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:
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The Tejas Mk1A, unlike its Mk1 predecessor, is equipped with an indigenous AESA radar and mid-air refuelling capability, enhancing its range and situational awareness.
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The Tejas Mk1A procurement has been placed under the “Buy (Global)” category of the Defence Acquisition Procedure (DAP) 2020 to facilitate transfer of technology.
Which of the above statements is/are incorrect?
Correct
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Solution: (b)
Explanation:
- Statement 1: Mk1A includes the indigenous UTTAM AESA radar, electronic warfare suite, and mid-air refuelling probe, making it superior to Mk1. This statement is Correct
Statement 2: The 2025 procurement of 97 Mk1A jets is under the “Buy (India-IDDM)” category of DAP 2020, emphasizing maximum indigenous content, not “Buy (Global)”. This statement is Incorrect
Incorrect
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Solution: (b)
Explanation:
- Statement 1: Mk1A includes the indigenous UTTAM AESA radar, electronic warfare suite, and mid-air refuelling probe, making it superior to Mk1. This statement is Correct
Statement 2: The 2025 procurement of 97 Mk1A jets is under the “Buy (India-IDDM)” category of DAP 2020, emphasizing maximum indigenous content, not “Buy (Global)”. This statement is Incorrect
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Question 2 of 5
2. Question
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The term “Soilification”, recently in news, refers to:
Correct
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Solution: (c)
Explanation:
Soilification
- Meaning:
Soilification is a process of transforming loose, infertile sand (desert soil) into soil-like material that can support plant growth. - How it works:
- Uses polymers, bioformulations, or natural binders to cross-link sand particles.
- Improves soil aggregation and water retention capacity.
- Enriches the substrate with microbial activity to provide nutrients and resilience to crops.
- Key Objectives:
- Convert arid, barren desert land into productive agricultural fields.
- Reduce irrigation demand by retaining more water in sandy soils.
- Combat desertification and land degradation.
- Applications:
- Tested in Rajasthan’s Thar Desert for wheat, bajra, guar gum, and chickpea cultivation.
- Used in dry and semi-arid regions globally (China, Middle East, Africa) to reclaim deserts.
- Significance:
- Provides a sustainable land restoration method.
- Helps ensure food security in desert-prone countries.
- Supports climate change adaptation by reclaiming degraded lands.
Incorrect
-
Solution: (c)
Explanation:
Soilification
- Meaning:
Soilification is a process of transforming loose, infertile sand (desert soil) into soil-like material that can support plant growth. - How it works:
- Uses polymers, bioformulations, or natural binders to cross-link sand particles.
- Improves soil aggregation and water retention capacity.
- Enriches the substrate with microbial activity to provide nutrients and resilience to crops.
- Key Objectives:
- Convert arid, barren desert land into productive agricultural fields.
- Reduce irrigation demand by retaining more water in sandy soils.
- Combat desertification and land degradation.
- Applications:
- Tested in Rajasthan’s Thar Desert for wheat, bajra, guar gum, and chickpea cultivation.
- Used in dry and semi-arid regions globally (China, Middle East, Africa) to reclaim deserts.
- Significance:
- Provides a sustainable land restoration method.
- Helps ensure food security in desert-prone countries.
- Supports climate change adaptation by reclaiming degraded lands.
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Question 3 of 5
3. Question
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With reference to the MiG-21 fighter aircraft, consider the following statements:
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The MiG-21 was the first combat aircraft of the Indian Air Force to break the sound barrier in level flight.
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The MiG-21 was designed as an interceptor, but its delta-wing configuration gave it significant limitations in sustained turning performance.
Which of the above statements are correct?
Correct
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Solution: (c)
Explanation:
- Statement 1: MiG-21 was the first supersonic fighter of the IAF, capable of Mach 2, and first to break the sound barrier in level flight. This statement is correct
Statement 2: Originally designed as a point-defense interceptor, its delta-wing design allowed high speed and climb rate but restricted turning radius and endurance. This statement is correct
Incorrect
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Solution: (c)
Explanation:
- Statement 1: MiG-21 was the first supersonic fighter of the IAF, capable of Mach 2, and first to break the sound barrier in level flight. This statement is correct
Statement 2: Originally designed as a point-defense interceptor, its delta-wing design allowed high speed and climb rate but restricted turning radius and endurance. This statement is correct
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Question 4 of 5
4. Question
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With reference to H3N2 influenza, consider the following statements:
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H3N2 is a subtype of Influenza A virus that originated through reassortment between avian and human influenza viruses.
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H3N2 caused the 1968 Hong Kong Flu pandemic and continues to drive seasonal influenza outbreaks worldwide.
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Vulnerable groups like the elderly, children, pregnant women, and those with comorbidities are at greater risk of severe H3N2 infection.
How many of the above statements are correct?
Correct
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Solution: (c)
Explanation:
- Statement 1: H3N2 emerged in 1968 from reassortment of human and avian influenza genes. This statement is Correct
- Statement 2: It caused the Hong Kong Flu pandemic (1968) and since then has been a major strain in seasonal flu. This statement is Correct
Statement 3: High-risk groups (elderly, young children, pregnant women, immunocompromised, people with chronic illnesses) are more vulnerable to severe complications. This statement is Correct
Incorrect
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Solution: (c)
Explanation:
- Statement 1: H3N2 emerged in 1968 from reassortment of human and avian influenza genes. This statement is Correct
- Statement 2: It caused the Hong Kong Flu pandemic (1968) and since then has been a major strain in seasonal flu. This statement is Correct
Statement 3: High-risk groups (elderly, young children, pregnant women, immunocompromised, people with chronic illnesses) are more vulnerable to severe complications. This statement is Correct
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Question 5 of 5
5. Question
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Consider the following statements:
Statement I: The Reserve Bank of India intervenes in the foreign exchange market to contain excessive volatility in the value of the rupee.
Statement II: Selling US dollars from its forex reserves can help arrest the rupee’s slide by increasing dollar supply in the domestic market.
Statement III: Raising policy interest rates can attract foreign capital inflows, thereby stabilizing the rupee.
Which one of the following is correct in respect of the above statements?
Correct
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Solution: (a)
Explanation:
- Statement I: RBI’s mandate includes stabilizing the rupee against disorderly fluctuations. This statement is correct
- Statement II: By selling USD, RBI increases supply of dollars → rupee demand rises → supports the currency. This statement is correct
- Statement III: Higher repo rate → attracts FPI/FDI inflows → improves forex supply → supports the rupee. This statement is correct
- Both II and III are valid instruments explaining RBI’s intervention.
Incorrect
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Solution: (a)
Explanation:
- Statement I: RBI’s mandate includes stabilizing the rupee against disorderly fluctuations. This statement is correct
- Statement II: By selling USD, RBI increases supply of dollars → rupee demand rises → supports the currency. This statement is correct
- Statement III: Higher repo rate → attracts FPI/FDI inflows → improves forex supply → supports the rupee. This statement is correct
- Both II and III are valid instruments explaining RBI’s intervention.
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