Q171. Who introduced the final draft of the Constitution in the Constituent Assembly on November 4, 1948?
RAS Prelims MCQ Practice
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Q172. The Loess Plateau, highly susceptible to wind and water erosion, is primarily located in which country?
Explanation
The Loess Plateau is a unique geographical region located in north-central China. It is characterized by thick deposits of loess, which is fine-grained, wind-blown silt. This material is highly fertile but also extremely susceptible to erosion by wind and water. The Huang He, or Yellow River, flows through this region, carrying vast amounts of yellow silt derived from these deposits.
Q173. Consider the following characteristics related to the stages of economic growth model:
I. Traditional society is characterized by a ceiling on productivity due to limited technology.
II. During the take-off stage, net investment rises from about 5% to over 10% of national income.
III. Drive to maturity occurs when an economy can produce anything it chooses to produce.
IV. High mass consumption focuses predominantly on heavy industries and capital goods.
Which of the above statement(s) is/are correct?
I. Traditional society is characterized by a ceiling on productivity due to limited technology.
II. During the take-off stage, net investment rises from about 5% to over 10% of national income.
III. Drive to maturity occurs when an economy can produce anything it chooses to produce.
IV. High mass consumption focuses predominantly on heavy industries and capital goods.
Which of the above statement(s) is/are correct?
Explanation
Traditional societies face productivity ceilings due to limited technological knowledge. During take-off, investment must rise significantly to sustain growth. The drive to maturity stage reflects an economy’s ability to diversify into various industries. However, the age of high mass consumption focuses on consumer durables and social welfare, rather than being dominated by heavy industries and capital goods production.
Q174. Kepler’s second law of planetary motion, the law of equal areas, is a consequence of the conservation of:
Explanation
Kepler’s second law states that a line segment joining a planet and the Sun sweeps out equal areas during equal intervals of time. This phenomenon is a direct consequence of the conservation of angular momentum in a central force field. As a planet moves closer to the Sun, its orbital speed increases to ensure its total angular momentum remains constant throughout its orbit.
Q175. Match List-I with List-II regarding prehistoric characteristics and cultural phases:
| Prehistoric Characteristic | Specific Cultural Phase |
|---|---|
| A. Ostrich eggshell beads | i. Lower Palaeolithic |
| B. Handaxes | ii. Middle Palaeolithic |
| C. Levallois flakes | iii. Upper Palaeolithic |
| D. Geometric Microliths | iv. Mesolithic |
Explanation
Prehistoric phases are linked to specific material markers. Ostrich eggshell beads are hallmarks of the Upper Palaeolithic, while handaxes define the Lower Palaeolithic. Levallois flakes are characteristic of the Middle Palaeolithic’s specialized flake production. Finally, geometric microliths are the defining feature of the Mesolithic period, representing a shift toward miniature, hafted tools used by hunter-gatherer communities in various settings.
Q176. Given below are two statements, one labeled as
Assertion (A) and the other as Reason (R). Select the correct option from the choices given below:
Assertion (A): Rakhigarhi is currently considered the largest known city of the Indus Valley Civilisation.
Reason (R): Recent excavations in Haryana have revealed its extent to be much larger than Mohenjo-daro.
Assertion (A) and the other as Reason (R). Select the correct option from the choices given below:
Assertion (A): Rakhigarhi is currently considered the largest known city of the Indus Valley Civilisation.
Reason (R): Recent excavations in Haryana have revealed its extent to be much larger than Mohenjo-daro.
Explanation
Recent excavations at Rakhigarhi in Haryana have significantly expanded our understanding of the civilization’s scale. Findings indicate that Rakhigarhi’s total area exceeds that of Mohenjo-daro, previously thought to be the largest site. Consequently, Rakhigarhi is now recognized by archaeologists as the largest known city of the Indus Valley Civilisation, providing new insights into the scale of Harappan urbanism.
Q177. Match List I with List II and select the correct answer from the options given below:
| Borrowed Feature | Source Constitution |
|---|---|
| A. Fundamental Rights | i. British Constitution |
| B. Directive Principles of State Policy | ii. US Constitution |
| C. Cabinet form of Government | iii. Irish Constitution |
| D. Joint sitting of the two Houses of Parliament | iv. Australian Constitution |
Explanation
The Indian Constitution borrowed Fundamental Rights from the US Constitution and the Directive Principles of State Policy from the Irish Constitution. The cabinet form of government and the parliamentary system were largely inspired by the British Constitution. The provision for a joint sitting of the two Houses of Parliament to resolve deadlocks was taken from the Australian Constitution.
Q178. Which of the following is an accurate characteristic of continental plateaus?
Explanation
Continental plateaus are massive elevated landforms that rise sharply from the surrounding lowlands or the sea. They are typically located away from mountain ranges and represent stable portions of the Earth’s crust. Unlike intermontane plateaus, they are not enclosed by mountains. Examples include the Antarctic Plateau and the Brazilian Plateau. These regions often cover vast areas and have relatively level summits.
Q179. Which stage in the stages of economic growth model emphasizes the allocation of resources towards social welfare and security over further capital accumulation?
Explanation
The age of high mass consumption is the final stage in the growth model. In this phase, real per capita income rises to a point where a large number of people can afford more than basic necessities. Consequently, society shifts its focus toward the production of durable consumer goods and the provision of social welfare, security, and expanded public services.
Q180. Which of the following is an exception to the rule that all massive bodies fall at the same rate in a vacuum?
Explanation
In a vacuum, where air resistance is absent, all objects experience the same acceleration due to gravity regardless of their mass or shape. This principle, famously demonstrated by Galileo, confirms that a feather and a heavy coin will hit the ground simultaneously when dropped from the same height. Therefore, there are no exceptions to this rule in a truly friction-free environment.Answer key for these questions
| Q | Correct answer |
|---|---|
| 171 | (c) Dr. B. R. Ambedkar |
| 172 | (c) China |
| 173 | (a) I, II and III only |
| 174 | (c) Angular momentum |
| 175 | (a) A-iii, B-i, C-ii, D-iv |
| 176 | (a) Both A and R are true and R is the correct explanation of A. |
| 177 | (a) A-ii, B-iii, C-i, D-iv |
| 178 | (d) Extensive areas rising abruptly from bordering lowlands |
| 179 | (d) Age of high mass consumption |
| 180 | (d) There is no exception; all objects fall at the same rate in a vacuum |
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.