UPSC Current Affairs Quiz :17 July 2025

The Current Affairs Quiz 2024 is a daily quiz based on the DAILY CURRENT AFFAIRS AND PIB SUMMARY from the previous day, as posted on our website. It covers all relevant news sources and is designed to test your knowledge of current events. Solving these questions will help you retain both concepts and facts relevant to the UPSC IAS civil services exam.

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• Question 1 of 10 1. Question 1 points Regarding the recent discovery about Quantum Noise by scientists at the Raman Research Institute (RRI), consider the following statements: The discovery establishes that quantum noise, in all circumstances, is a destructive force that leads to decoherence. The findings indicate that interparticle entanglement is inherently more resistant to environmental noise than intraparticle entanglement. This breakthrough has potential applications in advancing quantum cryptography and quantum error correction techniques. How many of the above statements is/are incorrect? (a) Only one (b) Only two (c) All three (d) None Correct Solution: B Statement 1 is incorrect. The core of the discovery is a paradigm shift from the conventional view. Scientists found that quantum noise, previously seen only as destructive, can under certain conditions generate and revive entanglement. Statement 2 is incorrect. The research highlighted the opposite. It was found that intraparticle entanglement (entanglement within a single particle’s different properties) shows greater resistance to decoherence compared to interparticle entanglement (between separate particles). This is a key finding for building more stable quantum devices. Statement 3 is correct. By redefining the role of noise and understanding its potential constructive capabilities, this discovery lays a new foundation for improving quantum technologies. A better grasp of how to manage or even harness noise is crucial for developing more robust systems for quantum communication, quantum cryptography, and quantum error correction, which are all currently limited by the problem of decoherence. Incorrect Solution: B Statement 1 is incorrect. The core of the discovery is a paradigm shift from the conventional view. Scientists found that quantum noise, previously seen only as destructive, can under certain conditions generate and revive entanglement. Statement 2 is incorrect. The research highlighted the opposite. It was found that intraparticle entanglement (entanglement within a single particle’s different properties) shows greater resistance to decoherence compared to interparticle entanglement (between separate particles). This is a key finding for building more stable quantum devices. Statement 3 is correct. By redefining the role of noise and understanding its potential constructive capabilities, this discovery lays a new foundation for improving quantum technologies. A better grasp of how to manage or even harness noise is crucial for developing more robust systems for quantum communication, quantum cryptography, and quantum error correction, which are all currently limited by the problem of decoherence.

#### 1. Question

Regarding the recent discovery about Quantum Noise by scientists at the Raman Research Institute (RRI), consider the following statements:

• The discovery establishes that quantum noise, in all circumstances, is a destructive force that leads to decoherence.

• The findings indicate that interparticle entanglement is inherently more resistant to environmental noise than intraparticle entanglement.

• This breakthrough has potential applications in advancing quantum cryptography and quantum error correction techniques.

How many of the above statements is/are incorrect?

• (a) Only one

• (b) Only two

• (c) All three

Solution: B

• Statement 1 is incorrect. The core of the discovery is a paradigm shift from the conventional view. Scientists found that quantum noise, previously seen only as destructive, can under certain conditions generate and revive entanglement.

• Statement 2 is incorrect. The research highlighted the opposite. It was found that intraparticle entanglement (entanglement within a single particle’s different properties) shows greater resistance to decoherence compared to interparticle entanglement (between separate particles). This is a key finding for building more stable quantum devices.

Statement 3 is correct. By redefining the role of noise and understanding its potential constructive capabilities, this discovery lays a new foundation for improving quantum technologies. A better grasp of how to manage or even harness noise is crucial for developing more robust systems for quantum communication, quantum cryptography, and quantum error correction, which are all currently limited by the problem of decoherence.

Solution: B

• Question 2 of 10 2. Question 1 points Match the following columns regarding the features of High-Speed Maglev Trains: Column I (Feature) Column II (Scientific Principle/Component) Column III (Significance/Application) 1. Levitation A. Alternating Electric Current in Guideway i. Reduced Air Resistance 2. Propulsion B. Aerodynamic Nose Design ii. Elimination of Friction 3. Low Drag C. Opposing Magnetic Forces iii. High-Speed Acceleration Select the correct match: (a) 1-C-iii, 2-B-i, 3-A-ii (b) 1-A-ii, 2-C-iii, 3-B-i (c) 1-C-ii, 2-A-iii, 3-B-i (d) 1-B-i, 2-A-ii, 3-C-iii Correct Solution: C Levitation (1) is achieved through opposing magnetic forces (C), which lift the train off the track. The primary significance of this is the elimination of friction (ii) between wheels and rails, a major limiting factor for conventional trains. So, 1-C-ii is the correct combination. Propulsion (2) is generated by an alternating electric current in the guideway coils (A). This current rapidly changes the polarity of the magnets, creating forces that push and pull the train forward, enabling very high-speed acceleration (iii). So, 2-A-iii is the correct combination. Low Drag (3) is primarily addressed through the aerodynamic nose design (B), which is engineered to minimize air resistance at high speeds. This design leads to reduced air resistance (i), which is crucial for efficiency and achieving top speeds. So, 3-B-i is the correct combination. Incorrect Solution: C Levitation (1) is achieved through opposing magnetic forces (C), which lift the train off the track. The primary significance of this is the elimination of friction (ii) between wheels and rails, a major limiting factor for conventional trains. So, 1-C-ii is the correct combination. Propulsion (2) is generated by an alternating electric current in the guideway coils (A). This current rapidly changes the polarity of the magnets, creating forces that push and pull the train forward, enabling very high-speed acceleration (iii). So, 2-A-iii is the correct combination. Low Drag (3) is primarily addressed through the aerodynamic nose design (B), which is engineered to minimize air resistance at high speeds. This design leads to reduced air resistance (i), which is crucial for efficiency and achieving top speeds. So, 3-B-i is the correct combination.

#### 2. Question

Match the following columns regarding the features of High-Speed Maglev Trains:

Column I (Feature) | Column II (Scientific Principle/Component) | Column III (Significance/Application)

1.Levitation | A. Alternating Electric Current in Guideway | i. Reduced Air Resistance
2.Propulsion | B. Aerodynamic Nose Design | ii. Elimination of Friction
3.Low Drag | C. Opposing Magnetic Forces | iii. High-Speed Acceleration

Select the correct match:

• (a) 1-C-iii, 2-B-i, 3-A-ii

• (b) 1-A-ii, 2-C-iii, 3-B-i

• (c) 1-C-ii, 2-A-iii, 3-B-i

• (d) 1-B-i, 2-A-ii, 3-C-iii

Solution: C

• Levitation (1) is achieved through opposing magnetic forces (C), which lift the train off the track. The primary significance of this is the elimination of friction (ii) between wheels and rails, a major limiting factor for conventional trains. So, 1-C-ii is the correct combination.

• Propulsion (2) is generated by an alternating electric current in the guideway coils (A). This current rapidly changes the polarity of the magnets, creating forces that push and pull the train forward, enabling very high-speed acceleration (iii). So, 2-A-iii is the correct combination.

Low Drag (3) is primarily addressed through the aerodynamic nose design (B), which is engineered to minimize air resistance at high speeds. This design leads to reduced air resistance (i), which is crucial for efficiency and achieving top speeds. So, 3-B-i is the correct combination.

Solution: C

• Question 3 of 10 3. Question 1 points With reference to the biennial Talisman Sabre military exercise, consider the following statements: It is exclusively a maritime exercise hosted jointly by Australia and India. Participation is limited to the member countries of the Quadrilateral Security Dialogue (QUAD). The 2025 edition involves multidomain operations, including space and cyber warfare. For the first time, the exercise includes deployment in a Pacific Island nation. How many of the above statements is/are correct? (a) Only one (b) Only two (c) Only three (d) All four Correct Solution: B Statement 1 is incorrect. Talisman Sabre is a multinational joint military drill, not just a maritime exercise. It encompasses land, air, sea, space, and cyber domains. It is hosted by Australia and the United States, not Australia and India. Statement 2 is incorrect. While all four QUAD members (India, Japan, USA, Australia) are participating, the exercise is not limited to them. In 2025, a total of 19 countries are involved, including nations like the UK, France, Germany, and South Korea, demonstrating its broad, multinational nature. Statement 3 is correct. The exercise is designed to test readiness in complex scenarios and explicitly includes multidomain operations, which cover air combat, maritime patrols, amphibious landings, as well as cyber defence and space-based activities. Statement 4 is correct. A key feature of the Talisman Sabre 2025 is its expanded geographical scope. For the first time, it includes a multinational deployment in Papua New Guinea (PNG), a Pacific Island nation, highlighting the exercise’s growing strategic footprint in the region. Incorrect Solution: B Statement 1 is incorrect. Talisman Sabre is a multinational joint military drill, not just a maritime exercise. It encompasses land, air, sea, space, and cyber domains. It is hosted by Australia and the United States, not Australia and India. Statement 2 is incorrect. While all four QUAD members (India, Japan, USA, Australia) are participating, the exercise is not limited to them. In 2025, a total of 19 countries are involved, including nations like the UK, France, Germany, and South Korea, demonstrating its broad, multinational nature. Statement 3 is correct. The exercise is designed to test readiness in complex scenarios and explicitly includes multidomain operations, which cover air combat, maritime patrols, amphibious landings, as well as cyber defence and space-based activities. Statement 4 is correct. A key feature of the Talisman Sabre 2025 is its expanded geographical scope. For the first time, it includes a multinational deployment in Papua New Guinea (PNG), a Pacific Island nation, highlighting the exercise’s growing strategic footprint in the region.

#### 3. Question

With reference to the biennial Talisman Sabre military exercise, consider the following statements:

• It is exclusively a maritime exercise hosted jointly by Australia and India.

• Participation is limited to the member countries of the Quadrilateral Security Dialogue (QUAD).

• The 2025 edition involves multidomain operations, including space and cyber warfare.

• For the first time, the exercise includes deployment in a Pacific Island nation.

How many of the above statements is/are correct?

• (a) Only one

• (b) Only two

• (c) Only three

• (d) All four

Solution: B

• Statement 1 is incorrect. Talisman Sabre is a multinational joint military drill, not just a maritime exercise. It encompasses land, air, sea, space, and cyber domains. It is hosted by Australia and the United States, not Australia and India.

• Statement 2 is incorrect. While all four QUAD members (India, Japan, USA, Australia) are participating, the exercise is not limited to them. In 2025, a total of 19 countries are involved, including nations like the UK, France, Germany, and South Korea, demonstrating its broad, multinational nature.

• Statement 3 is correct. The exercise is designed to test readiness in complex scenarios and explicitly includes multidomain operations, which cover air combat, maritime patrols, amphibious landings, as well as cyber defence and space-based activities.

Statement 4 is correct. A key feature of the Talisman Sabre 2025 is its expanded geographical scope. For the first time, it includes a multinational deployment in Papua New Guinea (PNG), a Pacific Island nation, highlighting the exercise’s growing strategic footprint in the region.

Solution: B

• Question 4 of 10 4. Question 1 points Consider the following statements about the AH-64E Apache helicopter: Statement I: The AH-64E Apache is primarily a utility and transport helicopter designed for logistical support in high-altitude areas. Statement II: It is equipped with advanced sensor technology like the Longbow radar, which allows it to detect and prioritize multiple targets in adverse weather conditions. Which one of the following is correct in respect of the above statements? (a) Both Statement-I and Statement-II are correct and Statement-II is the correct explanation for Statement-I (b) Both Statement-I and Statement-II are correct and Statement-II is not the correct explanation for Statement-I (c) Statement-I is correct but Statement-II is incorrect (d) Statement-I is incorrect but Statement-II is correct Correct Solution: D Statement-I is incorrect. The AH-64E Apache is not a utility or transport helicopter. It is a dedicated multi-role attack helicopter, purpose-built for high-intensity warfare. Its primary roles include anti-armor missions, precision strikes, and providing close air support to ground troops, not logistical support. Utility and transport roles are typically fulfilled by helicopters like the Chinook or Mi-17. Statement-II is correct. A defining feature of the AH-64E variant is its sophisticated sensor suite. It is equipped with the mast-mounted AN/APG-78 Longbow fire-control radar, thermal imaging, and night vision systems. This advanced technology allows the crew to operate effectively in day, night, and adverse weather conditions, and to rapidly detect, classify, and prioritize a large number of ground targets (up to 256, prioritizing 16). This capability is central to its lethality and effectiveness as a combat platform. Incorrect Solution: D Statement-I is incorrect. The AH-64E Apache is not a utility or transport helicopter. It is a dedicated multi-role attack helicopter, purpose-built for high-intensity warfare. Its primary roles include anti-armor missions, precision strikes, and providing close air support to ground troops, not logistical support. Utility and transport roles are typically fulfilled by helicopters like the Chinook or Mi-17. Statement-II is correct. A defining feature of the AH-64E variant is its sophisticated sensor suite. It is equipped with the mast-mounted AN/APG-78 Longbow fire-control radar, thermal imaging, and night vision systems. This advanced technology allows the crew to operate effectively in day, night, and adverse weather conditions, and to rapidly detect, classify, and prioritize a large number of ground targets (up to 256, prioritizing 16). This capability is central to its lethality and effectiveness as a combat platform.

#### 4. Question

Consider the following statements about the AH-64E Apache helicopter:

Statement I: The AH-64E Apache is primarily a utility and transport helicopter designed for logistical support in high-altitude areas.

Statement II: It is equipped with advanced sensor technology like the Longbow radar, which allows it to detect and prioritize multiple targets in adverse weather conditions.

Which one of the following is correct in respect of the above statements?

• (a) Both Statement-I and Statement-II are correct and Statement-II is the correct explanation for Statement-I

• (b) Both Statement-I and Statement-II are correct and Statement-II is not the correct explanation for Statement-I

• (c) Statement-I is correct but Statement-II is incorrect

• (d) Statement-I is incorrect but Statement-II is correct

Solution: D

• Statement-I is incorrect. The AH-64E Apache is not a utility or transport helicopter. It is a dedicated multi-role attack helicopter, purpose-built for high-intensity warfare. Its primary roles include anti-armor missions, precision strikes, and providing close air support to ground troops, not logistical support. Utility and transport roles are typically fulfilled by helicopters like the Chinook or Mi-17.

Statement-II is correct. A defining feature of the AH-64E variant is its sophisticated sensor suite. It is equipped with the mast-mounted AN/APG-78 Longbow fire-control radar, thermal imaging, and night vision systems. This advanced technology allows the crew to operate effectively in day, night, and adverse weather conditions, and to rapidly detect, classify, and prioritize a large number of ground targets (up to 256, prioritizing 16). This capability is central to its lethality and effectiveness as a combat platform.

Solution: D

• Question 5 of 10 5. Question 1 points With reference to the new Digital Attendance System in the Lok Sabha, consider the following statements: The system completely replaces the traditional manual attendance register from its inception. Attendance can only be marked using a biometric thumb scan to ensure authenticity. The Multimedia Device (MMD) used for attendance also serves other legislative functions, such as accessing agenda papers. How many of the above statements is/are correct? (a) Only one (b) Only two (c) All three (d) None Correct Solution: A Statement 1 is incorrect. The manual register will remain temporarily available to ensure a smooth transition and to accommodate MPs who may face issues with the new system. It is not an abrupt and complete replacement from the very start. Statement 2 is incorrect. The system offers multiple methods for authentication, not just biometrics. MPs can mark their attendance using a biometric thumb scan, a PIN-based login, or by tapping their I-card (smart card). This flexibility is designed to make the system user-friendly. Statement 3 is correct. The Multimedia Device (MMD) is an integrated terminal. Besides being used for marking attendance, it is also the portal through which Members of Parliament can access session agenda, documents, and division lists, making it a central tool for their legislative work within the chamber. This integration improves parliamentary efficiency. Incorrect Solution: A Statement 1 is incorrect. The manual register will remain temporarily available to ensure a smooth transition and to accommodate MPs who may face issues with the new system. It is not an abrupt and complete replacement from the very start. Statement 2 is incorrect. The system offers multiple methods for authentication, not just biometrics. MPs can mark their attendance using a biometric thumb scan, a PIN-based login, or by tapping their I-card (smart card). This flexibility is designed to make the system user-friendly. Statement 3 is correct. The Multimedia Device (MMD) is an integrated terminal. Besides being used for marking attendance, it is also the portal through which Members of Parliament can access session agenda, documents, and division lists, making it a central tool for their legislative work within the chamber. This integration improves parliamentary efficiency.

#### 5. Question

With reference to the new Digital Attendance System in the Lok Sabha, consider the following statements:

• The system completely replaces the traditional manual attendance register from its inception.

• Attendance can only be marked using a biometric thumb scan to ensure authenticity.

• The Multimedia Device (MMD) used for attendance also serves other legislative functions, such as accessing agenda papers.

How many of the above statements is/are correct?

• (a) Only one

• (b) Only two

• (c) All three

Solution: A

• Statement 1 is incorrect. The manual register will remain temporarily available to ensure a smooth transition and to accommodate MPs who may face issues with the new system. It is not an abrupt and complete replacement from the very start.

• Statement 2 is incorrect. The system offers multiple methods for authentication, not just biometrics. MPs can mark their attendance using a biometric thumb scan, a PIN-based login, or by tapping their I-card (smart card). This flexibility is designed to make the system user-friendly.

Statement 3 is correct. The Multimedia Device (MMD) is an integrated terminal. Besides being used for marking attendance, it is also the portal through which Members of Parliament can access session agenda, documents, and division lists, making it a central tool for their legislative work within the chamber. This integration improves parliamentary efficiency.

Solution: A

• Question 6 of 10 6. Question 1 points Consider the following statements about the historical and modern significance of Machilipatnam: Its prominence as a port began during the British colonial era, as it was developed to compete with Dutch-controlled ports. The decline of the ancient port was partly due to natural factors like coastal sedimentation. The modern Greenfield Port being developed is designed to be a shallow-water port, capable of handling only small vessels. How many of the above statements is/are correct? (a) Only one (b) Only two (c) All three (d) None Correct Solution: A Statement 1 is incorrect. Machilipatnam’s history as a thriving port long predates the British era. It was a significant maritime hub as early as the Satavahana period (1st century AD) and flourished under the Golconda Sultanate. The British, along with the Dutch and French, established trading posts there in the 17th century, but its prominence declined when the British shifted their focus to Madras (Chennai). Statement 2 is correct. The historical decline of Machilipatnam as a major port was attributed to a combination of factors. One of these was a policy shift by the British. Another significant factor was natural siltation, a process where coastal sedimentation gradually made the harbour less accessible and suitable for large ships, coupled with a lack of modernization efforts at the time. Statement 3 is incorrect. The new Greenfield Port is a modern, deep-water port. It is being constructed with advanced engineering features like breakwaters and is designed to have a deep draft. Phase-I itself is planned to handle large ships of up to 80,000 tonnes, with a projected capacity of 36 Million Tonnes Per Annum (MTPA). This is the opposite of a shallow-water port for small vessels. Incorrect Solution: A Statement 1 is incorrect. Machilipatnam’s history as a thriving port long predates the British era. It was a significant maritime hub as early as the Satavahana period (1st century AD) and flourished under the Golconda Sultanate. The British, along with the Dutch and French, established trading posts there in the 17th century, but its prominence declined when the British shifted their focus to Madras (Chennai). Statement 2 is correct. The historical decline of Machilipatnam as a major port was attributed to a combination of factors. One of these was a policy shift by the British. Another significant factor was natural siltation, a process where coastal sedimentation gradually made the harbour less accessible and suitable for large ships, coupled with a lack of modernization efforts at the time. Statement 3 is incorrect. The new Greenfield Port is a modern, deep-water port. It is being constructed with advanced engineering features like breakwaters and is designed to have a deep draft. Phase-I itself is planned to handle large ships of up to 80,000 tonnes, with a projected capacity of 36 Million Tonnes Per Annum (MTPA). This is the opposite of a shallow-water port for small vessels.

#### 6. Question

Consider the following statements about the historical and modern significance of Machilipatnam:

• Its prominence as a port began during the British colonial era, as it was developed to compete with Dutch-controlled ports.

• The decline of the ancient port was partly due to natural factors like coastal sedimentation.

• The modern Greenfield Port being developed is designed to be a shallow-water port, capable of handling only small vessels.

How many of the above statements is/are correct?

• (a) Only one

• (b) Only two

• (c) All three

Solution: A

• Statement 1 is incorrect. Machilipatnam’s history as a thriving port long predates the British era. It was a significant maritime hub as early as the Satavahana period (1st century AD) and flourished under the Golconda Sultanate. The British, along with the Dutch and French, established trading posts there in the 17th century, but its prominence declined when the British shifted their focus to Madras (Chennai).

• Statement 2 is correct. The historical decline of Machilipatnam as a major port was attributed to a combination of factors. One of these was a policy shift by the British. Another significant factor was natural siltation, a process where coastal sedimentation gradually made the harbour less accessible and suitable for large ships, coupled with a lack of modernization efforts at the time.

Statement 3 is incorrect. The new Greenfield Port is a modern, deep-water port. It is being constructed with advanced engineering features like breakwaters and is designed to have a deep draft. Phase-I itself is planned to handle large ships of up to 80,000 tonnes, with a projected capacity of 36 Million Tonnes Per Annum (MTPA). This is the opposite of a shallow-water port for small vessels.

Solution: A

• Question 7 of 10 7. Question 1 points Which of the following geographical features are characteristic of Sierra Leone? The Fouta Djallon highlands, which are the source of its major rivers. Mount Bintimani, the highest peak in West Africa. A coastline dominated by fjords and deep-sea trenches. Seasonally flooded inland plains known as ‘Bolilands’. Select the correct answer using the code given below: (a) 3 and 4 only (b) 2 and 3 only (c) 1, 2 and 4 only (d) 1 and 4 only Correct Solution: D Statement 1 is correct. Sierra Leone’s major rivers, such as the Moa and Rokel, originate in the Fouta Djallon highlands, which are located primarily in neighbouring Guinea, and flow southwest towards the Atlantic Ocean. Statement 2 is incorrect. While Mount Bintimani is the highest peak in Sierra Leone, it is not the highest in West Africa. That distinction belongs to Mount Cameroon. Statement 3 is incorrect. Sierra Leone’s coast is characterized by a peninsula where Freetown is located, mangrove swamps, and a large natural harbour. It is not known for fjords, which are deep, narrow sea inlets formed by glacial erosion, typically found in places like Norway or New Zealand. Statement 4 is correct. The inland plains of Sierra Leone feature seasonally flooded grasslands and swamps, which are locally known as ‘Bolilands’. This is a distinct feature of its topography. Incorrect Solution: D Statement 1 is correct. Sierra Leone’s major rivers, such as the Moa and Rokel, originate in the Fouta Djallon highlands, which are located primarily in neighbouring Guinea, and flow southwest towards the Atlantic Ocean. Statement 2 is incorrect. While Mount Bintimani is the highest peak in Sierra Leone, it is not the highest in West Africa. That distinction belongs to Mount Cameroon. Statement 3 is incorrect. Sierra Leone’s coast is characterized by a peninsula where Freetown is located, mangrove swamps, and a large natural harbour. It is not known for fjords, which are deep, narrow sea inlets formed by glacial erosion, typically found in places like Norway or New Zealand. Statement 4 is correct. The inland plains of Sierra Leone feature seasonally flooded grasslands and swamps, which are locally known as ‘Bolilands’. This is a distinct feature of its topography.

#### 7. Question

Which of the following geographical features are characteristic of Sierra Leone?

• The Fouta Djallon highlands, which are the source of its major rivers.

• Mount Bintimani, the highest peak in West Africa.

• A coastline dominated by fjords and deep-sea trenches.

• Seasonally flooded inland plains known as ‘Bolilands’.

Select the correct answer using the code given below:

• (a) 3 and 4 only

• (b) 2 and 3 only

• (c) 1, 2 and 4 only

• (d) 1 and 4 only

Solution: D

• Statement 1 is correct. Sierra Leone’s major rivers, such as the Moa and Rokel, originate in the Fouta Djallon highlands, which are located primarily in neighbouring Guinea, and flow southwest towards the Atlantic Ocean.

• Statement 2 is incorrect. While Mount Bintimani is the highest peak in Sierra Leone, it is not the highest in West Africa. That distinction belongs to Mount Cameroon.

• Statement 3 is incorrect. Sierra Leone’s coast is characterized by a peninsula where Freetown is located, mangrove swamps, and a large natural harbour. It is not known for fjords, which are deep, narrow sea inlets formed by glacial erosion, typically found in places like Norway or New Zealand.

Statement 4 is correct. The inland plains of Sierra Leone feature seasonally flooded grasslands and swamps, which are locally known as ‘Bolilands’. This is a distinct feature of its topography.

Solution: D

• Statement 2 is incorrect. While Mount Bintimani is the highest peak in Sierra Leone, it is not the highest in West Africa. That distinction belongs to Mount Cameroon.

• Question 8 of 10 8. Question 1 points Consider the following statements regarding Maglev train technology: Statement I: Maglev trains operate only on the principle of magnetic repulsion, utilizing superconductors for levitation. Statement II: The technology was first conceptualized in the early 20th century but saw its first commercial application in China. Statement III: A primary limitation of Maglev technology is its incompatibility with existing conventional railway infrastructure. Which of the following is correct in respect of the above statements? (a) Statement III is correct and explains why Statements I and II are significant. (b) Statements I and II are correct, but Statement III is incorrect. (c) Only Statement III is correct. (d) None of the statements are correct. Correct Solution: C Statement I is incorrect. Maglev technology uses two different systems for suspension: Electromagnetic Suspension (EMS), which uses magnetic attraction, and Electrodynamic Suspension (EDS), which uses magnetic repulsion with superconductors. Stating that it operates only on repulsion is inaccurate. Statement II is incorrect. While the concepts were developed in the early 1900s, the first commercial Maglev train was launched in 1984 in the United Kingdom (Birmingham Airport), not in China. China later became a prominent operator and developer of high-speed Maglevs. Statement III is correct. This is a major and widely recognized limitation. Maglev trains require a dedicated, specialized guideway built with magnetic coils. They cannot operate on existing conventional rail tracks. This lack of interoperability means that implementing Maglev systems requires building an entirely new and very expensive infrastructure from scratch, which is a significant barrier to widespread adoption. Incorrect Solution: C Statement I is incorrect. Maglev technology uses two different systems for suspension: Electromagnetic Suspension (EMS), which uses magnetic attraction, and Electrodynamic Suspension (EDS), which uses magnetic repulsion with superconductors. Stating that it operates only on repulsion is inaccurate. Statement II is incorrect. While the concepts were developed in the early 1900s, the first commercial Maglev train was launched in 1984 in the United Kingdom (Birmingham Airport), not in China. China later became a prominent operator and developer of high-speed Maglevs. Statement III is correct. This is a major and widely recognized limitation. Maglev trains require a dedicated, specialized guideway built with magnetic coils. They cannot operate on existing conventional rail tracks. This lack of interoperability means that implementing Maglev systems requires building an entirely new and very expensive infrastructure from scratch, which is a significant barrier to widespread adoption.

#### 8. Question

Consider the following statements regarding Maglev train technology:

Statement I: Maglev trains operate only on the principle of magnetic repulsion, utilizing superconductors for levitation.

Statement II: The technology was first conceptualized in the early 20th century but saw its first commercial application in China.

Statement III: A primary limitation of Maglev technology is its incompatibility with existing conventional railway infrastructure.

Which of the following is correct in respect of the above statements?

• (a) Statement III is correct and explains why Statements I and II are significant.

• (b) Statements I and II are correct, but Statement III is incorrect.

• (c) Only Statement III is correct.

• (d) None of the statements are correct.

Solution: C

• Statement I is incorrect. Maglev technology uses two different systems for suspension: Electromagnetic Suspension (EMS), which uses magnetic attraction, and Electrodynamic Suspension (EDS), which uses magnetic repulsion with superconductors. Stating that it operates only on repulsion is inaccurate.

• Statement II is incorrect. While the concepts were developed in the early 1900s, the first commercial Maglev train was launched in 1984 in the United Kingdom (Birmingham Airport), not in China. China later became a prominent operator and developer of high-speed Maglevs.

• Statement III is correct. This is a major and widely recognized limitation. Maglev trains require a dedicated, specialized guideway built with magnetic coils. They cannot operate on existing conventional rail tracks. This lack of interoperability means that implementing Maglev systems requires building an entirely new and very expensive infrastructure from scratch, which is a significant barrier to widespread adoption.

Solution: C

• Question 9 of 10 9. Question 1 points With regard to the newly designated World Heritage Site in Sierra Leone, consider the following statements: The site is purely a cultural heritage site, recognized for its historical trade routes. It comprises two geographically distinct areas: Tiwai Island and the Gola Rainforest. Which of the above statements is/are correct? (a) 1 only (b) 2 only (c) Both 1 and 2 (d) Neither 1 nor 2 Correct Solution: B Statement 1 is incorrect. The site, comprising Tiwai Island and the Gola Rainforest, has been declared a natural heritage site by UNESCO. Its value lies in its exceptional biodiversity, including endangered primates and other wildlife, not in cultural aspects like trade routes. Statement 2 is correct. The World Heritage Site consists of two key components: the Tiwai Island Wildlife Sanctuary and the Gola Rainforest National Park. These are recognized together for their collective ecological value. Incorrect Solution: B Statement 1 is incorrect. The site, comprising Tiwai Island and the Gola Rainforest, has been declared a natural heritage site by UNESCO. Its value lies in its exceptional biodiversity, including endangered primates and other wildlife, not in cultural aspects like trade routes. Statement 2 is correct. The World Heritage Site consists of two key components: the Tiwai Island Wildlife Sanctuary and the Gola Rainforest National Park. These are recognized together for their collective ecological value.

#### 9. Question

With regard to the newly designated World Heritage Site in Sierra Leone, consider the following statements:

• The site is purely a cultural heritage site, recognized for its historical trade routes.

• It comprises two geographically distinct areas: Tiwai Island and the Gola Rainforest.

Which of the above statements is/are correct?

• (a) 1 only

• (b) 2 only

• (c) Both 1 and 2

• (d) Neither 1 nor 2

Solution: B

• Statement 1 is incorrect. The site, comprising Tiwai Island and the Gola Rainforest, has been declared a natural heritage site by UNESCO. Its value lies in its exceptional biodiversity, including endangered primates and other wildlife, not in cultural aspects like trade routes.

Statement 2 is correct. The World Heritage Site consists of two key components: the Tiwai Island Wildlife Sanctuary and the Gola Rainforest National Park. These are recognized together for their collective ecological value.

Solution: B

• Question 10 of 10 10. Question 1 points Consider the following statements regarding the new digital attendance system in the Lok Sabha: Statement I: The implementation of the seat-based digital attendance system is a step towards creating a ‘Digital Parliament’ and enhancing legislative efficiency. Statement II: The system promotes accountability by creating an accurate, real-time record of MP presence, which is linked to their daily allowances. Which one of the following is correct in respect of the above statements? (a) Both Statement-I and Statement-II are correct and Statement-II is the correct explanation for Statement-I (b) Both Statement-I and Statement-II are correct and Statement-II is not the correct explanation for Statement-I (c) Statement-I is correct but Statement-II is incorrect (d) Statement-I is incorrect but Statement-II is correct Correct Solution: A Statement I correctly identifies the broader strategic goal of the new digital attendance system. It is a key component of the larger vision for a ‘Digital Parliament’. By modernizing procedural aspects like attendance, it aims to save time, reduce paperwork, and thereby improve overall parliamentary efficiency. Statement II provides specific, practical benefits of this system that contribute to the goal mentioned in Statement I. By creating an accurate, real-time log of attendance, the system directly enhances transparency and accountability. This accurate record is crucial for public information and for administrative purposes like the disbursal of daily allowances to MPs, which is contingent upon their presence. Therefore, the benefits of improved accountability and accurate record-keeping (Statement-II) are a direct consequence and a primary reason for implementing the digital system to achieve the goal of efficiency and digital governance (Statement-I). Incorrect Solution: A Statement I correctly identifies the broader strategic goal of the new digital attendance system. It is a key component of the larger vision for a ‘Digital Parliament’. By modernizing procedural aspects like attendance, it aims to save time, reduce paperwork, and thereby improve overall parliamentary efficiency. Statement II provides specific, practical benefits of this system that contribute to the goal mentioned in Statement I. By creating an accurate, real-time log of attendance, the system directly enhances transparency and accountability. This accurate record is crucial for public information and for administrative purposes like the disbursal of daily allowances to MPs, which is contingent upon their presence. Therefore, the benefits of improved accountability and accurate record-keeping (Statement-II) are a direct consequence and a primary reason for implementing the digital system to achieve the goal of efficiency and digital governance (Statement-I).

#### 10. Question

Consider the following statements regarding the new digital attendance system in the Lok Sabha:

Statement I: The implementation of the seat-based digital attendance system is a step towards creating a ‘Digital Parliament’ and enhancing legislative efficiency.

Statement II: The system promotes accountability by creating an accurate, real-time record of MP presence, which is linked to their daily allowances.

Which one of the following is correct in respect of the above statements?

• (a) Both Statement-I and Statement-II are correct and Statement-II is the correct explanation for Statement-I

• (b) Both Statement-I and Statement-II are correct and Statement-II is not the correct explanation for Statement-I

• (c) Statement-I is correct but Statement-II is incorrect

• (d) Statement-I is incorrect but Statement-II is correct

Solution: A

• Statement I correctly identifies the broader strategic goal of the new digital attendance system. It is a key component of the larger vision for a ‘Digital Parliament’. By modernizing procedural aspects like attendance, it aims to save time, reduce paperwork, and thereby improve overall parliamentary efficiency.

• Statement II provides specific, practical benefits of this system that contribute to the goal mentioned in Statement I. By creating an accurate, real-time log of attendance, the system directly enhances transparency and accountability. This accurate record is crucial for public information and for administrative purposes like the disbursal of daily allowances to MPs, which is contingent upon their presence.

• Therefore, the benefits of improved accountability and accurate record-keeping (Statement-II) are a direct consequence and a primary reason for implementing the digital system to achieve the goal of efficiency and digital governance (Statement-I).

Solution: A

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