Q1411. In temperate deciduous forests, trees shed their leaves in autumn. What is the primary ecological trigger and purpose for this phenomenon?
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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Q1412. Which of the following represents the correct sequence of policy rates generally maintained by the RBI in descending order of their magnitude under normal economic conditions?
Explanation
Under normal economic conditions, the corridor for interest rates is structured with the marginal standing facility at the top to penalize emergency borrowing. The repo rate acts as the primary signal rate in the middle. The reverse repo rate forms the floor, ensuring that the return on parking funds remains lower than the cost of borrowing from the central bank.
Q1413. Among the following, which is not a direct responsibility of the Department of Defence Research and Development (DoDRD)?
Explanation
This department is responsible for formulating research programs and providing technical guidance to the defense leadership. It manages numerous laboratories focused on modernizing military equipment through scientific advancement. However, the actual operational and tactical control of soldiers and units during active conflict remains the duty of the military services themselves. Scientific organizations support the defense infrastructure without exercising direct combat command.
Q1414. Consider the following statements regarding Bhinmal as a centre of education and learning in ancient Rajasthan:
I. It was the capital of the Gurjara region in ancient times.
II. The renowned mathematician and astronomer Brahmagupta resided here.
III. The Sanskrit poet Magha, author of Shishupala Vadha, was associated with this city.
IV. It was exclusively a center for Buddhist learning with no presence of Vedic or Jain scholars.
Which of the above statement(s) is/are correct?
I. It was the capital of the Gurjara region in ancient times.
II. The renowned mathematician and astronomer Brahmagupta resided here.
III. The Sanskrit poet Magha, author of Shishupala Vadha, was associated with this city.
IV. It was exclusively a center for Buddhist learning with no presence of Vedic or Jain scholars.
Which of the above statement(s) is/are correct?
Explanation
Bhinmal was a renowned center of education and the ancient capital of the Gurjara region. It was the residence of the famous mathematician Brahmagupta and the Sanskrit poet Magha. While it was a hub for diverse intellectual pursuits, it was not exclusively a Buddhist center; it hosted a vibrant mix of Vedic, Jain, and other scholarly traditions throughout the ancient period.
Q1415. The Jain philosophical doctrine of ‘Anekantavada’ primarily deals with which of the following concepts?
Explanation
Anekantavada is a core philosophical pillar of Jainism which posits that truth and reality are complex and have multiple aspects. It suggests that no single perspective can capture the absolute truth in its entirety. This doctrine encourages tolerance and intellectual humility, as it acknowledges that different viewpoints may all contain partial truths depending on the specific context or observer.
Q1416. Article 41 of the Constitution of India directs the State to secure the right to work, to education, and to public assistance in cases of:
Explanation
Article forty-one requires the state to secure the right to work, education, and public assistance within its economic limits. This assistance is specifically intended for citizens facing difficult circumstances such as unemployment, old age, sickness, or disablement. It reflects the social security aspirations of the Indian state to protect its most vulnerable populations from various forms of hardship.
Q1417. Consider the following statements regarding Mangrove forests:
I. They are found in tropical and subtropical intertidal regions.
II. They exhibit vivipary, where seeds germinate while still attached to the parent tree.
III. They possess pneumatophores which help them absorb oxygen directly from the air.
IV. They thrive exclusively in highly acidic freshwater lakes.
Which of the above statement(s) is/are correct?
I. They are found in tropical and subtropical intertidal regions.
II. They exhibit vivipary, where seeds germinate while still attached to the parent tree.
III. They possess pneumatophores which help them absorb oxygen directly from the air.
IV. They thrive exclusively in highly acidic freshwater lakes.
Which of the above statement(s) is/are correct?
Explanation
Mangroves are specialized coastal trees adapted to saline, intertidal environments. They utilize pneumatophores to access oxygen in waterlogged soils and exhibit vivipary, where seeds germinate while still attached to the parent. These forests are found in tropical and subtropical regions rather than freshwater lakes. Their unique roots provide stability against tides while filtering salt to ensure survival in harsh conditions.
Q1418. What is the immediate effect of the Reserve Bank of India purchasing government securities from the public under Open Market Operations?
Explanation
When the central bank buys government bonds from the public or financial institutions, it injects liquidity directly into the banking system. This increase in cash reserves enables banks to expand their lending activities to businesses and consumers. Such expansionary measures are typically used to stimulate economic activity, lower interest rates, and ensure adequate credit flow within the national financial system.
Q1419. Consider the following statements regarding the Integrated Guided Missile Development Programme (IGMDP):
I. It was launched in 1983 under the leadership of Dr. A.P.J. Abdul Kalam.
II. The programme was formally declared successful and completed in 2008.
III. It included the development of the BrahMos supersonic cruise missile.
Which of the above statement(s) is/are correct?
I. It was launched in 1983 under the leadership of Dr. A.P.J. Abdul Kalam.
II. The programme was formally declared successful and completed in 2008.
III. It included the development of the BrahMos supersonic cruise missile.
Which of the above statement(s) is/are correct?
Explanation
The integrated guided missile development program was initiated in 1983 under the visionary leadership of a prominent scientist. It focused on creating a family of indigenous missiles to ensure national security through self-reliance. After achieving its set objectives, the program was formally concluded in 2008. While it laid the foundation for missile technology, the BrahMos project was a separate joint venture effort.
Q1420. Archaeological excavations at various Chalcolithic sites in Rajasthan, such as Ahar and Balathal, indicate that the staple diet of the ancient inhabitants primarily included:
Explanation
Archaeological excavations at Chalcolithic sites like Ahar and Balathal indicate that the ancient inhabitants had a diversified diet. They practiced settled agriculture, cultivating staple crops such as rice, wheat, and barley. Furthermore, the recovery of various animal remains suggests that their diet also included products from domesticated animals, reflecting a subsistence strategy that combined both farming and livestock rearing.Answer key for these questions
| Q | Correct answer |
|---|---|
| 1411 | (a) Seasonal changes in temperature and daylight that trigger dormancy to prevent winter moisture loss |
| 1412 | (a) Marginal Standing Facility Rate, Repo Rate, Reverse Repo Rate |
| 1413 | (a) Tactical command of the Armed Forces during wartime. |
| 1414 | (a) I, II and III only |
| 1415 | (d) The manifold and complex nature of reality |
| 1416 | (d) Unemployment, old age, sickness, and disablement |
| 1417 | (c) I, II and III |
| 1418 | (d) Total money supply in the economy increases |
| 1419 | (a) I and II only |
| 1420 | (b) Rice, wheat, barley, and domesticated animal products |
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.