Q181. Which of the following statements regarding ostrich eggshell evidence in Rajasthan’s prehistory is incorrect?
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Q182. Who was the Director-General of the Archaeological Survey of India (ASI) when the formal announcement of the discovery of the Indus Valley Civilisation was made in 1924?
Explanation
Sir John Marshall served as the Director-General of the Archaeological Survey of India during a pivotal period of discovery. In 1924, he made the formal announcement to the world about the existence of a new, ancient civilization in the Indus Valley. This revelation fundamentally changed the understanding of Indian history, pushing the origins of urban life back by thousands of years.
Q183. The concept of the ‘Concurrent List’ in the Indian Constitution was borrowed from the Constitution of:
Explanation
The concept of the ‘Concurrent List’, which contains subjects on which both the Union and the State governments can legislate, was borrowed from the Constitution of Australia. Additionally, the Indian Constitution adopted other features from Australia, such as the freedom of trade, commerce, and intercourse, as well as the provision for a joint sitting of the two Houses of Parliament.
Q184. The Colorado Plateau in the United States is frequently cited as a classic example of which phenomenon?
Explanation
The Colorado Plateau in the southwestern United States is famous for its unique geological features. It consists of thick, horizontal layers of sedimentary rock that have been uplifted over time. The persistent erosional action of the Colorado River and its tributaries has carved deep, spectacular canyons into these layers. The Grand Canyon is the most prominent example of this long-term geological process.
Q185. Under which of the following conditions is the work done by a force equal to zero?
Explanation
Work is defined as the product of the force applied and the displacement in the direction of that force. Mathematically, it involves the cosine of the angle between the force and displacement vectors. When these vectors are perpendicular, the cosine of ninety degrees is zero, resulting in no work being performed. Examples include a person carrying a load horizontally at a constant speed.
Q186. The following question consists of two statements, Assertion (A) and Reason (R). Select the correct answer using the codes given below:
Assertion (A): Upper Palaeolithic sites are relatively fewer in western Rajasthan compared to Middle Palaeolithic sites.
Reason (R): Extreme hyper-aridity during the Last Glacial Maximum made the region largely inhospitable, causing human populations to migrate.
Assertion (A): Upper Palaeolithic sites are relatively fewer in western Rajasthan compared to Middle Palaeolithic sites.
Reason (R): Extreme hyper-aridity during the Last Glacial Maximum made the region largely inhospitable, causing human populations to migrate.
Explanation
Upper Palaeolithic sites are less frequent in western Rajasthan than Middle Palaeolithic sites due to environmental changes. During the Last Glacial Maximum, the region suffered from extreme hyper-aridity, making it largely inhospitable for human habitation. This climatic shift likely forced populations to migrate to more stable environments, resulting in a thinner archaeological record for this specific phase in the Thar desert.
Q187. Which of the following sites represents the westernmost boundary of the Indus Valley Civilisation?
Explanation
Sutkagen Dor, located in the Makran coast of Balochistan near the border with Iran, marks the westernmost boundary of the Indus Valley Civilisation. Situated on the Dasht River, it likely served as a vital maritime trading post connecting the Harappan world with the Persian Gulf and Mesopotamia. Its strategic location underscores the vast geographic reach of the civilization’s trade networks.
Q188. Identify the incorrect statement regarding the sources of the Indian Constitution:
Explanation
While the Indian Constitution borrowed the office of the President and the procedure for impeachment from the US Constitution, the specific method of the President’s election through an electoral college was actually adopted from the Irish Constitution. Other features like the suspension of rights during emergency (Germany) and procedure established by law (Japan) are correctly attributed to their respective sources.
Q189. Match List-I (Plateau) with List-II (Region/ Country) and select the correct answer using the codes given below:
| Plateau | Region/Country |
|---|---|
| A. Anatolian Plateau | i. Australia |
| B. Katanga Plateau | ii. Turkey |
| C. Kimberley Plateau | iii. North America |
| D. Mexican Plateau | iv. Democratic Republic of Congo |
Explanation
Plateaus are major landforms found on every continent. The Anatolian Plateau occupies much of Turkey, while the Katanga Plateau is a mineral-rich region in the Democratic Republic of Congo. The Kimberley Plateau is located in northwestern Australia. The Mexican Plateau is a large highland region in North America. Each plateau has distinct geological origins and provides essential resources to its respective region.
Q190. In the capability approach to development, "capabilities" are best understood as:
Explanation
Capabilities refer to the set of alternative combinations of functionings that are feasible for a person to achieve. Essentially, it represents an individual’s substantive freedom to choose between different ways of living. While functionings are the actual states reached, capabilities are the opportunities and freedoms available. This distinction emphasizes the importance of agency and choice in human development.Answer key for these questions
| Q | Correct answer |
|---|---|
| 181 | (a) They are exclusively found in Neolithic polished stone contexts |
| 182 | (a) John Marshall |
| 183 | (a) Australia |
| 184 | (a) Deeply incised sedimentary rock forming massive canyons |
| 185 | (a) When the force is perpendicular to the direction of displacement |
| 186 | (a) Both A and R are true and R is the correct explanation of A. |
| 187 | (b) Sutkagen Dor |
| 188 | (b) The method of election of the President was adopted from the US Constitution. |
| 189 | (b) A-ii, B-iv, C-i, D-iii |
| 190 | (b) Freedom to achieve functionings. |
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.