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 PrelimsScience and Technology · Recent Advances, Indian Contributors and Indigenization
Q5561. Consider the following statements regarding Srinivasa Ramanujan: I. He was completely self-taught in advanced mathematics. II. He was the first Indian to be elected a Fellow of Trinity College, Cambridge. III. National Mathematics Day in India is celebrated on his birth anniversary, December 22. IV. He won the Fields Medal for his work on prime numbers. Which of the above statement(s) is/are correct?
Explanation
Ramanujan was largely self-taught and became the first Indian Fellow of Trinity College, Cambridge. His birth anniversary on December 22 is honored as National Mathematics Day. While he made profound contributions to prime number theory, he did not win the Fields Medal, as the award was established in 1936, years after his untimely death in 1920.
RAS PrelimsIndian Economy · Social Justice and Empowerment
Q5562. Consider the following statements regarding Article 16 of the Constitution: I. It guarantees equality of opportunity for all citizens in matters relating to employment under the State. II. It permits the State to make provisions for the reservation of appointments in favor of any backward class of citizens. III. It explicitly prohibits reservation in promotions for all categories of employees. Which of the combination of statements given above is incorrect?
Explanation
Article 16 of the Constitution guarantees equality of opportunity in public employment but also enables the State to provide reservations for backward classes. Crucially, Clause 4A specifically permits the State to provide reservations in matters of promotion for Scheduled Castes and Scheduled Tribes. Therefore, stating that the article explicitly prohibits reservations in promotions for all categories is legally incorrect under the current constitutional framework.
RAS PrelimsScience and Technology · Recent Advances, Indian Contributors and Indigenization
Q5563. Who among the following is universally acknowledged as the father of the Indian nuclear programme?
Explanation
Homi Jehangir Bhabha is universally recognized as the visionary leader who established India’s nuclear research infrastructure. He founded the Tata Institute of Fundamental Research and the Atomic Energy Establishment at Trombay. His strategic planning and scientific excellence laid the groundwork for India to achieve self-reliance in nuclear energy, earning him the title of the father of the programme.
RAS PrelimsRajasthan History, Art and Culture · Temples, Forts, Palaces and Monuments
Q5564. Match List-I (Monuments/Palaces) with List- II (Associated Rulers/Founders) and select the correct answer.
Monuments/Palaces
Associated Rulers/Founders
A. Hawa Mahal, Jaipur
i. Maharana Jagat Singh II
B. City Palace, Jaipur
ii. Maharaja Umaid Singh
C. Umaid Bhawan Palace, Jodhpur
iii. Sawai Pratap Singh
D. Lake Palace (Jag Niwas), Udaipur
iv. Sawai Jai Singh II
Explanation
Sawai Pratap Singh built the Hawa Mahal, Sawai Jai Singh II built the City Palace of Jaipur, Maharaja Umaid Singh built the Umaid Bhawan Palace of Jodhpur and Maharana Jagat Singh II built the Lake Palace (Jag Niwas) of Udaipur. This gives A-iii, B-iv, C-ii, D-i.
RAS PrelimsIndian Economy · Social Justice and Empowerment
Q5565. Consider the following statements regarding the evolution of the reservation policy: Statement I: The Poona Pact of 1932 resulted in the abandonment of separate electorates for the depressed classes in favor of reserved seats within the general Hindu electorate. Statement II: The Communal Award of 1932 was strictly opposed by Dr. B.R. Ambedkar as it denied representation to the depressed classes. Which of the following is correct?
Explanation
The Poona Pact of 1932 was a significant agreement between Mahatma Gandhi and Dr. B.R. Ambedkar. It led to the rejection of separate electorates for depressed classes in favor of reserved seats within the general electorate. While Ambedkar initially supported the Communal Award for providing separate representation, Gandhi’s opposition led to the compromise. This event was pivotal in shaping India’s reservation policies.
RAS PrelimsRajasthan History, Art and Culture · Temples, Forts, Palaces and Monuments
Q5566. The unique five-story exterior of the Hawa Mahal in Jaipur is designed in the shape of which religious symbol?
Explanation
The five-storied front of the Hawa Mahal is designed in the shape of the crown (Mukut) of Lord Krishna. Its many small windows, the jharokhas, allowed royal women to watch street life without being seen.
RAS PrelimsIndian Economy · Social Justice and Empowerment
Q5567. What is the most appropriate definition of "Scheduled Castes" under the Constitution of India?
Explanation
Scheduled Castes are defined under Article 341 of the Constitution as those castes, races, or tribes that the President of India specifies through a public notification. This list includes communities traditionally considered marginalized and subject to untouchability. Once the President issues the initial list, only Parliament has the authority to include or exclude any specific group from this schedule through subsequent legislation.
RAS PrelimsScience and Technology · Recent Advances, Indian Contributors and Indigenization
Q5568. Which of the following best describes India’s three-stage nuclear power programme formulated by Homi J. Bhabha?
Explanation
India’s nuclear strategy, designed by Homi Bhabha, consists of three distinct stages to maximize domestic resources. The first stage uses natural uranium in heavy water reactors. The second stage utilizes plutonium produced in the first stage to fuel fast breeder reactors. The final stage aims to use India’s vast thorium reserves to achieve long-term, sustainable energy independence.
RAS PrelimsRajasthan History, Art and Culture · Temples, Forts, Palaces and Monuments
Q5569. Which is the primary astronomical function of the ‘Samrat Yantra’ located within the Jantar Mantar observatory in Jaipur?
Explanation
The Samrat Yantra of the Jantar Mantar is a giant sundial. It measures local time accurately from the shadow of its gnomon, and it is the largest instrument in the observatory.
RAS PrelimsIndian Economy · Social Justice and Empowerment
Q5570. Which of the following is the correct chronological sequence of events related to OBC reservation in India?
Explanation
The evolution of OBC reservations began with the Kaka Kalelkar Commission in 1953, the first of its kind. Later, the Mandal Commission was established in 1979, recommending 27 percent reservation. The legal validity of these quotas was confirmed by the Supreme Court in the landmark 1992 Indra Sawhney judgment. Finally, the 102nd Constitutional Amendment Act of 2018 granted constitutional status to the NCBC.
Answer key for these questions
Q
Correct answer
5561
(a) I, II, and III only
5562
(c) III only
5563
(c) Homi J. Bhabha
5564
(a) A-iii, B-iv, C-ii, D-i
5565
(c) Statement I is true but Statement II is false
5566
(d) The crown (Mukut) of Lord Krishna
5567
(d) Groups, castes, or tribes deemed to be Scheduled Castes under the provisions of Article 341
5568
(d) Use of natural uranium, followed by plutonium, and eventually thorium
5569
(a) To measure local time accurately using the shadow of its gnomon
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.
