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 PrelimsRajasthan Geography · Rivers and Lakes of Rajasthan
Q8441. Consider the following statements about Sambhar Lake: I. The Mendha and Rupangarh rivers drain their water into it. II. The Khari and Khandela rivers are also prominent feeders of this lake. III. It was designated as a Ramsar Wetland site of international importance in 1990. IV. Hindustan Salts Limited operates a major salt extraction facility here. V. According to the Bijolia inscription, the lake was constructed by Vasudev Chauhan. Which of the above statements is/are correct?
Explanation
Sambhar Lake is a complex saline ecosystem fed by several rivers like the Mendha and Rupangarh. It is a designated Ramsar site, reflecting its international ecological importance. Managed by Hindustan Salts Limited, it is also historically significant; the Bijolia inscription attributes its construction to Vasudev Chauhan. These factors highlight the lake’s multifaceted role in the state’s economy, history, and environment.
RAS PrelimsModern Indian History · British Political and Administrative Policies
Q8442. Consider the following statements: Statement I: The establishment of colonial Cantonments led to a highly integrated urban landscape where European soldiers and native populations freely mixed. Statement II: The architectural style of colonial bungalows in Civil Lines was specifically designed to assert racial superiority and ensure physical separation from the native environment. Which of the following statement(s) is/are correct?
Explanation
Cantonments kept Europeans and Indians apart, so Statement I is false. The bungalows of Civil Lines were designed to show racial superiority and keep distance from native areas, so Statement II is true.
RAS PrelimsRajasthan Polity and Administration · Police Administration
Q8443. The Criminal Investigation Department (CID) in Rajasthan is broadly divided into two main branches. What are they?
Explanation
The Criminal Investigation Department in Rajasthan is organized into two primary branches to handle specialized tasks. The Crime Branch is responsible for investigating complex or sensational criminal cases that require expert handling. The Special Branch, on the other hand, serves as the state’s intelligence wing, focusing on gathering information related to internal security, political developments, and public order.
RAS PrelimsRajasthan Geography · Rivers and Lakes of Rajasthan
Q8444. Which of the following pairs of ‘Salt Lake’ and ‘District’ is correctly matched?
Explanation
Tal Chhapar is a small saline depression located in the Churu district, which is also famous for its Blackbuck sanctuary. While many of Rajasthan’s prominent salt lakes like Sambhar and Didwana are in the central region, Tal Chhapar represents the saline features found in the northern desert area. Other mentioned lakes like Degana and Kuchaman are located in the Nagaur and Didwana-Kuchaman districts respectively.
RAS PrelimsModern Indian History · British Political and Administrative Policies
Q8445. Consider the following statements regarding the Indian Councils Acts of 1861 and 1892: I. The Act of 1861 initiated the process of legislative decentralization. II. The Act of 1861 introduced the portfolio system into the executive council. III. The Act of 1892 allowed members to ask supplementary questions in the council. IV. The Act of 1892 permitted the discussion of the annual financial statement. V. The Act of 1892 established a completely elected non-official majority in the central legislative council. Which of the following combinations of statements is correct?
Explanation
The Act of 1861 began legislative decentralisation and introduced the portfolio system. The Act of 1892 allowed discussion of the budget, but did not give supplementary questions in the way described or an elected non-official majority, so I, II and IV are correct.
RAS PrelimsRajasthan Polity and Administration · Police Administration
Q8446. Which of the following statements about the Anti-Corruption Bureau (ACB) is incorrect?
Explanation
The Anti-Corruption Bureau operates independently of the regular district police and derives its powers from the Prevention of Corruption Act. It encourages citizens to report bribery. Importantly, the ACB is not barred from investigating All India Service officers serving in the state; it can investigate any public servant within its jurisdiction, provided the necessary legal procedures are followed.
RAS PrelimsRajasthan Geography · Rivers and Lakes of Rajasthan
Q8447. A massive mortality event of migratory birds occurred at Sambhar Lake in recent years. What was the scientifically established cause of this ecological disaster?
Explanation
In recent years, Sambhar Lake witnessed a tragic ecological disaster involving the death of thousands of migratory birds. Scientific investigations confirmed that the primary cause was an outbreak of Avian Botulism, a serious neuromuscular illness caused by a toxin produced by the bacterium Clostridium botulinum. This event highlighted the vulnerability of the lake’s ecosystem to changing environmental conditions and biological pathogens.
RAS PrelimsModern Indian History · British Political and Administrative Policies
Q8448. Who was the first Viceroy of India following the enactment of the Government of India Act 1858?
Explanation
Lord Canning, the Governor-General in 1858, became the first Viceroy of India after the Government of India Act 1858.
RAS PrelimsRajasthan Polity and Administration · Police Administration
Q8449. Consider the following functions: I. Investigating cases of complex nature involving multiple districts. II. Gathering political, social, and security-related intelligence. III. Supervising regular police stations regarding daily law and order. IV. Providing specialized assistance in cyber-crime investigations. Which of the above statement(s) is/are associated with the CID (Crime Branch and Special Branch) in Rajasthan?
Explanation
The CID branches in Rajasthan are involved in investigating complex crimes across multiple districts and gathering critical intelligence for the state. They also provide specialized assistance in modern challenges like cyber-crime investigations. However, supervising the daily law and order functions of regular police stations is the responsibility of the district police leadership, rather than the specialized CID units.
RAS PrelimsModern Indian History · British Political and Administrative Policies
Q8450. Given below are two statements, one labelled as Assertion (A) and the other as Reason (R): Assertion (A): The colonial government extensively used sedition laws (IPC Section 124A) to suppress nationalist journalism in the late 19th and early 20th centuries. Reason (R): Nationalist newspapers were successfully creating widespread political awakening and disaffection against British rule among the Indian masses. Select the correct answer from the codes given below:
Explanation
The government used Section 124A widely against nationalist journalism because nationalist papers were creating political awakening and disaffection. R explains A.
Answer key for these questions
Q
Correct answer
8441
(d) I, II, III, IV and V
8442
(d) Statement I is false but Statement II is true.
8443
(d) Crime Branch (CB) and Special Branch (SB)
8444
(d) Tal Chhapar - Churu
8445
(a) I, II and IV only
8446
(b) ACB officers are barred from investigating All India Service officers serving in the state.
8447
(b) An outbreak of Avian Botulism
8448
(c) Lord Canning
8449
(c) I, II and IV
8450
(a) Both A and R are true and R is the correct explanation of A.
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.
