Q131. Which of the following factors is widely considered the most crucial for long-term sustained economic growth according to endogenous growth theory?
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Q132. Consider the following statements about mass and weight:
I. Mass is a scalar quantity, while weight is a vector quantity.
II. The mass of a body remains constant everywhere in the universe.
III. Weight is the gravitational force acting on an object.
IV. A body can have zero mass but non-zero weight in space.
Which of the above statement(s) is/are correct?
I. Mass is a scalar quantity, while weight is a vector quantity.
II. The mass of a body remains constant everywhere in the universe.
III. Weight is the gravitational force acting on an object.
IV. A body can have zero mass but non-zero weight in space.
Which of the above statement(s) is/are correct?
Explanation
Mass is a fundamental scalar property representing the amount of matter in an object and remains constant regardless of location. Weight is a vector quantity representing the gravitational force acting on that mass and varies based on gravity’s strength. While weight can become zero in certain conditions, such as deep space, mass can never be zero for any physical object or body.
Q133. What was a major shift in raw material procurement from the Lower to the Middle Palaeolithic period in western Rajasthan?
Explanation
A major technological transition occurred from the Lower to the Middle Palaeolithic in western Rajasthan regarding raw material selection. Early humans shifted from using coarse, bulky quartzite to finer, more siliceous stones such as chert, jasper, and agate. This change allowed for the production of smaller, sharper, and more refined flake tools, demonstrating an improved understanding of lithic properties and craftsmanship.
Q134. Identify the correct sequence of Harappan sites from North to South geographically.
Explanation
Geographically, the Harappan sites are spread across a vast area. Manda in Jammu and Kashmir is the northernmost site. Moving south, Harappa is located in the Punjab province of Pakistan. Further south lies Kalibangan in Rajasthan, India. Finally, Lothal is situated in Gujarat, near the Arabian Sea coast, representing the southern extent among the major urban centers listed.
Q135. On which date was the Drafting Committee of the Constituent Assembly constituted?
Explanation
The Drafting Committee was established on August 29, 1947, just a few days after India gained independence. This committee was tasked with the critical responsibility of preparing the draft of the new Constitution based on the reports of various other committees. Dr. B. R. Ambedkar was appointed as its Chairman, leading a group of seven distinguished members in this task.
Q136. The African Plateau is highly significant to the global economy primarily because:
Explanation
The African Plateau is a massive, elevated landmass that dominates the continent’s geography. It is of immense global economic importance due to its extraordinary mineral wealth. The region contains some of the world’s largest deposits of gold, diamonds, and copper, alongside significant amounts of cobalt and platinum. These resources drive mining industries and international trade, supporting the economies of many African nations.
Q137. A lower Incremental Capital-Output Ratio (ICOR) indicates:
Explanation
The Incremental Capital-Output Ratio measures the amount of additional capital required to produce one extra unit of output. A lower ratio suggests that the economy is highly efficient, as it requires less investment to achieve a specific growth target. This efficiency often results from advanced technology, skilled labor, or better resource management. Conversely, a high ratio indicates wasteful or inefficient investment.
Q138. The acceleration due to gravity (g) on the surface of the Earth is maximum at:
Explanation
Acceleration due to gravity varies across the Earth’s surface due to its flattened shape and rotation. The planet is an oblate spheroid, meaning the distance from the center to the surface is shortest at the poles. Because gravitational pull is stronger when closer to the center, the value of g reaches its maximum at the poles and its minimum at the equator.
Q139. Select the correct chronological sequence of Palaeolithic periods in Rajasthan, generally characterized by progressive reduction in tool size:
Explanation
The Palaeolithic era in Rajasthan follows a standard chronological progression characterized by the gradual refinement and reduction in the size of stone tools. It begins with the Lower Palaeolithic, featuring heavy handaxes. This is followed by the Middle Palaeolithic, focused on flake tools. Finally, the Upper Palaeolithic emerges, introducing sophisticated blade and burin technologies, reflecting increasing human cognitive and technical complexity.
Q140. Consider the following statements regarding the findings at Kalibangan:
I. Evidence of fire altars indicates the practice of a fire cult.
II. It has yielded clear evidence of both pre- Harappan and mature Harappan phases.
III. A massive granary comparable to that of Mohenjo-daro was discovered here.
Which of the combination of statements given above is correct?
I. Evidence of fire altars indicates the practice of a fire cult.
II. It has yielded clear evidence of both pre- Harappan and mature Harappan phases.
III. A massive granary comparable to that of Mohenjo-daro was discovered here.
Which of the combination of statements given above is correct?
Explanation
Kalibangan is notable for providing evidence of both pre-Harappan and mature Harappan cultural phases. The discovery of fire altars suggests that the inhabitants practiced specific ritualistic fire cults. While the site features significant urban structures and agricultural evidence like ploughed fields, it does not possess a massive granary comparable in scale to those found at Harappa or Mohenjo-daro.Answer key for these questions
| Q | Correct answer |
|---|---|
| 131 | (b) Technological innovation |
| 132 | (a) I, II and III |
| 133 | (d) A shift from coarse quartzite to fine-grained siliceous stones like chert and jasper |
| 134 | (a) Manda, Harappa, Kalibangan, Lothal |
| 135 | (c) 29 August 1947 |
| 136 | (d) Vast reserves of gold, diamonds, and copper |
| 137 | (d) The economy is producing output more efficiently with the available capital. |
| 138 | (d) The poles |
| 139 | (c) Lower Palaeolithic Middle Palaeolithic Upper Palaeolithic |
| 140 | (a) 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.