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
Q1. Consider the following statements regarding lunar phenomena:
- A Blue Moon always refers to the second Full Moon occurring within a calendar month.
- A Micromoon occurs when the Full Moon is observed near the Moon’s apogee.
- A Blue Micromoon is relatively rare because it requires the alignment of two independent lunar cycles.
Which of the statements given above is/are correct?
Correct
Q.1) Solution (a)
Explanation:
- Statement 1 is incorrect. UPSC may exploit the ambiguity surrounding the term “Blue Moon.”
Traditionally, a Blue Moon refers to the third Full Moon in a season containing four Full Moons, while the modern popular usage defines it as the second Full Moon in a calendar month. Hence “always” makes the statement incorrect.
- Statement 2 is correct because a Micromoon occurs when a Full Moon is near the Moon’s apogee, making it appear slightly smaller and dimmer.
- Statement 3 is correct since a Blue Micromoon combines two distinct astronomical cycles—one governing Full Moon occurrence and another governing the Moon’s distance from Earth. Their coincidence is relatively infrequent, making the event rare.
Why this question?
Tests UPSC’s preference for alternative scientific definitions.Why important for UPSC?
Moon phases and orbital mechanics are recurring astronomy themes.PYQ Pattern Link
Similar to UPSC questions on eclipses, tides and celestial mechanics.Q2. With reference to meteoroids, meteors, bolides and meteorites, consider the following:
- A bolide is necessarily a meteorite that reaches the Earth’s surface.
- A superbolide is generally brighter than a typical bolide.
- A meteoroid becomes a meteor only after entering Earth’s atmosphere.
Which of the statements given above is/are correct?
- 2 and 3 only
- 1 and 2 only
- 3 only
- 1, 2 and 3
Q.2) Solution (a)
Explanation:
- Statement 1 is incorrect. A bolide is an exceptionally bright meteor or fireball and often explodes in the atmosphere. It need not survive atmospheric entry to become a meteorite.
- Statement 2 is correct because a superbolide represents an even brighter category, generally having an apparent magnitude of –17 or brighter.
- Statement 3 is correct. The terminology sequence is important: an object in space is a meteoroid; upon atmospheric entry producing a streak of light, it becomes a meteor; if fragments survive to reach the ground, they are termed meteorites.
UPSC frequently tests these subtle distinctions through elimination-based options.
Why this question?
Terminological confusion is the central conceptual trap.Why important for UPSC?
Space science and atmospheric events are high-frequency areas.PYQ Pattern Link
Similar to UPSC distinctions among asteroid, comet and meteor.Incorrect
Q.1) Solution (a)
Explanation:
- Statement 1 is incorrect. UPSC may exploit the ambiguity surrounding the term “Blue Moon.”
Traditionally, a Blue Moon refers to the third Full Moon in a season containing four Full Moons, while the modern popular usage defines it as the second Full Moon in a calendar month. Hence “always” makes the statement incorrect.
- Statement 2 is correct because a Micromoon occurs when a Full Moon is near the Moon’s apogee, making it appear slightly smaller and dimmer.
- Statement 3 is correct since a Blue Micromoon combines two distinct astronomical cycles—one governing Full Moon occurrence and another governing the Moon’s distance from Earth. Their coincidence is relatively infrequent, making the event rare.
Why this question?
Tests UPSC’s preference for alternative scientific definitions.Why important for UPSC?
Moon phases and orbital mechanics are recurring astronomy themes.PYQ Pattern Link
Similar to UPSC questions on eclipses, tides and celestial mechanics.Q2. With reference to meteoroids, meteors, bolides and meteorites, consider the following:
- A bolide is necessarily a meteorite that reaches the Earth’s surface.
- A superbolide is generally brighter than a typical bolide.
- A meteoroid becomes a meteor only after entering Earth’s atmosphere.
Which of the statements given above is/are correct?
- 2 and 3 only
- 1 and 2 only
- 3 only
- 1, 2 and 3
Q.2) Solution (a)
Explanation:
- Statement 1 is incorrect. A bolide is an exceptionally bright meteor or fireball and often explodes in the atmosphere. It need not survive atmospheric entry to become a meteorite.
- Statement 2 is correct because a superbolide represents an even brighter category, generally having an apparent magnitude of –17 or brighter.
- Statement 3 is correct. The terminology sequence is important: an object in space is a meteoroid; upon atmospheric entry producing a streak of light, it becomes a meteor; if fragments survive to reach the ground, they are termed meteorites.
UPSC frequently tests these subtle distinctions through elimination-based options.
Why this question?
Terminological confusion is the central conceptual trap.Why important for UPSC?
Space science and atmospheric events are high-frequency areas.PYQ Pattern Link
Similar to UPSC distinctions among asteroid, comet and meteor. -
Question 2 of 5
2. Question
Q2. With reference to meteoroids, meteors, bolides and meteorites, consider the following:
- A bolide is necessarily a meteorite that reaches the Earth’s surface.
- A superbolide is generally brighter than a typical bolide.
- A meteoroid becomes a meteor only after entering Earth’s atmosphere.
Which of the statements given above is/are correct?
Correct
Q.2) Solution (a)
Explanation:
- Statement 1 is incorrect. A bolide is an exceptionally bright meteor or fireball and often explodes in the atmosphere. It need not survive atmospheric entry to become a meteorite.
- Statement 2 is correct because a superbolide represents an even brighter category, generally having an apparent magnitude of –17 or brighter.
- Statement 3 is correct. The terminology sequence is important: an object in space is a meteoroid; upon atmospheric entry producing a streak of light, it becomes a meteor; if fragments survive to reach the ground, they are termed meteorites.
UPSC frequently tests these subtle distinctions through elimination-based options.
Why this question?
Terminological confusion is the central conceptual trap.Why important for UPSC?
Space science and atmospheric events are high-frequency areas.PYQ Pattern Link
Similar to UPSC distinctions among asteroid, comet and meteor.Incorrect
Q.2) Solution (a)
Explanation:
- Statement 1 is incorrect. A bolide is an exceptionally bright meteor or fireball and often explodes in the atmosphere. It need not survive atmospheric entry to become a meteorite.
- Statement 2 is correct because a superbolide represents an even brighter category, generally having an apparent magnitude of –17 or brighter.
- Statement 3 is correct. The terminology sequence is important: an object in space is a meteoroid; upon atmospheric entry producing a streak of light, it becomes a meteor; if fragments survive to reach the ground, they are termed meteorites.
UPSC frequently tests these subtle distinctions through elimination-based options.
Why this question?
Terminological confusion is the central conceptual trap.Why important for UPSC?
Space science and atmospheric events are high-frequency areas.PYQ Pattern Link
Similar to UPSC distinctions among asteroid, comet and meteor. -
Question 3 of 5
3. Question
Q3. Consider the following statements regarding Zaynich:
- It combines Cefepime with Zidebactam.
- It is intended primarily against multidrug-resistant Gram-negative bacteria.
- It became the first fully indigenously developed Indian New Chemical Entity (NCE) to secure USFDA approval.
Which of the statements given above are correct?
Correct
Q.3) Solution (d)
Explanation:
All three statements are correct.
- Zaynich represents a significant milestone in India’s pharmaceutical innovation ecosystem.
- It combines Cefepime, a fourth-generation cephalosporin antibiotic, with Zidebactam, a first-in-class β-lactam enhancer.
- The drug is designed to combat multidrug-resistant Gram-negative pathogens such as E. coli, Klebsiella pneumoniae and Pseudomonas aeruginosa.
- Importantly, it became the first fully indigenously developed Indian New Chemical Entity (NCE) to obtain USFDA approval.
UPSC may use such developments to test concepts related to AMR, Gram-negative organisms, antibiotic classes and regulatory institutions such as CDSCO and USFDA.
Why this question?
Integrates microbiology, public health and innovation policy.Why important for UPSC?
AMR remains a major global and Indian health challenge.PYQ Pattern Link
Resembles UPSC questions on vaccines, drugs and biotechnology.Incorrect
Q.3) Solution (d)
Explanation:
All three statements are correct.
- Zaynich represents a significant milestone in India’s pharmaceutical innovation ecosystem.
- It combines Cefepime, a fourth-generation cephalosporin antibiotic, with Zidebactam, a first-in-class β-lactam enhancer.
- The drug is designed to combat multidrug-resistant Gram-negative pathogens such as E. coli, Klebsiella pneumoniae and Pseudomonas aeruginosa.
- Importantly, it became the first fully indigenously developed Indian New Chemical Entity (NCE) to obtain USFDA approval.
UPSC may use such developments to test concepts related to AMR, Gram-negative organisms, antibiotic classes and regulatory institutions such as CDSCO and USFDA.
Why this question?
Integrates microbiology, public health and innovation policy.Why important for UPSC?
AMR remains a major global and Indian health challenge.PYQ Pattern Link
Resembles UPSC questions on vaccines, drugs and biotechnology. -
Question 4 of 5
4. Question
Q4. Halma, sometimes seen in the news, is best described as:
Correct
Q.4) Solution (c)
Explanation:
Halma is an indigenous institution of the Bhil tribal community based on voluntary labour, mutual cooperation and collective action.
Community members gather without wages or contractual obligations to address common needs such as well restoration, water conservation, watershed development, house construction and agricultural work.
The system embodies principles of Shramdaan, reciprocity and social solidarity.
- Option (a) refers to shifting cultivation concepts.
- Option (b) misrepresents Halma as a judicial institution.
- Option (d) confuses it with sacred grove traditions.
UPSC increasingly focuses on indigenous knowledge systems and community-led environmental management, making such practices highly relevant.
Why this question?
Tests tribal cultural institutions beyond conventional anthropology.Why important for UPSC?
Links tribal affairs with sustainability and local governance.PYQ Pattern Link
Comparable to UPSC questions on sacred groves and traditional practices.Incorrect
Q.4) Solution (c)
Explanation:
Halma is an indigenous institution of the Bhil tribal community based on voluntary labour, mutual cooperation and collective action.
Community members gather without wages or contractual obligations to address common needs such as well restoration, water conservation, watershed development, house construction and agricultural work.
The system embodies principles of Shramdaan, reciprocity and social solidarity.
- Option (a) refers to shifting cultivation concepts.
- Option (b) misrepresents Halma as a judicial institution.
- Option (d) confuses it with sacred grove traditions.
UPSC increasingly focuses on indigenous knowledge systems and community-led environmental management, making such practices highly relevant.
Why this question?
Tests tribal cultural institutions beyond conventional anthropology.Why important for UPSC?
Links tribal affairs with sustainability and local governance.PYQ Pattern Link
Comparable to UPSC questions on sacred groves and traditional practices. -
Question 5 of 5
5. Question
Q5. Which one of the following characteristics makes Isobutanol particularly attractive for diesel blending compared to ethanol?
Correct
Q.5) Solution (b)
Explanation:
India is exploring isobutanol as a diesel-blending fuel because ethanol faces significant limitations in diesel engines, particularly poor miscibility and compatibility issues.
Isobutanol offers better blending characteristics with diesel and possesses a relatively higher flash point, making handling safer.
- Option (a) is incorrect because lower flash point would generally reduce safety.
- Option (c) is incorrect because isobutanol actually has a lower cetane number than diesel and may require additives for optimal performance.
- Option (d) is too absolute; no biofuel can universally eliminate all engine-related considerations.
UPSC often frames biofuel questions around comparative advantages rather than direct definitions.
Why this question?
Focuses on fuel-property comparison rather than simple facts.Why important for UPSC?
Biofuels are central to energy security and climate policy.PYQ Pattern Link
Similar to UPSC questions on ethanol blending and biodiesel.Incorrect
Q.5) Solution (b)
Explanation:
India is exploring isobutanol as a diesel-blending fuel because ethanol faces significant limitations in diesel engines, particularly poor miscibility and compatibility issues.
Isobutanol offers better blending characteristics with diesel and possesses a relatively higher flash point, making handling safer.
- Option (a) is incorrect because lower flash point would generally reduce safety.
- Option (c) is incorrect because isobutanol actually has a lower cetane number than diesel and may require additives for optimal performance.
- Option (d) is too absolute; no biofuel can universally eliminate all engine-related considerations.
UPSC often frames biofuel questions around comparative advantages rather than direct definitions.
Why this question?
Focuses on fuel-property comparison rather than simple facts.Why important for UPSC?
Biofuels are central to energy security and climate policy.PYQ Pattern Link
Similar to UPSC questions on ethanol blending and biodiesel.
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