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 Executive: President, Vice President, Prime Minister and Cabinet
Q2381. Match List-I with List-II and select the correct answer:
Important Cases/Doctrines
Related Core Concept
A. Shamsher Singh v. State of Punjab
i. Repromulgation of Ordinances is unconstitutional
B. S.R. Bommai v. Union of India
ii. Justiciability of President’s Rule
C. D.C. Wadhwa v. State of Bihar
iii. President is only a formal/nominal executive head
D. U.N. Rao v. Indira Gandhi
iv. Council of Ministers must always exist even if Lok Sabha is dissolved
Explanation
Key judicial rulings have clarified the executive’s role. Shamsher Singh established that the President is a nominal head. S.R. Bommai made the proclamation of President’s Rule subject to judicial review. D.C. Wadhwa declared the repeated repromulgation of ordinances unconstitutional. U.N. Rao v. Indira Gandhi affirmed that a Council of Ministers must always exist to advise the President, even after the Lok Sabha’s dissolution.
RAS PrelimsWorld Geography · World Agriculture: Types, Farming Systems and Major Crops
Q2382. A farmer in a densely populated region of South Asia grows rice during the monsoon and a quick-maturing vegetable crop in the dry season on a small plot of land, using extensive family labor. This scenario is a practical application of which farming system?
Explanation
The scenario describes the core characteristics of intensive subsistence agriculture, prevalent in densely populated regions of Monsoon Asia. It features small landholdings, the use of intensive family labor, and the practice of multiple cropping to maximize food production. Growing a staple like rice during the wet season followed by other crops in the dry season ensures survival where land is scarce.
RAS PrelimsIndian Economy · Fiscal Federalism and Finance Commission
Q2383. Which of the following is NOT a consequence of the proliferation of Centrally Sponsored Schemes on State finances?
Explanation
The rise of Centrally Sponsored Schemes often limits state flexibility because these programs come with strict central guidelines and mandatory matching requirements. States must divert their own resources to meet these conditions, reducing the funds available for their own unique priorities. This can strain both the financial health and the administrative capacity of state governments to manage numerous overlapping programs.
RAS PrelimsScience and Technology · Genetics, Biotechnology and Nanotechnology
Q2384. Consider the following statements regarding genetic engineering: Statement I: Genetic engineering allows for the transfer of genes across different biological species. Statement II: Natural sexual reproduction strictly restricts gene transfer to members of the same or closely related species. Which of the following represents the correct option?
Explanation
Genetic engineering breaks biological barriers by allowing the transfer of specific genes between entirely different species, such as moving a bacterial gene into a plant. In contrast, natural sexual reproduction is generally restricted by biological compatibility, occurring only between members of the same species or very closely related ones. This fundamental difference enables biotechnology to create organisms with traits that could never arise through traditional breeding.
RAS PrelimsRajasthan History, Art and Culture · Major Dynasties of Rajasthan
Q2385. Consider the following statements regarding the Chahamanas of Shakambhari: I. Vasudeva is considered the founder of this dynasty around 551 CE. II. They originally ruled as feudatories of the Gurjara-Pratiharas. III. The construction of the Pushkar Lake is solely attributed to Arnoraja. Which of the above statement(s) is/are incorrect?
Explanation
The Chahamanas of Shakambhari were founded by Vasudeva in the mid-sixth century and initially served as Gurjara-Pratihara feudatories. While Arnoraja was a significant builder who constructed the Ana Sagar lake in Ajmer, the claim that he was solely responsible for the construction of Pushkar Lake is incorrect. Pushkar is an ancient sacred site with origins predating the historical Chahamana dynasty by many centuries.
RAS PrelimsAncient Indian History · Maurya and Post-Maurya Dynasties
Q2386. Identify the incorrect pair regarding the early representations of the Buddha.
Explanation
In early Buddhist art like the Sunga period, the Buddha was represented only through symbols such as the Bodhi tree. However, during the Kushana era, both the Gandhara and Mathura schools began depicting the Buddha in human form. The Amaravati school was transitional; while early phases used aniconic symbols, later phases also adopted the anthropomorphic representation of the Buddha, often depicting him in dynamic relief panels.
RAS PrelimsIndian Polity and Governance · Union Executive: President, Vice President, Prime Minister and Cabinet
Q2387. As per Article 74(2), the question whether any, and if so what, advice was tendered by Ministers to the President:
Explanation
Article 74(2) says that the question whether any advice was given by the Ministers to the President, and what it was, shall not be inquired into in any court.
RAS PrelimsWorld Geography · World Agriculture: Types, Farming Systems and Major Crops
Q2388. Which of the following pairs of plantation crops and their major producing countries is correctly matched?
Explanation
Ghana is one of the world’s leading producers of cocoa, which is a major plantation crop and a key export for the country. In contrast, rubber is not a major product of Canada, tea is not the primary plantation crop of Brazil, and the UK does not produce coffee. This highlight emphasizes the importance of West Africa in the global chocolate industry.
RAS PrelimsIndian Economy · Fiscal Federalism and Finance Commission
Q2389. What is the most appropriate reason for the rationalisation of Centrally Sponsored Schemes into umbrella schemes based on the recommendations of a Sub-Group of Chief Ministers?
Explanation
Rationalizing Centrally Sponsored Schemes into umbrella programs aims to simplify the fiscal landscape. By grouping related schemes, the government reduces administrative complexity and allows states to tailor implementations to local needs. This shift was recommended to enhance efficiency and ensure that central funding effectively supports state efforts without imposing overly rigid or redundant requirements on the local administration.
RAS PrelimsScience and Technology · Genetics, Biotechnology and Nanotechnology
Q2390. The first recombinant DNA molecule was created by linking an antibiotic resistance gene to a native plasmid of which bacterium?
Explanation
The first recombinant DNA molecule was constructed in 1972 by Stanley Cohen and Herbert Boyer. They successfully linked a gene encoding antibiotic resistance to a native plasmid of the bacterium Salmonella typhimurium. This pioneering experiment demonstrated that genetic material could be manipulated and functionalized in a foreign host, laying the foundation for the modern biotechnology industry.
Answer key for these questions
Q
Correct answer
2381
(a) A-iii, B-ii, C-i, D-iv
2382
(a) Intensive subsistence agriculture
2383
(a) It provides States with absolute flexibility in designing local interventions.
2384
(a) Both Statement I and Statement II are correct.
2385
(c) III only
2386
(b) Amaravati Art: Buddha strictly shown in aniconic forms throughout.
2387
(b) Shall not be inquired into in any court.
2388
(b) Cocoa - Ghana
2389
(b) To reduce administrative overlaps and provide greater flexibility for States
2390
(a) Salmonella typhimurium
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.
