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 Economy · Fiscal Federalism and Finance Commission
Q2271. Consider the following statements regarding the GST Council: I. It is a statutory body established by an Act of Parliament in 2017. II. It is chaired by the Union Finance Minister. III. The vote of the Central Government has a weightage of one-third of the total votes cast. IV. Every decision of the Council must be taken by a majority of not less than three-fourths of the weighted votes. Which combination represents the correct statements?
Explanation
The GST Council is a constitutional body, not just statutory, chaired by the Union Finance Minister. It ensures a collaborative approach to taxation. Decisions require a three-fourths majority, with the Centre holding one-third of the voting power and all States together holding two-thirds. This structure prevents either the Centre or a small group of States from making unilateral decisions.
RAS PrelimsScience and Technology · Genetics, Biotechnology and Nanotechnology
Q2272. Consider the following statements regarding mutations: I. Germline mutations can be inherited by the offspring. II. Somatic mutations are passed down to future generations. III. Silent mutations do not change the amino acid sequence of the protein. Which of the above statement(s) is/are correct?
Explanation
Germline mutations occur in the reproductive cells and are passed on to offspring, making them heritable. Silent mutations are changes in the DNA sequence that do not alter the resulting amino acid sequence due to the redundancy of the genetic code. Somatic mutations, however, occur in non-reproductive body cells and are not inherited by future generations, affecting only the individual in whom they occur.
RAS PrelimsRajasthan History, Art and Culture · Major Dynasties of Rajasthan
Q2273. In the context of the decline of Rajput political power in the 18th century, the term "Chauth" refers to:
Explanation
In the eighteenth century, as the Mughal Empire weakened, the Marathas expanded their influence into Rajasthan. They demanded a tribute known as Chauth, which was theoretically one-fourth of the land revenue. In exchange for this payment, the Marathas promised protection from external invasions and agreed not to plunder the territory themselves, placing a heavy financial burden on the Rajput states.
RAS PrelimsAncient Indian History · Maurya and Post-Maurya Dynasties
Q2274. Consider the following statements regarding the immediate aftermath of the Mauryan decline: I. The empire was partitioned, with the eastern part going to Pushyamitra Sunga. II. The north-western gateways were left vulnerable to Indo-Greek incursions. III. The Satavahanas immediately replaced the Mauryas in Pataliputra. Which of the above statements is/are correct?
Explanation
Following the collapse of the Mauryan Empire, the eastern territories came under the control of Pushyamitra Sunga, who founded the Sunga dynasty. The weakening of central authority also left the North-Western frontier vulnerable to invasions by Indo-Greek rulers. However, the Satavahanas did not immediately replace the Mauryas in Pataliputra; they rose to prominence in the Deccan and Central India, rather than in the Magadhan heartland.
RAS PrelimsIndian Polity and Governance · Union Executive: President, Vice President, Prime Minister and Cabinet
Q2275. Which of the following describes the doctrine of ‘Collective Responsibility’ enshrined in Article 75 of the Constitution?
Explanation
Article 75 states that the Council of Ministers is collectively responsible to the Lok Sabha. This means they function as a single unit and sink or swim together. If the Lok Sabha passes a no-confidence motion against the government, the entire ministry must resign. This principle ensures the executive remains accountable to the lower house, which directly represents the people’s mandate.
RAS PrelimsWorld Geography · World Agriculture: Types, Farming Systems and Major Crops
Q2276. What is the primary purpose of ‘retting’ in the production of jute?
Explanation
Retting is a crucial biological process in jute production where harvested stems are bundled and submerged in slow-moving water for several days. This action loosens the tissues and allows the fibers to be easily separated from the woody stalk. Once stripped, the fibers are washed and dried before processing. This traditional method is essential for obtaining high-quality jute for industrial use.
RAS PrelimsIndian Economy · Fiscal Federalism and Finance Commission
Q2277. What is the intended effect of requiring a three-fourths majority for decisions in the GST Council with the Centre holding one-third weightage and States holding two-thirds?
Explanation
The weighted voting system in the GST Council is designed to promote consensus. Since the Centre holds one-third of the votes and decisions require a seventy-five percent majority, the Centre cannot pass resolutions without the support of many states. Similarly, the states cannot act without the Centre’s agreement. This creates a powerful incentive for negotiation and cooperative fiscal decision-making.
RAS PrelimsScience and Technology · Genetics, Biotechnology and Nanotechnology
Q2278. A mutation resulting in the conversion of a regular codon into a stop codon is termed:
Explanation
A nonsense mutation is a specific type of point mutation where a single base substitution changes a codon that codes for an amino acid into a premature stop codon. This leads to the early termination of protein synthesis during translation, resulting in a truncated and usually non-functional polypeptide. Such mutations often have significant biological consequences depending on their location within the gene sequence.
RAS PrelimsRajasthan History, Art and Culture · Major Dynasties of Rajasthan
Q2279. Match List I with List II and select the correct answer using the codes given below:
Origin Theories
Key Proponents/Texts
A. Brahman origin theory
i. G.H. Ojha
B. Solar/Lunar origin theory
ii. Muhnot Nainsi
C. Foreign origin theory
iii. D.R. Bhandarkar
D. Agnikunda theory
iv. William Crooke
Explanation
The origins of the Rajputs have been explained through multiple lenses. D.R. Bhandarkar proposed a Brahmin or Gurjara origin, while G.H. Ojha championed the Solar and Lunar descent theory. William Crooke was a prominent supporter of the foreign origin theory, linking them to Central Asian tribes. The Agnikunda theory is a legendary account found in various traditional texts, including those by Nainsi.
RAS PrelimsAncient Indian History · Maurya and Post-Maurya Dynasties
Q2280. The Ayodhya inscription explicitly mentions that Pushyamitra Sunga performed which of the following Vedic rituals twice?
Explanation
The Ayodhya inscription provides evidence that Pushyamitra Sunga, the founder of the Sunga dynasty, performed the Ashvamedha or horse sacrifice twice during his reign. This Vedic ritual was a powerful symbol of imperial sovereignty and the restoration of Brahmanical traditions after the Mauryan period. His performance of these sacrifices signifies his military successes against various enemies, including the Indo- Greeks, and his role as a patron of orthodox Vedic practices.
Answer key for these questions
Q
Correct answer
2271
(b) II, III and IV only
2272
(c) I and III only
2273
(c) A protective tribute demanded by Marathas
2274
(a) I and II only
2275
(c) The Council of Ministers is collectively responsible to the Lok Sabha.
2276
(c) To separate fibers from the stem by soaking bundles in water.
2277
(c) Ensuring neither Centre nor States can act alone, fostering cooperative federalism
2278
(c) Nonsense mutation
2279
(a) A-iii, B-i, C-iv, D-ii
2280
(d) Ashvamedha
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.
