Q51. What was the basis of the allocation of seats to the British Indian Provinces and Princely States in the Constituent Assembly under the Cabinet Mission Plan?
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Q52. Residual mountains are primarily formed as a result of which of the following processes?
Explanation
Residual mountains, also known as mountains of circumdenudation, are formed when existing elevated landforms like plateaus or old mountain ranges are subjected to prolonged erosion. Agents such as wind, water, and ice wear away the softer rocks, leaving behind more resistant rock masses as standing peaks. The Aravalli Range in India is a classic example of this geological landform.
Q53. Consider the following statements regarding the methods of calculating GDP:
I. The Income Method calculates GDP by adding up all factor incomes generated in the production process.
II. The Expenditure Method calculates GDP by summing consumption, investment, government spending, and net exports.
III. The Value-Added Method involves adding the gross value added by all enterprises within the domestic territory.
IV. The results obtained from the three methods of calculating GDP theoretically differ based on the base year chosen.
Which of the above statement(s) is/are correct?
I. The Income Method calculates GDP by adding up all factor incomes generated in the production process.
II. The Expenditure Method calculates GDP by summing consumption, investment, government spending, and net exports.
III. The Value-Added Method involves adding the gross value added by all enterprises within the domestic territory.
IV. The results obtained from the three methods of calculating GDP theoretically differ based on the base year chosen.
Which of the above statement(s) is/are correct?
Explanation
The income, expenditure, and value-added methods are three distinct approaches used to calculate national output. The income method sums factor earnings like wages and profits. The expenditure method aggregates consumption, investment, and trade. The value-added method focuses on production stages. Theoretically, all three should yield the same result. The base year selection affects real values but not the fundamental methodology used.
Q54. Identify the incorrect statement about scientific models.
Explanation
Scientific models are simplified representations used to understand complex systems or predict future behaviors. They can be physical, mathematical, or conceptual tools that highlight essential features while ignoring irrelevant details. Because they are approximations, they are not exact replicas of reality. Models are dynamic and undergo constant revision or replacement as more accurate data and sophisticated technological observations become available.
Q55. The Amarpura formation in the Didwana region is primarily associated with which phase of prehistory?
Explanation
The Amarpura formation is a significant geological layer identified in the Didwana region of the Thar desert. It is primarily associated with the Lower Palaeolithic phase, containing numerous stone tools like handaxes and cleavers. This formation provides essential evidence for reconstructing the climatic conditions and human activities during the Pleistocene, highlighting the region’s suitability for early hunter-gatherer populations in Rajasthan.
Q56. Consider the following statements regarding Dholavira and select the correct option:
Statement I: It was divided into three principal divisions, unlike most Harappan cities which had two.
Statement II: It has yielded a large inscription comprising ten large-sized signs of the Harappan script.
Statement I: It was divided into three principal divisions, unlike most Harappan cities which had two.
Statement II: It has yielded a large inscription comprising ten large-sized signs of the Harappan script.
Explanation
Dholavira, located in Gujarat, exhibits unique urban planning features. Unlike the standard two-fold division of most Harappan cities, it was partitioned into three distinct sections: the citadel, middle town, and lower town. Additionally, it yielded a remarkable find of ten large-sized signs of the Harappan script, often referred to as a billboard, found near one of its gateways.
Q57. Given below are two statements: one is labelled as Assertion (A) and the other is labelled as
Reason (R).
Assertion (A): The Constituent Assembly of India was a partly elected and partly nominated body.
Reason (R): The members from the British Indian provinces were indirectly elected by the provincial assemblies, while the members from the princely states were nominated by their rulers.
Reason (R).
Assertion (A): The Constituent Assembly of India was a partly elected and partly nominated body.
Reason (R): The members from the British Indian provinces were indirectly elected by the provincial assemblies, while the members from the princely states were nominated by their rulers.
Explanation
The Constituent Assembly was characterized as a partly elected and partly nominated body because of its composition. Members representing the British Indian provinces were elected indirectly by the provincial legislative assemblies using the single transferable vote. In contrast, the seats assigned to the princely states were filled by representatives nominated by the rulers of those states rather than elections.
Q58. Which of the following represents the correct sequence of major continental mountain ranges in decreasing order of their approximate physical length?
Explanation
Continental mountain ranges vary significantly in physical extent. The Andes in South America is the longest range, followed by the Rocky Mountains in North America. The Himalayas in Asia, while having the highest peaks, rank third in total length. The Alps in Europe are considerably shorter in comparison to these three massive systems. This sequence reflects their respective continental spans.
Q59. Select the correct sequence of steps involved in estimating National Income using the Value- Added Method:
Explanation
Estimating national income via the value-added method begins with identifying all producing enterprises within the territory. These units are then classified into primary, secondary, and tertiary sectors. The gross value added for each sector is estimated and aggregated. Finally, adding net factor income from abroad converts the domestic product into national income, providing a comprehensive view of the entire economy.
Q60. When a researcher manipulates one factor to see its effect on another, the manipulated factor is called the:
Explanation
The independent variable is the specific factor that a researcher changes or controls to observe its effects. It acts as the hypothesized cause within an experiment. By systematically varying this factor while keeping others constant, scientists can measure how it influences the outcome, known as the dependent variable. This manipulation is fundamental to establishing clear relationships and understanding how different elements interact.Answer key for these questions
| Q | Correct answer |
|---|---|
| 51 | (c) Proportional representation based on respective population. |
| 52 | (c) Long-term denudation of an existing elevated area |
| 53 | (a) I, II and III only |
| 54 | (c) They are exact replicas of reality with no simplifications |
| 55 | (a) Lower Palaeolithic |
| 56 | (c) Both Statement I and Statement II are correct. |
| 57 | (a) Both A and R are true and R is the correct explanation of A. |
| 58 | (a) Andes, Rockies, Himalayas, Alps |
| 59 | (a) Identification of producing enterprises Classification into primary, secondary, and tertiary sectors Estimation of Gross Value Added Addition of Net Factor Income from Abroad to obtain National Income. |
| 60 | (a) Independent variable |
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.