Q11. Which of the following indicators is least likely to be used when assessing the economic development of a region?
RAS Prelims MCQ Practice
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Q12. In a controlled scientific experiment, what is the primary purpose of the control group?
Explanation
The control group acts as a vital reference point in scientific research. By remaining unexposed to the experimental variable, it allows investigators to measure the exact influence of the independent variable on the test group. This comparison ensures that observed changes result from the specific manipulation rather than external environmental factors or chance occurrences within the study environment.
Q13. Which prominent archaeologist extensively excavated the prehistoric sites of Didwana and Bagor in Rajasthan?
Explanation
V.N. Misra played a pivotal role in uncovering Rajasthan’s prehistory through his systematic excavations at key sites. His work at Bagor provided groundbreaking evidence of early animal domestication and microlithic traditions. Similarly, his investigations at Didwana helped establish a long chronological sequence of human occupation in the Thar desert, significantly advancing the understanding of Palaeolithic environments and ancient human adaptations.
Q14. Which of the following statements accurately describes the drainage system of the Indus Valley Civilisation?
Explanation
The Harappan urban planning was characterized by an exceptionally advanced and systematic drainage network. Almost every household featured its own courtyard and a dedicated bathroom. These private facilities were connected to a larger network of street drains. These drains were typically covered with bricks or stone slabs to maintain hygiene and were regularly cleaned by municipal workers.
Q15. Match List I with List II and select the correct answer from the options given below:
| Event | Year |
|---|---|
| A. First official demand by INC for Constituent Assembly | i. 1940 |
| B. August Offer | ii. 1946 |
| C. Cripps Mission | iii. 1935 |
| D. Cabinet Mission Plan | iv. 1942 |
Explanation
The Indian National Congress made the first official demand for a Constituent Assembly in 1935. The British government accepted this demand in principle through the August Offer in 1940. Subsequently, Sir Stafford Cripps brought a draft proposal in 1942, and the Cabinet Mission Plan, which formulated the scheme for the assembly, was finally dispatched to India in 1946.
Q16. Which of the following statements regarding block mountains is incorrect?
Explanation
Block mountains form when large crustal areas are fractured and displaced vertically along fault lines. The uplifted sections of the crust are scientifically identified as horsts, while the sunken or lowered segments are called grabens. These geological features are typical in areas experiencing tectonic tension. The Vosges and Black Forest mountains serve as prominent examples of this specific structural formation.
Q17. In the context of economic theories, growth without development is a phenomenon where:
Explanation
Growth without development occurs when a nation experiences a sustained rise in national income that fails to benefit the wider population. In this scenario, wealth remains concentrated among a small elite, leaving poverty and inequality levels unchanged. True development requires that economic gains translate into structural improvements. Without social progress or equitable distribution, quantitative growth remains an incomplete measure of success.
Q18. Which logical process involves drawing a general conclusion from specific observations?
Explanation
Inductive reasoning involves synthesizing specific instances to form a broad generalization. This logical approach observes patterns in data to derive probable conclusions about larger populations or universal principles. While the resulting conclusions are not guaranteed to be true, they provide essential predictive models that guide further scientific exploration and help in establishing broader theories based on recorded evidence.
Q19. Consider the following statements regarding the geographical divisions of Rajasthan and their prehistoric relevance:
I. The Aravalli range provided abundant raw stone materials for Palaeolithic humans.
II. The western desert region of Thar shows an absolute absence of any prehistoric human habitation.
III. The river basins of southeastern Rajasthan nurtured early Chalcolithic farming communities.
Which of the above statement(s) is/are correct?
I. The Aravalli range provided abundant raw stone materials for Palaeolithic humans.
II. The western desert region of Thar shows an absolute absence of any prehistoric human habitation.
III. The river basins of southeastern Rajasthan nurtured early Chalcolithic farming communities.
Which of the above statement(s) is/are correct?
Explanation
The Aravalli range was essential for early humans as it offered abundant quartzite for tool production. While the Thar desert was once thought to be uninhabited, archaeological evidence confirms prehistoric habitation during wetter periods. Meanwhile, the fertile river basins in southeastern Rajasthan became crucial hubs for Chalcolithic farming communities, supporting settled life through reliable water and fertile soil resources for agriculture.
Q20. Consider the following statements regarding the Kalibangan site of the Indus Valley Civilisation:
I. It is located on the banks of the Ghaggar river in Rajasthan.
II. Evidence of a ploughed field was discovered outside the fort wall.
III. A dockyard similar to the one at Lothal was excavated here.
Which of the combination of statements given above is correct?
I. It is located on the banks of the Ghaggar river in Rajasthan.
II. Evidence of a ploughed field was discovered outside the fort wall.
III. A dockyard similar to the one at Lothal was excavated here.
Which of the combination of statements given above is correct?
Explanation
Kalibangan, situated in Rajasthan on the banks of the Ghaggar River, provides critical evidence of early agricultural techniques. Excavations revealed a ploughed field surface with intersecting furrows, suggesting the cultivation of multiple crops simultaneously. Unlike Lothal, which featured a famous maritime dockyard, Kalibangan lacks such a structure, focusing more on agricultural and domestic ritual activities throughout its history.Answer key for these questions
| Q | Correct answer |
|---|---|
| 11 | (a) Pure nominal GDP expansion |
| 12 | (a) To provide a standard baseline for comparison with the test group |
| 13 | (c) V.N. Misra |
| 14 | (c) Every house had its own courtyard and bathroom connected to the street drains. |
| 15 | (a) A-iii, B-i, C-iv, D-ii |
| 16 | (c) The uplifted blocks are termed as grabens. |
| 17 | (c) Real national income increases without reducing poverty or inequality. |
| 18 | (c) Inductive reasoning |
| 19 | (c) I and III only |
| 20 | (d) I and II only |
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.