IASbaba Daily Prelims Quiz
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The Current Affairs questions are based on sources like ‘The Hindu’, ‘Indian Express’ and ‘PIB’, which are very important sources for UPSC Prelims Exam. The questions are focused on both the concepts and facts. The topics covered here are generally different from what is being covered under ‘Daily Current Affairs/Daily News Analysis (DNA) and Daily Static Quiz’ to avoid duplication. The questions would be published from Monday to Saturday before 2 PM. One should not spend more than 10 minutes on this initiative.
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Question 1 of 5
1. Question
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Consider the following statements
Assertion (A):
The merger of two black holes provides one of the cleanest sources for detecting gravitational waves.Reason (R):
Black hole mergers emit gravitational radiation without any accompanying electromagnetic signal, allowing scientists to study pure space-time dynamics.Which one of the following is correct in respect of the above statements?
Correct
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Solution: (a)
Explanation:
- Assertion: True. Black hole mergers are among the most predictable and strong sources of gravitational waves due to their extreme mass and acceleration.
- Reason: True. Since black holes have no matter to emit light or other electromagnetic radiation, the only detectable signal is gravitational — making it a “clean” probe of space-time, free from matter-based interference.
- R correctly explains A because the lack of electromagnetic noise allows scientists to isolate and analyze gravitational waves from such events with precision.
Incorrect
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Solution: (a)
Explanation:
- Assertion: True. Black hole mergers are among the most predictable and strong sources of gravitational waves due to their extreme mass and acceleration.
- Reason: True. Since black holes have no matter to emit light or other electromagnetic radiation, the only detectable signal is gravitational — making it a “clean” probe of space-time, free from matter-based interference.
- R correctly explains A because the lack of electromagnetic noise allows scientists to isolate and analyze gravitational waves from such events with precision.
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Question 2 of 5
2. Question
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Consider the following statements:
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Foreign Direct Investment (FDI) is generally more stable and long-term in nature compared to Foreign Portfolio Investment (FPI).
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FPI flows are more sensitive to short-term market volatility and interest rate differentials between countries.
Which of the above statements is/are correct?
Correct
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Solution: (c)
Explanation:
- Statement 1: FDI involves ownership and long-term investment in physical assets and enterprises, making it less prone to sudden withdrawal. Hence statement 1 is Correct
- Statement 2: FPI includes investments in financial assets like equities and bonds and can be withdrawn quickly in response to market fluctuations or interest rate changes globally. Hence statement 2 is Correct
Incorrect
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Solution: (c)
Explanation:
- Statement 1: FDI involves ownership and long-term investment in physical assets and enterprises, making it less prone to sudden withdrawal. Hence statement 1 is Correct
- Statement 2: FPI includes investments in financial assets like equities and bonds and can be withdrawn quickly in response to market fluctuations or interest rate changes globally. Hence statement 2 is Correct
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Question 3 of 5
3. Question
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Which of the following statements correctly differentiate between Prithvi-II and Agni-I missiles?
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Prithvi-II uses a liquid-fuel propulsion system, whereas Agni-I uses solid-fuel propulsion.
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Prithvi-II is primarily designed for tactical battlefield use, while Agni-I is intended for strategic deterrence.
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Agni-I is designed for deployment by the Indian Navy, whereas Prithvi-II is operated by the Indian Air Force.
Select the Solution using the code below:
Correct
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Solution: (a)
Explanation:
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- Statement 1:
- Prithvi-II uses liquid propulsion, which provides fine control and is typical of tactical missiles.
- Agni-I uses solid fuel, suitable for quick launch and long-range strategic use.
- Statement 1:
- Hence statement 1 is Correct
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- Statement 2:
- Prithvi-II is designed for tactical roles, including battlefield strikes.
- Agni-I, with a longer range and higher payload, is part of India’s nuclear deterrent strategy.
- Statement 2:
- Hence statement 2 is Correct
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- Statement 3:
- Agni-I is operated by the Indian Army, not Navy.
- Prithvi-II is mainly operated by the Strategic Forces Command, not specifically the Air Force (Prithvi-I was used by the Army; Prithvi-III by the Navy).
- Statement 3:
- Hence statement 3 is Incorrect
Incorrect
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Solution: (a)
Explanation:
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- Statement 1:
- Prithvi-II uses liquid propulsion, which provides fine control and is typical of tactical missiles.
- Agni-I uses solid fuel, suitable for quick launch and long-range strategic use.
- Statement 1:
- Hence statement 1 is Correct
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- Statement 2:
- Prithvi-II is designed for tactical roles, including battlefield strikes.
- Agni-I, with a longer range and higher payload, is part of India’s nuclear deterrent strategy.
- Statement 2:
- Hence statement 2 is Correct
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- Statement 3:
- Agni-I is operated by the Indian Army, not Navy.
- Prithvi-II is mainly operated by the Strategic Forces Command, not specifically the Air Force (Prithvi-I was used by the Army; Prithvi-III by the Navy).
- Statement 3:
- Hence statement 3 is Incorrect
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Question 4 of 5
4. Question
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With reference to notable women in Indian history who exercised political authority, consider the following pairs:
Personality Known For 1. Raziyya Sultan First Muslim woman to rule Delhi as Sultan 2. Nur Jahan Issued farmans and coins in her name during Jahangir’s reign 3. Rani Durgavati Fought against Mughal Emperor Akbar’s forces 4. Tarabai Led Maratha resistance against Aurangzeb 5. Begum Hazrat Mahal Played a major role in the 1857 revolt in Awadh How many of the above pairs are correctly matched?
Correct
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Solution: (c)
Explanation:
- Raziyya Sultan: She ruled as the Sultan of Delhi (1236–1240), the first and only woman to do so. Hence first pair is correct
- Nur Jahan: She exercised imperial power, issued orders (farmans), and had coins struck in her name. Hence second pair is correct
- Rani Durgavati: She led her kingdom’s defense against Mughal forces under Akbar in 1564. Hence third pair is correct
- Tarabai: She led the Marathas after her husband Rajaram’s death, resisting Aurangzeb’s forces. Hence fourth pair is correct
Begum Hazrat Mahal: A key figure in the 1857 rebellion, she opposed British control in Awadh. Hence fifth pair is correct
Incorrect
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Solution: (c)
Explanation:
- Raziyya Sultan: She ruled as the Sultan of Delhi (1236–1240), the first and only woman to do so. Hence first pair is correct
- Nur Jahan: She exercised imperial power, issued orders (farmans), and had coins struck in her name. Hence second pair is correct
- Rani Durgavati: She led her kingdom’s defense against Mughal forces under Akbar in 1564. Hence third pair is correct
- Tarabai: She led the Marathas after her husband Rajaram’s death, resisting Aurangzeb’s forces. Hence fourth pair is correct
Begum Hazrat Mahal: A key figure in the 1857 rebellion, she opposed British control in Awadh. Hence fifth pair is correct
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Question 5 of 5
5. Question
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With reference to the Periodic Labour Force Survey (PLFS) in India, consider the following statements:
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It provides employment-unemployment data using both Usual Status and Current Weekly Status approaches.
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It is conducted by the National Statistical Office under the Ministry of Labour and Employment.
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From January 2025, it adopted a rotational panel sampling method for monthly surveys.
Which of the statements given above is/are correct?
Correct
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Solution: (c)
Explanation:
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- Statement 1: PLFS uses both Usual Status (for annual estimates) and Current Weekly Status (for periodic estimates). Hence statement 1 is correct
- Statement 2: PLFS is conducted by the National Statistical Office (NSO) under the Ministry of Statistics and Programme Implementation, not the Ministry of Labour and Employment. Hence statement 2 is incorrect
- Statement 3: In January 2025, PLFS began using rotational panel sampling for monthly bulletins to improve frequency and accuracy. Hence statement 3 is correct
Incorrect
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Solution: (c)
Explanation:
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- Statement 1: PLFS uses both Usual Status (for annual estimates) and Current Weekly Status (for periodic estimates). Hence statement 1 is correct
- Statement 2: PLFS is conducted by the National Statistical Office (NSO) under the Ministry of Statistics and Programme Implementation, not the Ministry of Labour and Employment. Hence statement 2 is incorrect
- Statement 3: In January 2025, PLFS began using rotational panel sampling for monthly bulletins to improve frequency and accuracy. Hence statement 3 is correct
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