Q271. The famous Priest-King statue, made of steatite and depicting a bearded man wearing a trefoil-patterned shawl, was discovered at:
RAS Prelims MCQ Practice
9,654 RAS Prelims practice MCQs with the correct answer and a clear explanation for each. Filter by subject and chapter.
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Q272. Given below are two statements regarding the distinction between the adoption and enactment of the Constitution:
Statement I: The Constitution was adopted on 26 November 1949, signifying the completion of the drafting process.
Statement II: The date of commencement, 26 January 1950, is referred to in the Constitution itself as the date of its enactment.
Identify the correct option:
Statement I: The Constitution was adopted on 26 November 1949, signifying the completion of the drafting process.
Statement II: The date of commencement, 26 January 1950, is referred to in the Constitution itself as the date of its enactment.
Identify the correct option:
Explanation
The Constitution was indeed adopted on November 26, 1949, which signified that the drafting and approval process by the Constituent Assembly was complete. However, January 26, 1950, is officially referred to as the "date of commencement" of the Constitution, not the date of its enactment. The enactment took place on the same day as the adoption in November 1949.
Q273. Which of the following pairs concerning the types of plains and their characteristics is incorrectly matched?
Explanation
Lacustrine plains result from filled-in lakes, while karst plains form from dissolved limestone. Peneplains are created through long-term river erosion. However, till plains are not aeolian; they are formed by the deposition of unsorted glacial drift as a glacier melts. Aeolian plains, such as loess plains, are formed specifically by wind action. This distinction is vital for understanding various geomorphic processes.
Q274. Which of the following is the most appropriate example of a positive externality in consumption?
Explanation
Vaccination is a classic example of a positive externality because it benefits both the individual and the wider community. By becoming immune, the person reduces the likelihood of spreading the disease to others. This social benefit exceeds the private benefit to the individual. Because the market does not always account for these external gains, governments often provide vaccines for free or at a subsidy.
Q275. The amount of heat energy required to change 1 kg of a solid into a liquid at atmospheric pressure at its melting point is known as:
Explanation
The latent heat of fusion is the specific amount of thermal energy required to change a substance from its solid state to a liquid state without changing its temperature. This process occurs at the melting point under constant atmospheric pressure. The energy is used to break the molecular bonds within the solid lattice rather than increasing the kinetic energy of the particles themselves.
Q276. Which of the following statements incorrectly describes the Bagor culture?
Explanation
Bagor is a unique site showing a long, continuous sequence of human occupation. While it eventually transitioned toward a pastoral and agricultural economy, it was certainly not solely an agricultural community from its inception. The earliest phase was rooted in hunting and gathering. The archaeological record clearly demonstrates a gradual shift where hunting remained important even as animal husbandry and metal were introduced.
Q277. The inability of modern scholars to decipher the Indus script means that our current understanding of Harappan society relies almost entirely on:
Explanation
Because the Indus script remains undeciphered, historians cannot read the Harappans’ own records or literature. Consequently, all knowledge of their society, economy, and religion must be reconstructed from archaeological findings. This includes analyzing the layout of cities, the types of tools used, pottery styles, and the distribution of artifacts, providing a silent but detailed record of life.
Q278. Which of the following is the best definition of the ‘Preamble’ to the Constitution?
Explanation
The Preamble serves as an introductory statement that sets out the guiding purpose, principles, and philosophy of the Constitution. It provides a concise summary or the "essence" of the entire document. Jurist N.A. Palkhivala aptly described it as the "identity card of the Constitution," as it reflects the core values and aspirations that the subsequent articles seek to achieve.
Q279. Which geological agent is fundamentally responsible for the transport and deposition of material to create Loess plains?
Explanation
The fundamental agent responsible for creating Loess plains is the wind. It picks up fine-grained, mineral-rich silt from desert regions or glacial outwash areas and transports it over long distances. When the wind’s velocity decreases, this silt is deposited in thick layers, forming extensive and fertile plains. These landforms are characterized by their lack of horizontal stratification and high porosity.
Q280. When a negative externality exists in the production of a good, the free market will typically:
Explanation
When a production process creates a negative externality, the private cost to the firm is lower than the true social cost. Consequently, the market price remains artificially low, leading consumers to buy more of the good. The resulting equilibrium involves a higher quantity of production than what is socially optimal. This overproduction causes excessive environmental damage and represents an inefficient allocation of resources.Answer key for these questions
| Q | Correct answer |
|---|---|
| 271 | (d) Mohenjo-daro |
| 272 | (a) Statement I is correct but Statement II is incorrect |
| 273 | (d) Till Plains - Formed by fine-grained aeolian deposition |
| 274 | (b) An individual getting vaccinated against a contagious disease. |
| 275 | (d) Latent heat of fusion |
| 276 | (a) It was solely an agricultural community from its inception, completely detached from hunting |
| 277 | (a) Archaeological material culture and spatial analysis. |
| 278 | (a) An introduction containing the summary or essence of the entire Constitution. |
| 279 | (a) Wind |
| 280 | (a) Produce more than the socially optimal quantity of the good. |
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.