UPSC Editorials Quiz : 5 May 2025
Kartavya Desk Staff
Introducing QUED – Questions from Editorials (UPSC Editorials Quiz) , an innovative initiative from InsightsIAS. Considering the significant number of questions in previous UPSC Prelims from editorials, practicing MCQs from this perspective can provide an extra edge. While we cover important editorials separately in our Editorial Section and SECURE Initiative, adding QUED (UPSC Editorials Quiz) to your daily MCQ practice alongside Static Quiz, Current Affairs Quiz, and InstaDART can be crucial for better performance. We recommend utilizing this initiative to enhance your preparation, with 5 MCQs posted daily at 11 am from Monday to Saturday on our website under the QUIZ menu.
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• Question 1 of 5 1. Question Which of the following best describes a Flareless Coronal Mass Ejection (CME)? a) A CME that occurs exclusively in the presence of intense solar flares b) A CME that releases plasma without prior electromagnetic radiation bursts c) A CME that results in X-ray bursts stronger than typical solar flares d) A CME that originates only from the Sun’s polar regions Correct Solution: b) Explanation: Option a is incorrect – Unlike flare-associated CMEs, flareless CMEs occur without solar flares. Option b is correct – Flareless CMEs eject plasma and magnetic fields without strong X-ray or UV emissions. Option c is incorrect – They are not associated with strong X-ray bursts. Option d is incorrect – They can originate from any region of the Sun, not just the poles. What is a Flareless Coronal Mass Ejection? A flareless CME is a massive ejection of plasma and magnetic field from the Sun’s corona that occurs without an associated solar flare. Unlike typical CMEs, it does not release intense electromagnetic radiation before the eruption. It challenges existing models of solar activity, requiring new insights into magnetic instabilities. How Flareless CMEs Form? Magnetic Reconnection: Occurs when magnetic field lines rearrange in the Sun’s atmosphere, leading to energy release. Gradual Magnetic Build-up: Magnetic stress accumulates over time, eventually releasing plasma without a sudden energy burst. Flux Rope Eruption: A pre-existing twisted magnetic structure in the corona slowly becomes unstable and erupts outward. No Preceding Flare: Unlike typical CMEs, no strong X-ray or UV burst precedes the plasma ejection. Sunspot Influence: Often linked to regions with weak or decaying magnetic fields, where flare energy is insufficient. Key Features of Flareless CMEs: Low Energy Signature: No significant X-ray or radio emissions, making early detection difficult. Slower Ejection Speeds: Travels at lower velocities (~400–1,000 km/s) than flare-associated CMEs. Magnetically Driven: Initiated by gradual destabilization of coronal magnetic fields rather than impulsive energy release. Space Weather Impact: Can still trigger geomagnetic storms on Earth, affecting satellites and communication systems. Rare Phenomenon: Less frequently observed compared to flare-associated CMEs, requiring continuous solar monitoring. Incorrect Solution: b) Explanation: Option a is incorrect – Unlike flare-associated CMEs, flareless CMEs occur without solar flares. Option b is correct – Flareless CMEs eject plasma and magnetic fields without strong X-ray or UV emissions. Option c is incorrect – They are not associated with strong X-ray bursts. Option d is incorrect – They can originate from any region of the Sun, not just the poles. What is a Flareless Coronal Mass Ejection? A flareless CME is a massive ejection of plasma and magnetic field from the Sun’s corona that occurs without an associated solar flare. Unlike typical CMEs, it does not release intense electromagnetic radiation before the eruption. It challenges existing models of solar activity, requiring new insights into magnetic instabilities. How Flareless CMEs Form? Magnetic Reconnection: Occurs when magnetic field lines rearrange in the Sun’s atmosphere, leading to energy release. Gradual Magnetic Build-up: Magnetic stress accumulates over time, eventually releasing plasma without a sudden energy burst. Flux Rope Eruption: A pre-existing twisted magnetic structure in the corona slowly becomes unstable and erupts outward. No Preceding Flare: Unlike typical CMEs, no strong X-ray or UV burst precedes the plasma ejection. Sunspot Influence: Often linked to regions with weak or decaying magnetic fields, where flare energy is insufficient. Key Features of Flareless CMEs: Low Energy Signature: No significant X-ray or radio emissions, making early detection difficult. Slower Ejection Speeds: Travels at lower velocities (~400–1,000 km/s) than flare-associated CMEs. Magnetically Driven: Initiated by gradual destabilization of coronal magnetic fields rather than impulsive energy release. Space Weather Impact: Can still trigger geomagnetic storms on Earth, affecting satellites and communication systems. Rare Phenomenon: Less frequently observed compared to flare-associated CMEs, requiring continuous solar monitoring.
#### 1. Question
Which of the following best describes a Flareless Coronal Mass Ejection (CME)?
• a) A CME that occurs exclusively in the presence of intense solar flares
• b) A CME that releases plasma without prior electromagnetic radiation bursts
• c) A CME that results in X-ray bursts stronger than typical solar flares
• d) A CME that originates only from the Sun’s polar regions
Solution: b)
Explanation:
• Option a is incorrect – Unlike flare-associated CMEs, flareless CMEs occur without solar flares.
• Option b is correct – Flareless CMEs eject plasma and magnetic fields without strong X-ray or UV emissions.
• Option c is incorrect – They are not associated with strong X-ray bursts.
• Option d is incorrect – They can originate from any region of the Sun, not just the poles.
• What is a Flareless Coronal Mass Ejection? A flareless CME is a massive ejection of plasma and magnetic field from the Sun’s corona that occurs without an associated solar flare. Unlike typical CMEs, it does not release intense electromagnetic radiation before the eruption. It challenges existing models of solar activity, requiring new insights into magnetic instabilities.
• A flareless CME is a massive ejection of plasma and magnetic field from the Sun’s corona that occurs without an associated solar flare.
• Unlike typical CMEs, it does not release intense electromagnetic radiation before the eruption.
• It challenges existing models of solar activity, requiring new insights into magnetic instabilities.
• How Flareless CMEs Form? Magnetic Reconnection: Occurs when magnetic field lines rearrange in the Sun’s atmosphere, leading to energy release. Gradual Magnetic Build-up: Magnetic stress accumulates over time, eventually releasing plasma without a sudden energy burst. Flux Rope Eruption: A pre-existing twisted magnetic structure in the corona slowly becomes unstable and erupts outward. No Preceding Flare: Unlike typical CMEs, no strong X-ray or UV burst precedes the plasma ejection. Sunspot Influence: Often linked to regions with weak or decaying magnetic fields, where flare energy is insufficient.
• Magnetic Reconnection: Occurs when magnetic field lines rearrange in the Sun’s atmosphere, leading to energy release.
• Gradual Magnetic Build-up: Magnetic stress accumulates over time, eventually releasing plasma without a sudden energy burst.
• Flux Rope Eruption: A pre-existing twisted magnetic structure in the corona slowly becomes unstable and erupts outward.
• No Preceding Flare: Unlike typical CMEs, no strong X-ray or UV burst precedes the plasma ejection.
• Sunspot Influence: Often linked to regions with weak or decaying magnetic fields, where flare energy is insufficient.
• Key Features of Flareless CMEs: Low Energy Signature: No significant X-ray or radio emissions, making early detection difficult. Slower Ejection Speeds: Travels at lower velocities (~400–1,000 km/s) than flare-associated CMEs. Magnetically Driven: Initiated by gradual destabilization of coronal magnetic fields rather than impulsive energy release. Space Weather Impact: Can still trigger geomagnetic storms on Earth, affecting satellites and communication systems. Rare Phenomenon: Less frequently observed compared to flare-associated CMEs, requiring continuous solar monitoring.
• Low Energy Signature: No significant X-ray or radio emissions, making early detection difficult.
• Slower Ejection Speeds: Travels at lower velocities (~400–1,000 km/s) than flare-associated CMEs.
• Magnetically Driven: Initiated by gradual destabilization of coronal magnetic fields rather than impulsive energy release.
• Space Weather Impact: Can still trigger geomagnetic storms on Earth, affecting satellites and communication systems.
• Rare Phenomenon: Less frequently observed compared to flare-associated CMEs, requiring continuous solar monitoring.
Solution: b)
Explanation:
• Option a is incorrect – Unlike flare-associated CMEs, flareless CMEs occur without solar flares.
• Option b is correct – Flareless CMEs eject plasma and magnetic fields without strong X-ray or UV emissions.
• Option c is incorrect – They are not associated with strong X-ray bursts.
• Option d is incorrect – They can originate from any region of the Sun, not just the poles.
• What is a Flareless Coronal Mass Ejection? A flareless CME is a massive ejection of plasma and magnetic field from the Sun’s corona that occurs without an associated solar flare. Unlike typical CMEs, it does not release intense electromagnetic radiation before the eruption. It challenges existing models of solar activity, requiring new insights into magnetic instabilities.
• A flareless CME is a massive ejection of plasma and magnetic field from the Sun’s corona that occurs without an associated solar flare.
• Unlike typical CMEs, it does not release intense electromagnetic radiation before the eruption.
• It challenges existing models of solar activity, requiring new insights into magnetic instabilities.
• How Flareless CMEs Form? Magnetic Reconnection: Occurs when magnetic field lines rearrange in the Sun’s atmosphere, leading to energy release. Gradual Magnetic Build-up: Magnetic stress accumulates over time, eventually releasing plasma without a sudden energy burst. Flux Rope Eruption: A pre-existing twisted magnetic structure in the corona slowly becomes unstable and erupts outward. No Preceding Flare: Unlike typical CMEs, no strong X-ray or UV burst precedes the plasma ejection. Sunspot Influence: Often linked to regions with weak or decaying magnetic fields, where flare energy is insufficient.
• Magnetic Reconnection: Occurs when magnetic field lines rearrange in the Sun’s atmosphere, leading to energy release.
• Gradual Magnetic Build-up: Magnetic stress accumulates over time, eventually releasing plasma without a sudden energy burst.
• Flux Rope Eruption: A pre-existing twisted magnetic structure in the corona slowly becomes unstable and erupts outward.
• No Preceding Flare: Unlike typical CMEs, no strong X-ray or UV burst precedes the plasma ejection.
• Sunspot Influence: Often linked to regions with weak or decaying magnetic fields, where flare energy is insufficient.
• Key Features of Flareless CMEs: Low Energy Signature: No significant X-ray or radio emissions, making early detection difficult. Slower Ejection Speeds: Travels at lower velocities (~400–1,000 km/s) than flare-associated CMEs. Magnetically Driven: Initiated by gradual destabilization of coronal magnetic fields rather than impulsive energy release. Space Weather Impact: Can still trigger geomagnetic storms on Earth, affecting satellites and communication systems. Rare Phenomenon: Less frequently observed compared to flare-associated CMEs, requiring continuous solar monitoring.
• Low Energy Signature: No significant X-ray or radio emissions, making early detection difficult.
• Slower Ejection Speeds: Travels at lower velocities (~400–1,000 km/s) than flare-associated CMEs.
• Magnetically Driven: Initiated by gradual destabilization of coronal magnetic fields rather than impulsive energy release.
• Space Weather Impact: Can still trigger geomagnetic storms on Earth, affecting satellites and communication systems.
• Rare Phenomenon: Less frequently observed compared to flare-associated CMEs, requiring continuous solar monitoring.
• Question 2 of 5 2. Question Consider the following statements regarding Aditya-L1’s scientific objectives: It is primarily designed to study the Sun’s outermost layer, the photosphere, to understand solar flares. It will provide early warnings for geomagnetic storms that impact Earth’s communication systems. It is India’s first space mission dedicated to planetary exploration beyond Earth’s atmosphere. How many of the above statements are correct? a) Only one b) Only two c) All three d) None Correct Solution: a) Explanation: Statement 1 is incorrect – Aditya-L1 primarily focuses on studying the corona and solar wind, not just the photosphere. Statement 2 is correct – By monitoring solar storms and coronal mass ejections (CMEs), Aditya-L1 will provide early warnings for potential geomagnetic disruptions on Earth. Statement 3 is incorrect – Aditya-L1 is not a planetary mission; it is a solar observation mission. About Aditya-L1 Mission: Launched in: September 2, 2023. Developed by: ISRO, with contributions from Indian academic institutions. Mission Type: India’s first solar observation mission positioned at Lagrange Point 1 (L1). Distance from Earth:5 million km (1% of Earth-Sun distance). Primary Aim: Study the Sun’s corona, chromosphere, and solar emissions. Monitor solar wind, magnetic storms, and space weather impacts on Earth. Key Features: Constant Solar Observation: Uninterrupted view of the Sun due to L1 positioning. Indigenous Payloads: 7 payloads designed for spectroscopy, coronagraphy, and particle analysis. Minimized Fuel Usage: L1’s gravitational balance reduces orbital maintenance efforts. Early Warning System: Detects solar radiation and storms before they reach Earth. Incorrect Solution: a) Explanation: Statement 1 is incorrect – Aditya-L1 primarily focuses on studying the corona and solar wind, not just the photosphere. Statement 2 is correct – By monitoring solar storms and coronal mass ejections (CMEs), Aditya-L1 will provide early warnings for potential geomagnetic disruptions on Earth. Statement 3 is incorrect – Aditya-L1 is not a planetary mission; it is a solar observation mission. About Aditya-L1 Mission: Launched in: September 2, 2023. Developed by: ISRO, with contributions from Indian academic institutions. Mission Type: India’s first solar observation mission positioned at Lagrange Point 1 (L1). Distance from Earth:5 million km (1% of Earth-Sun distance). Primary Aim: Study the Sun’s corona, chromosphere, and solar emissions. Monitor solar wind, magnetic storms, and space weather impacts on Earth. Key Features: Constant Solar Observation: Uninterrupted view of the Sun due to L1 positioning. Indigenous Payloads: 7 payloads designed for spectroscopy, coronagraphy, and particle analysis. Minimized Fuel Usage: L1’s gravitational balance reduces orbital maintenance efforts. Early Warning System: Detects solar radiation and storms before they reach Earth.
#### 2. Question
Consider the following statements regarding Aditya-L1’s scientific objectives:
• It is primarily designed to study the Sun’s outermost layer, the photosphere, to understand solar flares.
• It will provide early warnings for geomagnetic storms that impact Earth’s communication systems.
• It is India’s first space mission dedicated to planetary exploration beyond Earth’s atmosphere.
How many of the above statements are correct?
• a) Only one
• b) Only two
• c) All three
Solution: a)
Explanation:
• Statement 1 is incorrect – Aditya-L1 primarily focuses on studying the corona and solar wind, not just the photosphere.
• Statement 2 is correct – By monitoring solar storms and coronal mass ejections (CMEs), Aditya-L1 will provide early warnings for potential geomagnetic disruptions on Earth.
• Statement 3 is incorrect – Aditya-L1 is not a planetary mission; it is a solar observation mission.
About Aditya-L1 Mission:
• Launched in: September 2, 2023.
• Developed by: ISRO, with contributions from Indian academic institutions.
• Mission Type: India’s first solar observation mission positioned at Lagrange Point 1 (L1).
• Distance from Earth:5 million km (1% of Earth-Sun distance).
• Primary Aim:
• Study the Sun’s corona, chromosphere, and solar emissions. Monitor solar wind, magnetic storms, and space weather impacts on Earth.
• Study the Sun’s corona, chromosphere, and solar emissions.
• Monitor solar wind, magnetic storms, and space weather impacts on Earth.
• Key Features:
• Constant Solar Observation: Uninterrupted view of the Sun due to L1 positioning. Indigenous Payloads: 7 payloads designed for spectroscopy, coronagraphy, and particle analysis. Minimized Fuel Usage: L1’s gravitational balance reduces orbital maintenance efforts. Early Warning System: Detects solar radiation and storms before they reach Earth.
• Constant Solar Observation: Uninterrupted view of the Sun due to L1 positioning.
• Indigenous Payloads: 7 payloads designed for spectroscopy, coronagraphy, and particle analysis.
• Minimized Fuel Usage: L1’s gravitational balance reduces orbital maintenance efforts.
• Early Warning System: Detects solar radiation and storms before they reach Earth.
Solution: a)
Explanation:
• Statement 1 is incorrect – Aditya-L1 primarily focuses on studying the corona and solar wind, not just the photosphere.
• Statement 2 is correct – By monitoring solar storms and coronal mass ejections (CMEs), Aditya-L1 will provide early warnings for potential geomagnetic disruptions on Earth.
• Statement 3 is incorrect – Aditya-L1 is not a planetary mission; it is a solar observation mission.
About Aditya-L1 Mission:
• Launched in: September 2, 2023.
• Developed by: ISRO, with contributions from Indian academic institutions.
• Mission Type: India’s first solar observation mission positioned at Lagrange Point 1 (L1).
• Distance from Earth:5 million km (1% of Earth-Sun distance).
• Primary Aim:
• Study the Sun’s corona, chromosphere, and solar emissions. Monitor solar wind, magnetic storms, and space weather impacts on Earth.
• Study the Sun’s corona, chromosphere, and solar emissions.
• Monitor solar wind, magnetic storms, and space weather impacts on Earth.
• Key Features:
• Constant Solar Observation: Uninterrupted view of the Sun due to L1 positioning. Indigenous Payloads: 7 payloads designed for spectroscopy, coronagraphy, and particle analysis. Minimized Fuel Usage: L1’s gravitational balance reduces orbital maintenance efforts. Early Warning System: Detects solar radiation and storms before they reach Earth.
• Constant Solar Observation: Uninterrupted view of the Sun due to L1 positioning.
• Indigenous Payloads: 7 payloads designed for spectroscopy, coronagraphy, and particle analysis.
• Minimized Fuel Usage: L1’s gravitational balance reduces orbital maintenance efforts.
• Early Warning System: Detects solar radiation and storms before they reach Earth.
• Question 3 of 5 3. Question Why is Plastic Ice VII considered a unique phase of water? a) It exists naturally on Earth and is commonly found in deep-sea hydrothermal vents. b) It has a crystalline structure but allows rotational motion of water molecules, giving it both solid and liquid properties. c) It is a supercooled liquid that remains stable even at extremely low temperatures. d) It is an artificially synthesized form of ice that cannot occur in planetary environments. Correct Solution: b) Explanation: Option a is incorrect – Plastic Ice VII does not exist naturally on Earth; it requires extreme pressure and temperature conditions found in planetary interiors. Option b is correct – It is a high-pressure phase of water ice where molecules remain in a crystal lattice but retain rotational freedom, making it unique. Option c is incorrect – It is not a supercooled liquid; it is a distinct phase of ice with hybrid properties. Option d is incorrect – Plastic Ice VII can form in planetary environments, particularly in the deep interiors of icy moons and exoplanets. What is Plastic Ice VII? A unique phase of water where molecules remain in a rigid crystalline structure while retaining rotational motion. Originally predicted in 2008, but experimentally confirmed in 2025. How does it form? Extreme Conditions: Forms under 450-600K (177-327°C) temperature and 0.1-6 GPa pressure (60,000 times atmospheric pressure). Lab Confirmation: Verified through Quasi-Elastic Neutron Scattering (QENS) at ILL, France. Key Characteristics: Applications & Significance: Planetary Science: Explains water’s behavior inside icy moons (Ganymede, Callisto, Titan) and exoplanets. Extreme Environment Research: Helps in understanding high-pressure physics and material science. Space Exploration: Improves knowledge of ice phases in extreme planetary conditions, aiding in future astrobiology studies. Hydrogen Storage & Energy Research: May have potential technological applications in material sciences. Incorrect Solution: b) Explanation: Option a is incorrect – Plastic Ice VII does not exist naturally on Earth; it requires extreme pressure and temperature conditions found in planetary interiors. Option b is correct – It is a high-pressure phase of water ice where molecules remain in a crystal lattice but retain rotational freedom, making it unique. Option c is incorrect – It is not a supercooled liquid; it is a distinct phase of ice with hybrid properties. Option d is incorrect – Plastic Ice VII can form in planetary environments, particularly in the deep interiors of icy moons and exoplanets. What is Plastic Ice VII? A unique phase of water where molecules remain in a rigid crystalline structure while retaining rotational motion. Originally predicted in 2008, but experimentally confirmed in 2025. How does it form? Extreme Conditions: Forms under 450-600K (177-327°C) temperature and 0.1-6 GPa pressure (60,000 times atmospheric pressure). Lab Confirmation: Verified through Quasi-Elastic Neutron Scattering (QENS) at ILL, France. Key Characteristics: Applications & Significance: Planetary Science: Explains water’s behavior inside icy moons (Ganymede, Callisto, Titan) and exoplanets. Extreme Environment Research: Helps in understanding high-pressure physics and material science. Space Exploration: Improves knowledge of ice phases in extreme planetary conditions, aiding in future astrobiology studies. Hydrogen Storage & Energy Research: May have potential technological applications in material sciences.
#### 3. Question
Why is Plastic Ice VII considered a unique phase of water?
• a) It exists naturally on Earth and is commonly found in deep-sea hydrothermal vents.
• b) It has a crystalline structure but allows rotational motion of water molecules, giving it both solid and liquid properties.
• c) It is a supercooled liquid that remains stable even at extremely low temperatures.
• d) It is an artificially synthesized form of ice that cannot occur in planetary environments.
Solution: b)
Explanation:
• Option a is incorrect – Plastic Ice VII does not exist naturally on Earth; it requires extreme pressure and temperature conditions found in planetary interiors.
• Option b is correct – It is a high-pressure phase of water ice where molecules remain in a crystal lattice but retain rotational freedom, making it unique.
• Option c is incorrect – It is not a supercooled liquid; it is a distinct phase of ice with hybrid properties.
• Option d is incorrect – Plastic Ice VII can form in planetary environments, particularly in the deep interiors of icy moons and exoplanets.
• What is Plastic Ice VII?
• A unique phase of water where molecules remain in a rigid crystalline structure while retaining rotational motion. Originally predicted in 2008, but experimentally confirmed in 2025.
• A unique phase of water where molecules remain in a rigid crystalline structure while retaining rotational motion.
• Originally predicted in 2008, but experimentally confirmed in 2025.
• How does it form?
• Extreme Conditions: Forms under 450-600K (177-327°C) temperature and 0.1-6 GPa pressure (60,000 times atmospheric pressure). Lab Confirmation: Verified through Quasi-Elastic Neutron Scattering (QENS) at ILL, France.
• Extreme Conditions: Forms under 450-600K (177-327°C) temperature and 0.1-6 GPa pressure (60,000 times atmospheric pressure).
• Lab Confirmation: Verified through Quasi-Elastic Neutron Scattering (QENS) at ILL, France.
• Key Characteristics:
• Applications & Significance:
• Planetary Science: Explains water’s behavior inside icy moons (Ganymede, Callisto, Titan) and exoplanets. Extreme Environment Research: Helps in understanding high-pressure physics and material science. Space Exploration: Improves knowledge of ice phases in extreme planetary conditions, aiding in future astrobiology studies. Hydrogen Storage & Energy Research: May have potential technological applications in material sciences.
• Planetary Science: Explains water’s behavior inside icy moons (Ganymede, Callisto, Titan) and exoplanets.
• Extreme Environment Research: Helps in understanding high-pressure physics and material science.
• Space Exploration: Improves knowledge of ice phases in extreme planetary conditions, aiding in future astrobiology studies.
• Hydrogen Storage & Energy Research: May have potential technological applications in material sciences.
Solution: b)
Explanation:
• Option a is incorrect – Plastic Ice VII does not exist naturally on Earth; it requires extreme pressure and temperature conditions found in planetary interiors.
• Option b is correct – It is a high-pressure phase of water ice where molecules remain in a crystal lattice but retain rotational freedom, making it unique.
• Option c is incorrect – It is not a supercooled liquid; it is a distinct phase of ice with hybrid properties.
• Option d is incorrect – Plastic Ice VII can form in planetary environments, particularly in the deep interiors of icy moons and exoplanets.
• What is Plastic Ice VII?
• A unique phase of water where molecules remain in a rigid crystalline structure while retaining rotational motion. Originally predicted in 2008, but experimentally confirmed in 2025.
• A unique phase of water where molecules remain in a rigid crystalline structure while retaining rotational motion.
• Originally predicted in 2008, but experimentally confirmed in 2025.
• How does it form?
• Extreme Conditions: Forms under 450-600K (177-327°C) temperature and 0.1-6 GPa pressure (60,000 times atmospheric pressure). Lab Confirmation: Verified through Quasi-Elastic Neutron Scattering (QENS) at ILL, France.
• Extreme Conditions: Forms under 450-600K (177-327°C) temperature and 0.1-6 GPa pressure (60,000 times atmospheric pressure).
• Lab Confirmation: Verified through Quasi-Elastic Neutron Scattering (QENS) at ILL, France.
• Key Characteristics:
• Applications & Significance:
• Planetary Science: Explains water’s behavior inside icy moons (Ganymede, Callisto, Titan) and exoplanets. Extreme Environment Research: Helps in understanding high-pressure physics and material science. Space Exploration: Improves knowledge of ice phases in extreme planetary conditions, aiding in future astrobiology studies. Hydrogen Storage & Energy Research: May have potential technological applications in material sciences.
• Planetary Science: Explains water’s behavior inside icy moons (Ganymede, Callisto, Titan) and exoplanets.
• Extreme Environment Research: Helps in understanding high-pressure physics and material science.
• Space Exploration: Improves knowledge of ice phases in extreme planetary conditions, aiding in future astrobiology studies.
• Hydrogen Storage & Energy Research: May have potential technological applications in material sciences.
• Question 4 of 5 4. Question Consider the following statements about Defence Acquisition Council (DAC): It is chaired by the Chief of Defence Staff (CDS). It grants Acceptance of Necessity (AoN) for all major capital defence acquisitions. It was established in the aftermath of the Kargil War How many of the above statements is/are correct? (a) Only one (b) Only two (c) All three (d) None Correct Solution: b) Statement 1 is incorrect — the Defence Minister chairs the DAC, not the Chief of Defence Staff, who may be a member or part of deliberations. DAC grants AoN for all major capital acquisitions, including those above financial thresholds like ₹500 crore, although the exact threshold may vary based on delegation of powers. The DAC was created post the Kargil War as part of structural reforms suggested by the Group of Ministers. About Defence Acquisition Council (DAC): What it is: The Defence Acquisition Council (DAC) is the apex body under the Ministry of Defence that oversees capital acquisitions for India’s defence forces. Established in: Formed in 2001, based on the recommendations of the Group of Ministers on National Security Reform after the Kargil War. Chaired by: Defence Minister of India currently Rajnath Singh. Functions: Grant Acceptance of Necessity (AoN) for capital acquisitions. Categorize acquisitions into Buy, Buy & Make, or Make categories. Approve the 15-Year Long-Term Integrated Perspective Plan (LTPP). Monitor major procurement projects and ensure progress with regular feedback. Incorrect Solution: b) Statement 1 is incorrect — the Defence Minister chairs the DAC, not the Chief of Defence Staff, who may be a member or part of deliberations. DAC grants AoN for all major capital acquisitions, including those above financial thresholds like ₹500 crore, although the exact threshold may vary based on delegation of powers. The DAC was created post the Kargil War as part of structural reforms suggested by the Group of Ministers. About Defence Acquisition Council (DAC): What it is: The Defence Acquisition Council (DAC) is the apex body under the Ministry of Defence that oversees capital acquisitions for India’s defence forces. Established in: Formed in 2001, based on the recommendations of the Group of Ministers on National Security Reform after the Kargil War. Chaired by: Defence Minister of India currently Rajnath Singh. Functions: Grant Acceptance of Necessity (AoN) for capital acquisitions. Categorize acquisitions into Buy, Buy & Make, or Make categories. Approve the 15-Year Long-Term Integrated Perspective Plan (LTPP). Monitor major procurement projects and ensure progress with regular feedback.
#### 4. Question
Consider the following statements about Defence Acquisition Council (DAC):
• It is chaired by the Chief of Defence Staff (CDS).
• It grants Acceptance of Necessity (AoN) for all major capital defence acquisitions.
• It was established in the aftermath of the Kargil War
How many of the above statements is/are correct?
• (a) Only one
• (b) Only two
• (c) All three
Solution: b)
Statement 1 is incorrect — the Defence Minister chairs the DAC, not the Chief of Defence Staff, who may be a member or part of deliberations.
DAC grants AoN for all major capital acquisitions, including those above financial thresholds like ₹500 crore, although the exact threshold may vary based on delegation of powers.
The DAC was created post the Kargil War as part of structural reforms suggested by the Group of Ministers.
About Defence Acquisition Council (DAC):
• What it is:
• The Defence Acquisition Council (DAC) is the apex body under the Ministry of Defence that oversees capital acquisitions for India’s defence forces.
• The Defence Acquisition Council (DAC) is the apex body under the Ministry of Defence that oversees capital acquisitions for India’s defence forces.
• Established in:
• Formed in 2001, based on the recommendations of the Group of Ministers on National Security Reform after the Kargil War.
• Formed in 2001, based on the recommendations of the Group of Ministers on National Security Reform after the Kargil War.
• Chaired by: Defence Minister of India currently Rajnath Singh.
• Functions:
• Grant Acceptance of Necessity (AoN) for capital acquisitions. Categorize acquisitions into Buy, Buy & Make, or Make categories. Approve the 15-Year Long-Term Integrated Perspective Plan (LTPP). Monitor major procurement projects and ensure progress with regular feedback.
• Grant Acceptance of Necessity (AoN) for capital acquisitions.
• Categorize acquisitions into Buy, Buy & Make, or Make categories.
• Approve the 15-Year Long-Term Integrated Perspective Plan (LTPP).
• Monitor major procurement projects and ensure progress with regular feedback.
Solution: b)
Statement 1 is incorrect — the Defence Minister chairs the DAC, not the Chief of Defence Staff, who may be a member or part of deliberations.
DAC grants AoN for all major capital acquisitions, including those above financial thresholds like ₹500 crore, although the exact threshold may vary based on delegation of powers.
The DAC was created post the Kargil War as part of structural reforms suggested by the Group of Ministers.
About Defence Acquisition Council (DAC):
• What it is:
• The Defence Acquisition Council (DAC) is the apex body under the Ministry of Defence that oversees capital acquisitions for India’s defence forces.
• The Defence Acquisition Council (DAC) is the apex body under the Ministry of Defence that oversees capital acquisitions for India’s defence forces.
• Established in:
• Formed in 2001, based on the recommendations of the Group of Ministers on National Security Reform after the Kargil War.
• Formed in 2001, based on the recommendations of the Group of Ministers on National Security Reform after the Kargil War.
• Chaired by: Defence Minister of India currently Rajnath Singh.
• Functions:
• Grant Acceptance of Necessity (AoN) for capital acquisitions. Categorize acquisitions into Buy, Buy & Make, or Make categories. Approve the 15-Year Long-Term Integrated Perspective Plan (LTPP). Monitor major procurement projects and ensure progress with regular feedback.
• Grant Acceptance of Necessity (AoN) for capital acquisitions.
• Categorize acquisitions into Buy, Buy & Make, or Make categories.
• Approve the 15-Year Long-Term Integrated Perspective Plan (LTPP).
• Monitor major procurement projects and ensure progress with regular feedback.
• Question 5 of 5 5. Question Which of the following most accurately explains why anaemia persists at high levels in India despite multiple nutritional programs? a) India lacks iron-rich food resources due to climatic limitations b) Most anaemia cases in India are due to genetic haemoglobin disorders rather than iron deficiency c) Behavioural and non-nutritional causes are often under-addressed despite interventions d) Anaemia Mukt Bharat does not include school-going children in its target groups Correct Solution: c) While food resources and genetic conditions are relevant factors, the most persistent gap lies in tackling behavioural and non-nutritional causes—such as poor sanitation, helminthic infections, lack of compliance with IFA supplementation, and limited awareness. Anaemia Mukt Bharat addresses these through its 6x6x6 approach, but implementation often falls short at the grassroots level. Also, the claim that school-going children are excluded is incorrect, as they are included in AMB’s 6 target groups. Therefore, the persistence of anaemia in India is best explained by the under-addressing of behaviour-linked and systemic challenges in spite of well-designed frameworks. Incorrect Solution: c) While food resources and genetic conditions are relevant factors, the most persistent gap lies in tackling behavioural and non-nutritional causes—such as poor sanitation, helminthic infections, lack of compliance with IFA supplementation, and limited awareness. Anaemia Mukt Bharat addresses these through its 6x6x6 approach, but implementation often falls short at the grassroots level. Also, the claim that school-going children are excluded is incorrect, as they are included in AMB’s 6 target groups. Therefore, the persistence of anaemia in India is best explained by the under-addressing of behaviour-linked and systemic challenges in spite of well-designed frameworks.
#### 5. Question
Which of the following most accurately explains why anaemia persists at high levels in India despite multiple nutritional programs?
• a) India lacks iron-rich food resources due to climatic limitations
• b) Most anaemia cases in India are due to genetic haemoglobin disorders rather than iron deficiency
• c) Behavioural and non-nutritional causes are often under-addressed despite interventions
• d) Anaemia Mukt Bharat does not include school-going children in its target groups
Solution: c)
• While food resources and genetic conditions are relevant factors, the most persistent gap lies in tackling behavioural and non-nutritional causes—such as poor sanitation, helminthic infections, lack of compliance with IFA supplementation, and limited awareness.
• Anaemia Mukt Bharat addresses these through its 6x6x6 approach, but implementation often falls short at the grassroots level. Also, the claim that school-going children are excluded is incorrect, as they are included in AMB’s 6 target groups.
• Therefore, the persistence of anaemia in India is best explained by the under-addressing of behaviour-linked and systemic challenges in spite of well-designed frameworks.
Solution: c)
• While food resources and genetic conditions are relevant factors, the most persistent gap lies in tackling behavioural and non-nutritional causes—such as poor sanitation, helminthic infections, lack of compliance with IFA supplementation, and limited awareness.
• Anaemia Mukt Bharat addresses these through its 6x6x6 approach, but implementation often falls short at the grassroots level. Also, the claim that school-going children are excluded is incorrect, as they are included in AMB’s 6 target groups.
• Therefore, the persistence of anaemia in India is best explained by the under-addressing of behaviour-linked and systemic challenges in spite of well-designed frameworks.
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