UPSC Editorials Quiz : 8 November 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 Consider the following statements regarding the Vijayanagara Empire’s contributions to hydrology: The Vijayanagara rulers built reservoirs by damming rivers and streams. The Tungabhadra tank system remains a significant feat of ancient water engineering. Irrigation projects were aimed at sustaining agricultural production and preventing droughts. The Vijayanagara Empire pioneered the karez system for groundwater extraction. Which of the above statements are correct? (a) 1 and 2 only (b) 1, 3, and 4 only (c) 1, 2 and 3 only (d) 1, 2, 3 and 4 Correct Solution: C Statement 1 is correct: Vijayanagara rulers dammed rivers and streams to create reservoirs. Statement 2 is correct: The Tungabhadra tank system was an advanced irrigation project. Statement 3 is correct: The empire’s irrigation efforts were aimed at enhancing agricultural output and managing water during droughts. Statement 4 is incorrect: The karez system was introduced by the Bahamani Sultanate, not the Vijayanagara Empire. Vijayanagara Empire (1336-1646 CE): Transformed valleys into tanks and vast reservoirs. Actively promoted agriculture through extensive irrigation projects. E.g. The Tungabhadra tank system for water storage and agriculture. Bahamani Sultanate (1347-1527 CE): Introduced the karez system for groundwater extraction. This system uses underground shafts and sloping tunnels to bring water from an upland aquifer to the surface. It is eco-friendly, relying on gravity instead of fuel-powered machines. E.g. Karez networks in Bidar and Gulbarga regions. Incorrect Solution: C Statement 1 is correct: Vijayanagara rulers dammed rivers and streams to create reservoirs. Statement 2 is correct: The Tungabhadra tank system was an advanced irrigation project. Statement 3 is correct: The empire’s irrigation efforts were aimed at enhancing agricultural output and managing water during droughts. Statement 4 is incorrect: The karez system was introduced by the Bahamani Sultanate, not the Vijayanagara Empire. Vijayanagara Empire (1336-1646 CE): Transformed valleys into tanks and vast reservoirs. Actively promoted agriculture through extensive irrigation projects. E.g. The Tungabhadra tank system for water storage and agriculture. Bahamani Sultanate (1347-1527 CE): Introduced the karez system for groundwater extraction. This system uses underground shafts and sloping tunnels to bring water from an upland aquifer to the surface. It is eco-friendly, relying on gravity instead of fuel-powered machines. E.g. Karez networks in Bidar and Gulbarga regions.
#### 1. Question
Consider the following statements regarding the Vijayanagara Empire’s contributions to hydrology:
• The Vijayanagara rulers built reservoirs by damming rivers and streams.
• The Tungabhadra tank system remains a significant feat of ancient water engineering.
• Irrigation projects were aimed at sustaining agricultural production and preventing droughts.
• The Vijayanagara Empire pioneered the karez system for groundwater extraction.
Which of the above statements are correct?
• (a) 1 and 2 only
• (b) 1, 3, and 4 only
• (c) 1, 2 and 3 only
• (d) 1, 2, 3 and 4
Solution: C
• Statement 1 is correct: Vijayanagara rulers dammed rivers and streams to create reservoirs.
• Statement 2 is correct: The Tungabhadra tank system was an advanced irrigation project.
• Statement 3 is correct: The empire’s irrigation efforts were aimed at enhancing agricultural output and managing water during droughts.
• Statement 4 is incorrect: The karez system was introduced by the Bahamani Sultanate, not the Vijayanagara Empire.
Vijayanagara Empire (1336-1646 CE):
• Transformed valleys into tanks and vast reservoirs.
• Actively promoted agriculture through extensive irrigation projects.
E.g. The Tungabhadra tank system for water storage and agriculture.
Bahamani Sultanate (1347-1527 CE):
• Introduced the karez system for groundwater extraction.
• This system uses underground shafts and sloping tunnels to bring water from an upland aquifer to the surface. It is eco-friendly, relying on gravity instead of fuel-powered machines.
E.g. Karez networks in Bidar and Gulbarga regions.
Solution: C
• Statement 1 is correct: Vijayanagara rulers dammed rivers and streams to create reservoirs.
• Statement 2 is correct: The Tungabhadra tank system was an advanced irrigation project.
• Statement 3 is correct: The empire’s irrigation efforts were aimed at enhancing agricultural output and managing water during droughts.
• Statement 4 is incorrect: The karez system was introduced by the Bahamani Sultanate, not the Vijayanagara Empire.
Vijayanagara Empire (1336-1646 CE):
• Transformed valleys into tanks and vast reservoirs.
• Actively promoted agriculture through extensive irrigation projects.
E.g. The Tungabhadra tank system for water storage and agriculture.
Bahamani Sultanate (1347-1527 CE):
• Introduced the karez system for groundwater extraction.
• This system uses underground shafts and sloping tunnels to bring water from an upland aquifer to the surface. It is eco-friendly, relying on gravity instead of fuel-powered machines.
E.g. Karez networks in Bidar and Gulbarga regions.
• Question 2 of 5 2. Question Consider the following statements about Lok Sabha seating arrangements: Seats are allocated based on the individual MP’s seniority. Members of smaller parties with fewer than five MPs are placed at the Speaker’s discretion. Opposition party members always sit in the last rows of the chamber. How many of the above statements are correct? (a) Only one (b) Only two (c) All three (d) None Correct Solution: A Only Statement 2 is correct. Statement 1 is incorrect because seating is allocated based on party strength, not individual seniority. Statement 3 is incorrect as opposition members are placed on the left side, not necessarily in the last rows. About Seating Arrangement in Lok Sabha: What It Is: The systematic allocation of seats for Members of Parliament (MPs) in the Lok Sabha chamber. It reflects the party’s strength and promotes organized conduct of proceedings. Law Governing: Rule 4 of the Rules of Procedure and Conduct of Business in Lok Sabha. Direction 122(1)(a) under Directions by the Speaker provides the framework for seat allocation. Who Does It: The Speaker of the Lok Sabha determines the seating arrangement. Procedure: Seats are allocated based on the proportionate strength of parties. Ruling party members sit on the right side of the Speaker; opposition parties sit on the left. Smaller parties (fewer than 5 members) and independents are placed at the Speaker’s discretion. The following formula is applied to decide allotment of seats for parties that have a strength of 5 or more members in the house. Parties submit recommendations,and the Speaker finalizes the individual placements. Incorrect Solution: A Only Statement 2 is correct. Statement 1 is incorrect because seating is allocated based on party strength, not individual seniority. Statement 3 is incorrect as opposition members are placed on the left side, not necessarily in the last rows. About Seating Arrangement in Lok Sabha: What It Is: The systematic allocation of seats for Members of Parliament (MPs) in the Lok Sabha chamber. It reflects the party’s strength and promotes organized conduct of proceedings. Law Governing: Rule 4 of the Rules of Procedure and Conduct of Business in Lok Sabha. Direction 122(1)(a) under Directions by the Speaker provides the framework for seat allocation. Who Does It: The Speaker of the Lok Sabha determines the seating arrangement. Procedure: Seats are allocated based on the proportionate strength of parties. Ruling party members sit on the right side of the Speaker; opposition parties sit on the left. Smaller parties (fewer than 5 members) and independents are placed at the Speaker’s discretion. The following formula is applied to decide allotment of seats for parties that have a strength of 5 or more members in the house. Parties submit recommendations,and the Speaker finalizes the individual placements.
#### 2. Question
Consider the following statements about Lok Sabha seating arrangements:
• Seats are allocated based on the individual MP’s seniority.
• Members of smaller parties with fewer than five MPs are placed at the Speaker’s discretion.
• Opposition party members always sit in the last rows of the chamber.
How many of the above statements are correct?
• (a) Only one
• (b) Only two
• (c) All three
Solution: A
Only Statement 2 is correct.
Statement 1 is incorrect because seating is allocated based on party strength, not individual seniority. Statement 3 is incorrect as opposition members are placed on the left side, not necessarily in the last rows.
About Seating Arrangement in Lok Sabha:
• What It Is: The systematic allocation of seats for Members of Parliament (MPs) in the Lok Sabha chamber. It reflects the party’s strength and promotes organized conduct of proceedings.
• The systematic allocation of seats for Members of Parliament (MPs) in the Lok Sabha chamber. It reflects the party’s strength and promotes organized conduct of proceedings.
• Law Governing: Rule 4 of the Rules of Procedure and Conduct of Business in Lok Sabha. Direction 122(1)(a) under Directions by the Speaker provides the framework for seat allocation.
• Rule 4 of the Rules of Procedure and Conduct of Business in Lok Sabha.
• Direction 122(1)(a) under Directions by the Speaker provides the framework for seat allocation.
• Who Does It: The Speaker of the Lok Sabha determines the seating arrangement.
• The Speaker of the Lok Sabha determines the seating arrangement.
• Procedure: Seats are allocated based on the proportionate strength of parties. Ruling party members sit on the right side of the Speaker; opposition parties sit on the left. Smaller parties (fewer than 5 members) and independents are placed at the Speaker’s discretion. The following formula is applied to decide allotment of seats for parties that have a strength of 5 or more members in the house.
• Seats are allocated based on the proportionate strength of parties.
• Ruling party members sit on the right side of the Speaker; opposition parties sit on the left.
• Smaller parties (fewer than 5 members) and independents are placed at the Speaker’s discretion.
• The following formula is applied to decide allotment of seats for parties that have a strength of 5 or more members in the house.
Parties submit recommendations,and the Speaker finalizes the individual placements.
Solution: A
Only Statement 2 is correct.
Statement 1 is incorrect because seating is allocated based on party strength, not individual seniority. Statement 3 is incorrect as opposition members are placed on the left side, not necessarily in the last rows.
About Seating Arrangement in Lok Sabha:
• What It Is: The systematic allocation of seats for Members of Parliament (MPs) in the Lok Sabha chamber. It reflects the party’s strength and promotes organized conduct of proceedings.
• The systematic allocation of seats for Members of Parliament (MPs) in the Lok Sabha chamber. It reflects the party’s strength and promotes organized conduct of proceedings.
• Law Governing: Rule 4 of the Rules of Procedure and Conduct of Business in Lok Sabha. Direction 122(1)(a) under Directions by the Speaker provides the framework for seat allocation.
• Rule 4 of the Rules of Procedure and Conduct of Business in Lok Sabha.
• Direction 122(1)(a) under Directions by the Speaker provides the framework for seat allocation.
• Who Does It: The Speaker of the Lok Sabha determines the seating arrangement.
• The Speaker of the Lok Sabha determines the seating arrangement.
• Procedure: Seats are allocated based on the proportionate strength of parties. Ruling party members sit on the right side of the Speaker; opposition parties sit on the left. Smaller parties (fewer than 5 members) and independents are placed at the Speaker’s discretion. The following formula is applied to decide allotment of seats for parties that have a strength of 5 or more members in the house.
• Seats are allocated based on the proportionate strength of parties.
• Ruling party members sit on the right side of the Speaker; opposition parties sit on the left.
• Smaller parties (fewer than 5 members) and independents are placed at the Speaker’s discretion.
• The following formula is applied to decide allotment of seats for parties that have a strength of 5 or more members in the house.
Parties submit recommendations,and the Speaker finalizes the individual placements.
• Question 3 of 5 3. Question The primary advantage of nanobubbles in water purification is: a) Coalescing to form larger bubbles for better visibility b) Absorbing impurities through surface cohesion c) Rapid dissolution of gases into the atmosphere d) Prolonged interaction with water for efficient cleaning Correct Solution: D Due to their neutral buoyancy, nanobubbles remain suspended in water for months, allowing extended interaction and efficient gas transfer, which enhances water purification. What is Nano Bubble Technology? Definition: It uses nanobubbles, which are ultra-tiny bubbles less than 200 nanometers in diameter, to purify water. Innovative Nature: Nanobubbles are neutrally buoyant and remain suspended in water for months, enabling efficient gas transfer and surface reactions. Properties of Nanobubbles: Size: 70-120 nanometers, 2500 times smaller than a grain of salt. Surface Charge: Strong negative charge prevents coalescing and supports microbiological stimulation. Neutral Buoyancy: Ensures prolonged interaction with water for effective cleaning. Hydrophobic Nature: Repels water, helping to lift organic and inorganic impurities. Incorrect Solution: D Due to their neutral buoyancy, nanobubbles remain suspended in water for months, allowing extended interaction and efficient gas transfer, which enhances water purification. What is Nano Bubble Technology? Definition: It uses nanobubbles, which are ultra-tiny bubbles less than 200 nanometers in diameter, to purify water. Innovative Nature: Nanobubbles are neutrally buoyant and remain suspended in water for months, enabling efficient gas transfer and surface reactions. Properties of Nanobubbles: Size: 70-120 nanometers, 2500 times smaller than a grain of salt. Surface Charge: Strong negative charge prevents coalescing and supports microbiological stimulation. Neutral Buoyancy: Ensures prolonged interaction with water for effective cleaning. Hydrophobic Nature: Repels water, helping to lift organic and inorganic impurities.
#### 3. Question
The primary advantage of nanobubbles in water purification is:
• a) Coalescing to form larger bubbles for better visibility
• b) Absorbing impurities through surface cohesion
• c) Rapid dissolution of gases into the atmosphere
• d) Prolonged interaction with water for efficient cleaning
Solution: D
Due to their neutral buoyancy, nanobubbles remain suspended in water for months, allowing extended interaction and efficient gas transfer, which enhances water purification.
What is Nano Bubble Technology?
• Definition: It uses nanobubbles, which are ultra-tiny bubbles less than 200 nanometers in diameter, to purify water.
• Innovative Nature: Nanobubbles are neutrally buoyant and remain suspended in water for months, enabling efficient gas transfer and surface reactions.
Properties of Nanobubbles:
• Size: 70-120 nanometers, 2500 times smaller than a grain of salt.
• Surface Charge: Strong negative charge prevents coalescing and supports microbiological stimulation.
• Neutral Buoyancy: Ensures prolonged interaction with water for effective cleaning.
• Hydrophobic Nature: Repels water, helping to lift organic and inorganic impurities.
Solution: D
Due to their neutral buoyancy, nanobubbles remain suspended in water for months, allowing extended interaction and efficient gas transfer, which enhances water purification.
What is Nano Bubble Technology?
• Definition: It uses nanobubbles, which are ultra-tiny bubbles less than 200 nanometers in diameter, to purify water.
• Innovative Nature: Nanobubbles are neutrally buoyant and remain suspended in water for months, enabling efficient gas transfer and surface reactions.
Properties of Nanobubbles:
• Size: 70-120 nanometers, 2500 times smaller than a grain of salt.
• Surface Charge: Strong negative charge prevents coalescing and supports microbiological stimulation.
• Neutral Buoyancy: Ensures prolonged interaction with water for effective cleaning.
• Hydrophobic Nature: Repels water, helping to lift organic and inorganic impurities.
• Question 4 of 5 4. Question What is the Demilitarized Zone (DMZ) between North and South Korea? a) A region controlled jointly by North and South Korea b) A permanent land border established by the 38th parallel c) A 250-kilometer-long buffer zone established post-Korean War d) A maritime border in the Sea of Japan Correct Solution: C The DMZ is a heavily fortified buffer zone between North and South Korea, established after the Korean War. It is approximately 250 kilometers long and separates the two nations militarily and politically. Incorrect Solution: C The DMZ is a heavily fortified buffer zone between North and South Korea, established after the Korean War. It is approximately 250 kilometers long and separates the two nations militarily and politically.
#### 4. Question
What is the Demilitarized Zone (DMZ) between North and South Korea?
• a) A region controlled jointly by North and South Korea
• b) A permanent land border established by the 38th parallel
• c) A 250-kilometer-long buffer zone established post-Korean War
• d) A maritime border in the Sea of Japan
Solution: C
The DMZ is a heavily fortified buffer zone between North and South Korea, established after the Korean War. It is approximately 250 kilometers long and separates the two nations militarily and politically.
Solution: C
The DMZ is a heavily fortified buffer zone between North and South Korea, established after the Korean War. It is approximately 250 kilometers long and separates the two nations militarily and politically.
• Question 5 of 5 5. Question Which of the following best describes extrachromosomal DNA (ecDNA)? a) DNA sequences integrated into chromosomal DNA b) Viral DNA segments inserted into the host genome c) Linear DNA segments located outside the cell nucleus d) Circular DNA fragments floating freely in the cell nucleus Correct Solution: D Extrachromosomal DNA (ecDNA) refers to circular fragments of genetic material that detach from chromosomes and remain within the nucleus. These are distinct from linear chromosomal DNA or viral DNA integrated into the host genome. About Extrachromosomal DNA (ecDNA): What is ecDNA? Definition: ecDNA is a circular fragment of genetic material that breaks away from chromosomes and floats freely in the cell nucleus. Formation: Created by DNA damage, chromosomal rearrangements, or errors during cell replication. Where is ecDNA Found? Commonly present in cancer cells. Detected in 17% of tumor samples, with higher prevalence in liposarcomas, brain tumors, and breast cancers. Key Features of ecDNA Carries Oncogenes: Contains multiple copies of cancer-causing genes. Dynamic Interactions: Moves freely in the nucleus, forming concentrated hubs that amplify oncogene expression. Violates Mendel’s Third Law: ecDNA clusters are inherited together, preserving advantageous genetic combinations. Incorrect Solution: D Extrachromosomal DNA (ecDNA) refers to circular fragments of genetic material that detach from chromosomes and remain within the nucleus. These are distinct from linear chromosomal DNA or viral DNA integrated into the host genome. About Extrachromosomal DNA (ecDNA): What is ecDNA? Definition: ecDNA is a circular fragment of genetic material that breaks away from chromosomes and floats freely in the cell nucleus. Formation: Created by DNA damage, chromosomal rearrangements, or errors during cell replication. Where is ecDNA Found? Commonly present in cancer cells. Detected in 17% of tumor samples, with higher prevalence in liposarcomas, brain tumors, and breast cancers. Key Features of ecDNA Carries Oncogenes: Contains multiple copies of cancer-causing genes. Dynamic Interactions: Moves freely in the nucleus, forming concentrated hubs that amplify oncogene expression. Violates Mendel’s Third Law: ecDNA clusters are inherited together, preserving advantageous genetic combinations.
#### 5. Question
Which of the following best describes extrachromosomal DNA (ecDNA)?
• a) DNA sequences integrated into chromosomal DNA
• b) Viral DNA segments inserted into the host genome
• c) Linear DNA segments located outside the cell nucleus
• d) Circular DNA fragments floating freely in the cell nucleus
Solution: D
Extrachromosomal DNA (ecDNA) refers to circular fragments of genetic material that detach from chromosomes and remain within the nucleus. These are distinct from linear chromosomal DNA or viral DNA integrated into the host genome.
About Extrachromosomal DNA (ecDNA):
• What is ecDNA?
• Definition: ecDNA is a circular fragment of genetic material that breaks away from chromosomes and floats freely in the cell nucleus. Formation: Created by DNA damage, chromosomal rearrangements, or errors during cell replication.
• Definition: ecDNA is a circular fragment of genetic material that breaks away from chromosomes and floats freely in the cell nucleus.
• Formation: Created by DNA damage, chromosomal rearrangements, or errors during cell replication.
• Where is ecDNA Found?
• Commonly present in cancer cells. Detected in 17% of tumor samples, with higher prevalence in liposarcomas, brain tumors, and breast cancers.
• Commonly present in cancer cells.
• Detected in 17% of tumor samples, with higher prevalence in liposarcomas, brain tumors, and breast cancers.
• Key Features of ecDNA
• Carries Oncogenes: Contains multiple copies of cancer-causing genes. Dynamic Interactions: Moves freely in the nucleus, forming concentrated hubs that amplify oncogene expression. Violates Mendel’s Third Law: ecDNA clusters are inherited together, preserving advantageous genetic combinations.
• Carries Oncogenes: Contains multiple copies of cancer-causing genes.
• Dynamic Interactions: Moves freely in the nucleus, forming concentrated hubs that amplify oncogene expression.
• Violates Mendel’s Third Law: ecDNA clusters are inherited together, preserving advantageous genetic combinations.
Solution: D
Extrachromosomal DNA (ecDNA) refers to circular fragments of genetic material that detach from chromosomes and remain within the nucleus. These are distinct from linear chromosomal DNA or viral DNA integrated into the host genome.
About Extrachromosomal DNA (ecDNA):
• What is ecDNA?
• Definition: ecDNA is a circular fragment of genetic material that breaks away from chromosomes and floats freely in the cell nucleus. Formation: Created by DNA damage, chromosomal rearrangements, or errors during cell replication.
• Definition: ecDNA is a circular fragment of genetic material that breaks away from chromosomes and floats freely in the cell nucleus.
• Formation: Created by DNA damage, chromosomal rearrangements, or errors during cell replication.
• Where is ecDNA Found?
• Commonly present in cancer cells. Detected in 17% of tumor samples, with higher prevalence in liposarcomas, brain tumors, and breast cancers.
• Commonly present in cancer cells.
• Detected in 17% of tumor samples, with higher prevalence in liposarcomas, brain tumors, and breast cancers.
• Key Features of ecDNA
• Carries Oncogenes: Contains multiple copies of cancer-causing genes. Dynamic Interactions: Moves freely in the nucleus, forming concentrated hubs that amplify oncogene expression. Violates Mendel’s Third Law: ecDNA clusters are inherited together, preserving advantageous genetic combinations.
• Carries Oncogenes: Contains multiple copies of cancer-causing genes.
• Dynamic Interactions: Moves freely in the nucleus, forming concentrated hubs that amplify oncogene expression.
• Violates Mendel’s Third Law: ecDNA clusters are inherited together, preserving advantageous genetic combinations.
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