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
With reference to the Sixth Schedule of the Indian Constitution, consider the following statements:
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It provides for the administration of tribal areas in Assam, Meghalaya, Tripura, and Manipur.
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The power to increase or decrease the areas or alter the boundaries of Autonomous Districts and Regions lies with the President of India.
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While the Councils have power to levy taxes on professions, animals, vehicles, and markets, they cannot receive grants-in-aid from the Consolidated Fund of India.
How many of the above statements are incorrect?
Correct
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Solution: (c)
Explanation:
- Statement 1: The Sixth Schedule applies to tribal areas of Assam, Meghalaya, Tripura, and Mizoram. This statement is incorrect
- Statement 2: This power rests with the Governor, not the President. This statement is incorrect
Statement 3: ADCs can levy taxes and receive grants-in-aid from the Consolidated Fund of India. This statement is incorrect
Incorrect
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Solution: (c)
Explanation:
- Statement 1: The Sixth Schedule applies to tribal areas of Assam, Meghalaya, Tripura, and Mizoram. This statement is incorrect
- Statement 2: This power rests with the Governor, not the President. This statement is incorrect
Statement 3: ADCs can levy taxes and receive grants-in-aid from the Consolidated Fund of India. This statement is incorrect
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Question 2 of 5
2. Question
With reference to optical fibres, consider the following statements:
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The efficiency of signal transmission in an optical fibre largely depends on maintaining the critical angle for total internal reflection at the core–cladding boundary.
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Dispersion in optical fibres, which causes pulse broadening, is a key factor limiting data transmission speed over long distances.
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Multi-mode fibres are more suitable than single-mode fibres for long-distance, high-bandwidth communication.
How many of the statements given above are correct?
Correct
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Solution: (b)
Explanation:
- Statement 1: Optical fibres rely on total internal reflection, which requires the light to strike the core–cladding boundary at or above the critical angle. This ensures minimal signal loss. This statement is Correct
- Statement 2: Dispersion (modal, chromatic, or material) spreads out light pulses, reducing clarity of signals at high speeds. It’s a limiting factor in long-distance communication. This statement is Correct
Statement 3 : For long-distance, high-bandwidth communication, single-mode fibres are preferred as they avoid modal dispersion; multi-mode fibres are best for short distances. This statement is Incorrect
Incorrect
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Solution: (b)
Explanation:
- Statement 1: Optical fibres rely on total internal reflection, which requires the light to strike the core–cladding boundary at or above the critical angle. This ensures minimal signal loss. This statement is Correct
- Statement 2: Dispersion (modal, chromatic, or material) spreads out light pulses, reducing clarity of signals at high speeds. It’s a limiting factor in long-distance communication. This statement is Correct
Statement 3 : For long-distance, high-bandwidth communication, single-mode fibres are preferred as they avoid modal dispersion; multi-mode fibres are best for short distances. This statement is Incorrect
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Question 3 of 5
3. Question
Which of the following best describes a quasi-moon?
Correct
Solution: (b)
Explanation:
- Option (a): A natural satellite permanently orbiting Earth describes our Moon, not a quasi-moon. This option is incorrect
- Option (b): A quasi-moon is an asteroid or small body that orbits the Sun, but its orbital period is almost the same as Earth’s, so it appears to travel alongside Earth in a stable resonance. Example: 2025 PN7, 469219 Kamo‘oalewa. This option is correct
- Option (c): A fragment of the Moon temporarily captured by Earth’s gravity would be a mini-moon, not a quasi-moon. This option is incorrect
Option (d): No dwarf planet shares an orbit with Earth; this does not describe quasi-moons. This option is incorrect
Incorrect
Solution: (b)
Explanation:
- Option (a): A natural satellite permanently orbiting Earth describes our Moon, not a quasi-moon. This option is incorrect
- Option (b): A quasi-moon is an asteroid or small body that orbits the Sun, but its orbital period is almost the same as Earth’s, so it appears to travel alongside Earth in a stable resonance. Example: 2025 PN7, 469219 Kamo‘oalewa. This option is correct
- Option (c): A fragment of the Moon temporarily captured by Earth’s gravity would be a mini-moon, not a quasi-moon. This option is incorrect
Option (d): No dwarf planet shares an orbit with Earth; this does not describe quasi-moons. This option is incorrect
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Question 4 of 5
4. Question
SALT Agreements, INF Treaty, and New START Treaty, which were recently in news, are related to:
Correct
Solution: (c)
Explanation:
- SALT (Strategic Arms Limitation Talks) limited ballistic missile systems (1970s).
- INF Treaty (1987) eliminated intermediate-range nuclear missiles (500–5,500 km).
New START Treaty (2010) limits deployed strategic warheads (1,550 each) and delivery systems (700 each).
These are all nuclear arms control treaties between the USA and Russia.Incorrect
Solution: (c)
Explanation:
- SALT (Strategic Arms Limitation Talks) limited ballistic missile systems (1970s).
- INF Treaty (1987) eliminated intermediate-range nuclear missiles (500–5,500 km).
New START Treaty (2010) limits deployed strategic warheads (1,550 each) and delivery systems (700 each).
These are all nuclear arms control treaties between the USA and Russia. -
Question 5 of 5
5. Question
Consider the following statements:
Statement I: Allowing Foreign Portfolio Investors (FPIs) to trade in non-agricultural commodity derivatives would help deepen India’s commodity market and improve price discovery.
Statement II: FPIs’ participation would enhance market liquidity by extending trading activity beyond the near-month contracts.
Statement III: FPIs are currently permitted to trade in all commodity derivatives including precious metals, base metals, and energy contracts.
Which one of the following is correct in respect of the above statements?
Correct
Solution: (c)
Explanation:
- Statement I –: The SEBI proposal aims to broaden the commodity derivatives market, increase liquidity, and aid price discovery. This statement is Correct
- Statement II –: At present, liquidity in commodity derivatives is concentrated in near-month contracts; FPIs’ entry would extend depth beyond that. This statement is Correct, thereby explaining Statement I.
Statement III –: FPIs are not allowed to trade in all commodity derivatives; they are currently restricted and cannot trade in precious and base metals (like gold, silver, zinc) — the proposal seeks to change this. This statement is Incorrect
Incorrect
Solution: (c)
Explanation:
- Statement I –: The SEBI proposal aims to broaden the commodity derivatives market, increase liquidity, and aid price discovery. This statement is Correct
- Statement II –: At present, liquidity in commodity derivatives is concentrated in near-month contracts; FPIs’ entry would extend depth beyond that. This statement is Correct, thereby explaining Statement I.
Statement III –: FPIs are not allowed to trade in all commodity derivatives; they are currently restricted and cannot trade in precious and base metals (like gold, silver, zinc) — the proposal seeks to change this. This statement is Incorrect
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