Q101. Which of the following is considered a major limitation of using per capita income as an indicator of economic development?
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Q102. Which of the following statements about friction is incorrect?
Explanation
Friction is a force that opposes relative motion between surfaces in contact. While sliding friction occurs when one surface moves over another, rolling friction occurs when an object rolls. Rolling friction is significantly lower than sliding friction, which is why wheels move heavy loads efficiently. Additionally, sliding friction is generally less than the static friction required to initiate movement from rest.
Q103. Match List-I with List-II regarding prehistoric sites and their associated river basins in Rajasthan:
| Prehistoric Site/Region | Associated River Basin |
|---|---|
| A. Bagor | i. Ghaggar |
| B. Ganeshwar | ii. Kothari |
| C. Kalibangan | iii. Kantli |
| D. Luni Industry sites | iv. Luni |
Explanation
Prehistoric sites in Rajasthan are closely linked to river systems. Bagor is situated on the Kothari river, while Ganeshwar flourished in the Kantli basin. Kalibangan is a major Harappan site located in the Ghaggar-Hakra valley. Furthermore, the Luni Industry sites are concentrated within the Luni river basin, reflecting the essential role of water resources in determining human settlement patterns.
Q104. The Indus script was predominantly written in a style where the first line is from right to left and the second line is from left to right. What is this writing style called?
Explanation
The Harappan script remains undeciphered, but its writing direction has been analyzed through the crowding of symbols on seals. It was typically written in a style called boustrophedon, where the first line flows from right to left and the subsequent line from left to right. This bidirectional method of writing is a distinct feature of several ancient world scripts.
Q105. Consider the following statements regarding the members and working of the Constituent Assembly:
I. Dr. Sachchidananda Sinha was elected as the temporary President of the Assembly following the French practice.
II. Dr. Rajendra Prasad was elected as the permanent President of the Assembly.
III. H. C. Mukherjee and V. T. Krishnamachari were elected as the Vice-Presidents of the Assembly.
IV. Sir B. N. Rau was appointed as the Constitutional Advisor to the Assembly.
V. Mahatma Gandhi was a prominent member of the Constituent Assembly.
Which of the above combination of statements is incorrect?
I. Dr. Sachchidananda Sinha was elected as the temporary President of the Assembly following the French practice.
II. Dr. Rajendra Prasad was elected as the permanent President of the Assembly.
III. H. C. Mukherjee and V. T. Krishnamachari were elected as the Vice-Presidents of the Assembly.
IV. Sir B. N. Rau was appointed as the Constitutional Advisor to the Assembly.
V. Mahatma Gandhi was a prominent member of the Constituent Assembly.
Which of the above combination of statements is incorrect?
Explanation
While the Constituent Assembly included almost all prominent personalities of India at that time, Mahatma Gandhi was a notable exception as he chose not to be a member of the body. In contrast, Dr. Sachchidananda Sinha was the temporary president, Dr. Rajendra Prasad was the permanent president, and H. C. Mukherjee alongside V. T. Krishnamachari served as vice-presidents throughout.
Q106. The following question consists of two statements: one labeled Assertion (A) and the other labeled Reason (R).
Assertion (A): The Tibetan Plateau plays a crucial role in the development of the Indian Summer Monsoon.
Reason (R): The intense summer heating of the Tibetan Plateau establishes a strong thermal low-pressure area, drawing moisture-laden winds from the Indian Ocean.
Which of the following is correct in the context of the above statements?
Assertion (A): The Tibetan Plateau plays a crucial role in the development of the Indian Summer Monsoon.
Reason (R): The intense summer heating of the Tibetan Plateau establishes a strong thermal low-pressure area, drawing moisture-laden winds from the Indian Ocean.
Which of the following is correct in the context of the above statements?
Explanation
The Tibetan Plateau is crucial for the Indian Summer Monsoon. During summer, this vast, high-altitude region absorbs significant solar radiation, becoming much warmer than the surrounding atmosphere. This heating creates a strong thermal low-pressure cell. This pressure gradient draws moisture-laden winds from the high-pressure area over the Indian Ocean toward the subcontinent, resulting in the seasonal monsoon rains.
Q107. Per capita income is often criticized for masking the reality of human welfare because it excludes:
Explanation
Per capita income excludes several non-monetary factors that contribute significantly to human well-being. It does not account for unpaid domestic labor, which is essential for household stability, nor does it value leisure time. Furthermore, it ignores environmental health and social safety. Because these elements are not traded in markets, they are omitted from traditional national income accounting and welfare assessments.
Q108. Impulse is dimensionally equivalent to which of the following quantities?
Explanation
Impulse is defined as the product of the average force applied to an object and the time interval during which it acts. According to the impulse-momentum theorem, this quantity is equal to the change in the object’s momentum. Therefore, both impulse and momentum share the same physical dimensions and units, typically expressed in Newton-seconds or kilogram-meters per second in the SI system.
Q109. Identify the correct pair regarding Middle Palaeolithic culture in Rajasthan.
Explanation
The Middle Palaeolithic culture in Rajasthan is distinguished by advanced flake-tool technologies. One of the hallmark methods used was the Levallois technique, which involved preparing a stone core to strike off flakes of a predetermined size and shape. This period saw a transition from heavy core tools to more specialized implements like scrapers and points, reflecting increased manual dexterity and planning.
Q110. 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): The Harappans worshipped nature in various forms, including trees and animals.
Reason (R): Seals depicting a deity seated in a yogic posture surrounded by animals have been widely interpreted as an early form of Lord Shiva (Pashupati).
Assertion (A) and the other as Reason (R). Select the correct option from the choices given below:
Assertion (A): The Harappans worshipped nature in various forms, including trees and animals.
Reason (R): Seals depicting a deity seated in a yogic posture surrounded by animals have been widely interpreted as an early form of Lord Shiva (Pashupati).
Explanation
The Harappans practiced various forms of nature worship, including the veneration of trees and animals. Seals depicting a seated deity surrounded by animals, often identified as Pashupati, provide evidence of early religious concepts. While both statements are factually correct, the existence of the Pashupati seal serves as a specific instance of deity worship rather than a general explanation.Answer key for these questions
| Q | Correct answer |
|---|---|
| 101 | (b) Income distribution neglect |
| 102 | (b) Rolling friction is greater than sliding friction |
| 103 | (a) A-ii, B-iii, C-i, D-iv |
| 104 | (a) Boustrophedon |
| 105 | (a) V only |
| 106 | (a) Both A and R are true and R is the correct explanation of A. |
| 107 | (a) Unpaid domestic work and leisure time. |
| 108 | (a) Change in momentum |
| 109 | (c) Primary tool making technique - Levallois technique |
| 110 | (b) Both A and R are true but R is not the correct explanation of A. |
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.