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 · Population of Rajasthan: Growth, Density, Literacy and Sex Ratio
Q9431. Given below are two statements, one labeled as Assertion (A) and the other as Reason (R): Assertion (A): Rajasthan recorded a negative decadal population growth rate during the 1911- 1921 decade. Reason (R): The 1911-1921 period witnessed severe famines and the devastating influenza epidemic which caused high mortality. Select the correct answer using the codes given below:
Explanation
Between 1911 and 1921, Rajasthan experienced a rare negative population growth rate. This demographic decline resulted directly from external environmental and health crises, specifically devastating famines and the widespread influenza epidemic. These factors led to exceptionally high mortality rates across the region, making this decade unique in the state’s recorded census history for its population shrinkage.
RAS PrelimsModern Indian History · Science and Technology in Independent India
Q9432. Consider the following statements regarding the Council of Scientific and Industrial Research (CSIR): Statement I: CSIR was established as an autonomous body to promote industrial research in India. Statement II: The President of India serves as the ex-officio President of CSIR. Identify the correct statement from the options below.
Explanation
The Council of Scientific and Industrial Research serves as an autonomous body promoting diverse industrial research. While it focuses on technological advancements across various sectors, its leadership structure is specific. The Prime Minister of India, rather than the President, holds the position of ex-officio President. This governance model ensures high-level executive support for national research and development initiatives.
RAS PrelimsRajasthan Geography · Population of Rajasthan: Growth, Density, Literacy and Sex Ratio
Q9433. Which of the following statements correctly compares the overall sex ratio of Rajasthan with the national average as per the 2011 Census?
Explanation
According to the 2011 Census, Rajasthan has an overall sex ratio of nine hundred twenty-eight females for every one thousand males. When compared to the national demographic data, this figure is notably lower than the Indian average of nine hundred forty-three. Such statistics highlight the continuing gender imbalance within the state despite various government-led social initiatives and improvements.
RAS PrelimsModern Indian History · Science and Technology in Independent India
Q9434. Four of the following entities belong to the same category based on India’s early technological advancements. Identify the odd one out.
Explanation
Early Indian technological achievements focused heavily on space exploration and satellite technology. Aryabhata, Bhaskara-I, and Rohini represent significant milestones in the country’s satellite launch history and orbital research. Conversely, Prithvi belongs to the category of defense technology as a surface-to-surface ballistic missile developed under the Integrated Guided Missile Development Programme, making it distinct from early civilian satellites.
RAS PrelimsRajasthan Geography · Population of Rajasthan: Growth, Density, Literacy and Sex Ratio
Q9435. Match the districts in List I with their population density in 2011 in List II:
Districts
Population Density 2011
A. Jaipur
i. 438
B. Bharatpur
ii. 476
C. Dausa
iii. 503
D. Alwar
iv. 595
Codes:
Explanation
The population density across Rajasthan varies significantly by district based on geographical and economic factors. In 2011, Jaipur recorded the highest density at five hundred ninety-five persons per square kilometer. Bharatpur followed with five hundred three, Dausa with four hundred seventy-six, and Alwar with four hundred thirty-eight, reflecting the higher concentration of residents in the eastern regions.
RAS PrelimsModern Indian History · Science and Technology in Independent India
Q9436. Match the eminent scientific institutions in List I with their key founders or pioneering figures in List II.
Scientific Institutions
Founders/Pioneering Figures
A. Tata Institute of Fundamental Research (TIFR)
i. Vikram Sarabhai
B. Physical Research Laboratory (PRL)
ii. P.C. Mahalanobis
C. Centre for Development of Advanced Computing (C-DAC)
iii. Homi J. Bhabha
D. Indian Statistical Institute (ISI)
iv. Vijay Bhatkar
Explanation
India’s scientific landscape was shaped by visionary founders of key institutions. Homi J. Bhabha established the Tata Institute of Fundamental Research, while Vikram Sarabhai founded the Physical Research Laboratory. Vijay Bhatkar led the development of supercomputing at C-DAC, and P.C. Mahalanobis pioneered statistical research at the Indian Statistical Institute. These leaders provided the necessary framework for specialized scientific progress in several domains.
RAS PrelimsRajasthan Geography · Population of Rajasthan: Growth, Density, Literacy and Sex Ratio
Q9437. Identify the incorrect statement regarding the literacy rates in Rajasthan according to the 2011 Census.
Explanation
Official census data from 2011 reveals that Rajasthan’s literacy landscape has notable gender disparities. While the overall and male literacy figures are quite high, the female literacy rate is significantly lower than seventy-five percent, actually standing at approximately fifty-two percent. This discrepancy results in a substantial gender gap exceeding twenty-five points, indicating a need for targeted educational interventions.
RAS PrelimsRajasthan Geography · Population of Rajasthan: Growth, Density, Literacy and Sex Ratio
Q9438. Consider the following statements regarding the literacy gap in Rajasthan: I. Kota district has the highest female literacy rate in the state. II. Jhunjhunu district holds the highest male literacy rate. III. Jalore district recorded the lowest overall literacy rate as well as the lowest female literacy rate. Which of the combinations of the above statements is correct?
Explanation
Demographic analysis of Rajasthan in 2011 shows distinct regional literacy trends. Kota leads the state in female literacy, while Jhunjhunu maintains the highest rate for males. Conversely, Jalore faces significant educational challenges, recording the lowest overall literacy rate and the lowest female literacy rate in the state. These variations highlight the uneven distribution of educational progress across districts.
RAS PrelimsModern Indian History · Science and Technology in Independent India
Q9439. Which of the following factors is considered the most appropriate reason for the rapid emergence of Bangalore as the Silicon Valley of India during the IT revolution?
Explanation
Bangalore’s transformation into a major global technology hub was driven by several socio-economic factors. The presence of numerous engineering colleges provided a steady supply of skilled, English-speaking professionals. Additionally, proactive state policies and the establishment of dedicated software technology parks created an environment conducive to international trade. These elements collectively attracted multinational corporations, fostering a robust software export economy.
RAS PrelimsRajasthan Geography · Population of Rajasthan: Growth, Density, Literacy and Sex Ratio
Q9440. Which among the following is the primary demographic reason for the exceptionally high population growth rate in Rajasthan between 1971 and 1981?
Explanation
Rajasthan’s highest decadal population growth occurred between 1971 and 1981, largely due to a phase of demographic transition. During this period, advancements in medical facilities and public health initiatives significantly lowered the mortality rate. However, birth rates remained high during these years, leading to an explosive increase in the total population as the gap between births and deaths widened.
Answer key for these questions
Q
Correct answer
9431
(a) Both A and R are true and R is the correct explanation of A.
9432
(a) Statement I is correct and Statement II is incorrect
9433
(c) Rajasthan’s sex ratio is 928, which is lower than the national average of 943.
9434
(d) Prithvi
9435
(a) A-iv, B-iii, C-ii, D-i
9436
(a) A-iii, B-i, C-iv, D-ii
9437
(c) The female literacy rate is 75.4 percent, matching the male literacy rate.
9438
(b) I, II, and III
9439
(d) A large pool of English-speaking technical graduates and early favorable state policies for software exports
9440
(d) Rapidly declining death rates with high birth rates due to medical advances.
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.
