Q41. The main difference between Nominal GDP and Real GDP is that Real GDP is adjusted for:
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Q42. A variable that is kept constant throughout a scientific experiment is known as a:
Explanation
Control variables are external factors purposefully kept unchanged throughout an experiment to ensure a fair test. By neutralizing these potential influences, researchers can confidently attribute any observed changes in the dependent variable solely to the manipulation of the independent variable. Maintaining constant conditions is essential for isolating specific cause-and-effect relationships and enhancing the overall validity and reliability of experimental results.
Q43. The following question consists of two statements, Assertion (A) and Reason (R). Select the correct answer using the codes given below:
Assertion (A): Early Palaeolithic humans in Rajasthan frequently settled along the Aravalli foothills and river basins.
Reason (R): These geographical zones provided continuous access to fresh water and suitable quartzite cobbles for making tools.
Assertion (A): Early Palaeolithic humans in Rajasthan frequently settled along the Aravalli foothills and river basins.
Reason (R): These geographical zones provided continuous access to fresh water and suitable quartzite cobbles for making tools.
Explanation
Early Palaeolithic populations in Rajasthan preferred settling near the Aravalli foothills and river basins for strategic reasons. These areas offered a reliable supply of fresh water and essential raw materials like quartzite for crafting stone tools. Such environmental advantages supported long-term habitation and provided the resources necessary for the survival and technological activities of early human groups during the Pleistocene epoch.
Q44. Match the material in List I with its primary source region in List II and select the correct answer.
| Artefact/Material | Primary Source Region |
|---|---|
| A. Lapis Lazuli | i. Khetri region of Rajasthan |
| B. Copper | ii. Shortughai in Afghanistan |
| C. Steatite | iii. Kolar in Karnataka |
| D. Gold | iv. South Rajasthan and North Gujarat |
Explanation
The Harappans established extensive trade networks to procure raw materials for crafts. Lapis Lazuli was imported from Shortughai in Afghanistan. Copper was primarily sourced from the Khetri mines in Rajasthan. Steatite, used for making seals, came from southern Rajasthan and northern Gujarat, while gold was obtained from the Kolar region in southern India to produce exquisite ornaments.
Q45. Match List I with List II and select the correct answer from the options given below:
| Cabinet Mission Member | Portfolio/Role |
|---|---|
| A. Lord Pethick-Lawrence | i. President of the Board of Trade |
| B. Sir Stafford Cripps | ii. First Lord of the Admiralty |
| C. A. V. Alexander | iii. Viceroy of India (Not a member but involved) |
| D. Lord Wavell | iv. Secretary of State for India |
Explanation
Lord Pethick-Lawrence served as the Secretary of State for India, while Sir Stafford Cripps was the President of the Board of Trade. A. V. Alexander held the position of the First Lord of the Admiralty. Together, they formed the Cabinet Mission. Lord Wavell participated in the negotiations in his capacity as the Viceroy of India but was not a member.
Q46. Consider the following statements regarding the Rocky Mountains:
I. They are a massive mountain range located in western North America.
II. They were formed during the Laramide orogeny.
III. They are predominantly block mountains formed by tensional forces.
IV. Mount Elbert is the highest peak in the Rocky Mountains.
Which of the above statement(s) is/are correct?
I. They are a massive mountain range located in western North America.
II. They were formed during the Laramide orogeny.
III. They are predominantly block mountains formed by tensional forces.
IV. Mount Elbert is the highest peak in the Rocky Mountains.
Which of the above statement(s) is/are correct?
Explanation
The Rocky Mountains are a massive fold mountain range in western North America, formed primarily during the Laramide orogeny. Unlike block mountains, they resulted from tectonic plate subduction and horizontal compression. Mount Elbert stands as the highest peak within this expansive system. These mountains are crucial for regional water supplies and host diverse wildlife habitats throughout their high-altitude environments.
Q47. In the value-added method of calculating GDP, which of the following is deducted from the value of output to avoid double counting?
Explanation
To calculate Gross Value Added, the cost of intermediate consumption is subtracted from the total value of output. Intermediate goods are materials or services used up in the production of final products. Deducting these costs ensures that each stage of production is counted only once. This prevents double counting and provides a precise measure of the value created by an enterprise.
Q48. Which of the following steps typically occurs last in the scientific method?
Explanation
Sharing findings with the scientific community represents the concluding stage of the scientific method. This process involves publishing research in peer-reviewed journals or presenting at conferences, allowing other scientists to evaluate, replicate, and build upon the work. Transparent communication is vital for collective knowledge advancement, as it subjects findings to public scrutiny and enables the integration of new data into existing knowledge.
Q49. Who among the following scholars was closely associated with the detailed stratigraphical study and excavation at Singi Talav?
Explanation
V.N. Misra was instrumental in the stratigraphic study and excavation of Singi Talav, which is a key Lower Palaeolithic site near Didwana. His rigorous archaeological methods helped uncover an early Acheulian tool tradition in a well-defined geological context. These findings were crucial for dating human presence in the Thar region and understanding the adaptation of early humans to ancient arid environments.
Q50. Arrange the following Harappan sites in the chronological order of their first extensive excavation, from earliest to latest:
I. Dholavira
II. Harappa
III. Lothal
IV. Mohenjo-daro
Select the correct order from the options given below:
I. Dholavira
II. Harappa
III. Lothal
IV. Mohenjo-daro
Select the correct order from the options given below:
Explanation
The systematic excavation of Indus Valley sites began with Harappa in 1921, followed by Mohenjo-daro in 1922. Lothal, located in Gujarat, was excavated much later in the 1950s by S.R. Rao. Dholavira, famous for its water management, was discovered by J.P. Joshi and extensively excavated in the 1990s by R.S. Bisht, making it a more recent discovery in archaeology.Answer key for these questions
| Q | Correct answer |
|---|---|
| 41 | (d) Price level changes (inflation) |
| 42 | (d) Control variable |
| 43 | (a) Both A and R are true and R is the correct explanation of A. |
| 44 | (a) A-ii, B-i, C-iv, D-iii |
| 45 | (a) A-iv, B-i, C-ii, D-iii |
| 46 | (b) I, II, and IV only |
| 47 | (a) Intermediate consumption value |
| 48 | (d) Communicating the results |
| 49 | (c) V.N. Misra |
| 50 | (c) II, IV, III, I |
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.