prelims practice MCQs are there on RAS Prelims?
This page has 9654 practice MCQs on the RAS Prelims syllabus. Each has the correct answer, and most have an explanation.
How should I practise MCQs for RAS Prelims?
Attempt each question first, then open the answer and read the explanation. Practise one chapter at a time, note the facts you got wrong and revise them. Repeat the chapter after a few days.
Are these actual RAS Prelims past-paper questions?
No. These are practice questions written for the RAS Prelims syllabus. They follow the pattern the exam uses: factual questions, statement-based questions, match-the-list and assertion-reason.
