UPSC Current Affairs Quiz : 11 April 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 Consider the following statements regarding ZooWIN portal: ZooWIN is a global initiative by the WHO for pandemic preparedness. It uses artificial intelligence to predict zoonotic outbreaks. It is currently operational in all 28 Indian states. How many of the above statements is/are correct? (a) Only one (b) Only two (c) All three (d) None Correct Solution: d) Statement 1 is incorrect —ZooWIN is an Indian initiative developed by NCDC under MoHFW, not a WHO-led global programme. Statement 2 is incorrect—although the portal is digital, it does not use AI to predict outbreaks. Its focus is on stock visibility and patient tracking for rabies and snakebite cases. Statement 3 is incorrect —ZooWIN is currently being piloted in a few states, namely Delhi, Andhra Pradesh, Madhya Pradesh, Assam, and Puducherry. It has not yet been rolled out nationwide. What is ZooWIN? ZooWIN (Zoonoses-WIN) is a digital portal to monitor stocks of Anti-Rabies Vaccine (ARV) and Anti-Snake Venom (ASV) across India. It ensures better coordination among healthcare systems, especially in rural and underserved areas. Developed By: The portal is developed by the National Centre for Disease Control (NCDC) under the Ministry of Health and Family Welfare (MoHFW). It is technically supported by the United Nations Development Programme (UNDP). Aim of ZooWIN: To strengthen the prevention, control, and treatment of zoonotic diseases like rabies and snakebite. To ensure real-time visibility of vaccine stocks for timely availability and distribution. Key Features of ZooWIN: Real-Time Tracking: Enables real-time data on vaccine availability using eVIN and U-WIN architecture. Health Facility Locator: Helps users locate the nearest health centre stocked with ARV or ASV. Follow-Up Tracking: Tracks patients for post-exposure prophylaxis (PEP) to ensure full treatment adherence. Integration with One Health Approach: Supports the National Action Plan for Snakebite Envenoming (NAPSE), targeting 50% reduction in deaths by 2030. Public Helpline Service: Operates helpline 15400 in pilot states for awareness and treatment guidance. Pilot Rollout: The platform is being piloted in Delhi, Madhya Pradesh, Assam, Puducherry, and Andhra Pradesh. Incorrect Solution: d) Statement 1 is incorrect —ZooWIN is an Indian initiative developed by NCDC under MoHFW, not a WHO-led global programme. Statement 2 is incorrect—although the portal is digital, it does not use AI to predict outbreaks. Its focus is on stock visibility and patient tracking for rabies and snakebite cases. Statement 3 is incorrect —ZooWIN is currently being piloted in a few states, namely Delhi, Andhra Pradesh, Madhya Pradesh, Assam, and Puducherry. It has not yet been rolled out nationwide. What is ZooWIN? ZooWIN (Zoonoses-WIN) is a digital portal to monitor stocks of Anti-Rabies Vaccine (ARV) and Anti-Snake Venom (ASV) across India. It ensures better coordination among healthcare systems, especially in rural and underserved areas. Developed By: The portal is developed by the National Centre for Disease Control (NCDC) under the Ministry of Health and Family Welfare (MoHFW). It is technically supported by the United Nations Development Programme (UNDP). Aim of ZooWIN: To strengthen the prevention, control, and treatment of zoonotic diseases like rabies and snakebite. To ensure real-time visibility of vaccine stocks for timely availability and distribution. Key Features of ZooWIN: Real-Time Tracking: Enables real-time data on vaccine availability using eVIN and U-WIN architecture. Health Facility Locator: Helps users locate the nearest health centre stocked with ARV or ASV. Follow-Up Tracking: Tracks patients for post-exposure prophylaxis (PEP) to ensure full treatment adherence. Integration with One Health Approach: Supports the National Action Plan for Snakebite Envenoming (NAPSE), targeting 50% reduction in deaths by 2030. Public Helpline Service: Operates helpline 15400 in pilot states for awareness and treatment guidance. Pilot Rollout: The platform is being piloted in Delhi, Madhya Pradesh, Assam, Puducherry, and Andhra Pradesh.

#### 1. Question

Consider the following statements regarding ZooWIN portal:

• ZooWIN is a global initiative by the WHO for pandemic preparedness.

• It uses artificial intelligence to predict zoonotic outbreaks.

• It is currently operational in all 28 Indian states.

How many of the above statements is/are correct?

• (a) Only one

• (b) Only two

• (c) All three

Solution: d)

• Statement 1 is incorrect —ZooWIN is an Indian initiative developed by NCDC under MoHFW, not a WHO-led global programme.

• Statement 2 is incorrect—although the portal is digital, it does not use AI to predict outbreaks. Its focus is on stock visibility and patient tracking for rabies and snakebite cases.

• Statement 3 is incorrect —ZooWIN is currently being piloted in a few states, namely Delhi, Andhra Pradesh, Madhya Pradesh, Assam, and Puducherry. It has not yet been rolled out nationwide.

• What is ZooWIN?

• ZooWIN (Zoonoses-WIN) is a digital portal to monitor stocks of Anti-Rabies Vaccine (ARV) and Anti-Snake Venom (ASV) across India. It ensures better coordination among healthcare systems, especially in rural and underserved areas.

• ZooWIN (Zoonoses-WIN) is a digital portal to monitor stocks of Anti-Rabies Vaccine (ARV) and Anti-Snake Venom (ASV) across India.

• It ensures better coordination among healthcare systems, especially in rural and underserved areas.

• Developed By:

• The portal is developed by the National Centre for Disease Control (NCDC) under the Ministry of Health and Family Welfare (MoHFW). It is technically supported by the United Nations Development Programme (UNDP).

• The portal is developed by the National Centre for Disease Control (NCDC) under the Ministry of Health and Family Welfare (MoHFW).

• It is technically supported by the United Nations Development Programme (UNDP).

• Aim of ZooWIN:

• To strengthen the prevention, control, and treatment of zoonotic diseases like rabies and snakebite. To ensure real-time visibility of vaccine stocks for timely availability and distribution.

• To strengthen the prevention, control, and treatment of zoonotic diseases like rabies and snakebite.

• To ensure real-time visibility of vaccine stocks for timely availability and distribution.

• Key Features of ZooWIN:

• Real-Time Tracking: Enables real-time data on vaccine availability using eVIN and U-WIN architecture. Health Facility Locator: Helps users locate the nearest health centre stocked with ARV or ASV. Follow-Up Tracking: Tracks patients for post-exposure prophylaxis (PEP) to ensure full treatment adherence. Integration with One Health Approach: Supports the National Action Plan for Snakebite Envenoming (NAPSE), targeting 50% reduction in deaths by 2030. Public Helpline Service: Operates helpline 15400 in pilot states for awareness and treatment guidance.

• Real-Time Tracking: Enables real-time data on vaccine availability using eVIN and U-WIN architecture.

• Health Facility Locator: Helps users locate the nearest health centre stocked with ARV or ASV.

• Follow-Up Tracking: Tracks patients for post-exposure prophylaxis (PEP) to ensure full treatment adherence.

• Integration with One Health Approach: Supports the National Action Plan for Snakebite Envenoming (NAPSE), targeting 50% reduction in deaths by 2030.

• Public Helpline Service: Operates helpline 15400 in pilot states for awareness and treatment guidance.

• Pilot Rollout: The platform is being piloted in Delhi, Madhya Pradesh, Assam, Puducherry, and Andhra Pradesh.

Solution: d)

• Statement 1 is incorrect —ZooWIN is an Indian initiative developed by NCDC under MoHFW, not a WHO-led global programme.

• Statement 2 is incorrect—although the portal is digital, it does not use AI to predict outbreaks. Its focus is on stock visibility and patient tracking for rabies and snakebite cases.

• Statement 3 is incorrect —ZooWIN is currently being piloted in a few states, namely Delhi, Andhra Pradesh, Madhya Pradesh, Assam, and Puducherry. It has not yet been rolled out nationwide.

• What is ZooWIN?

• ZooWIN (Zoonoses-WIN) is a digital portal to monitor stocks of Anti-Rabies Vaccine (ARV) and Anti-Snake Venom (ASV) across India.

• It ensures better coordination among healthcare systems, especially in rural and underserved areas.

• Developed By:

• The portal is developed by the National Centre for Disease Control (NCDC) under the Ministry of Health and Family Welfare (MoHFW).

• It is technically supported by the United Nations Development Programme (UNDP).

• Aim of ZooWIN:

• To strengthen the prevention, control, and treatment of zoonotic diseases like rabies and snakebite.

• To ensure real-time visibility of vaccine stocks for timely availability and distribution.

• Key Features of ZooWIN:

• Real-Time Tracking: Enables real-time data on vaccine availability using eVIN and U-WIN architecture.

• Health Facility Locator: Helps users locate the nearest health centre stocked with ARV or ASV.

• Follow-Up Tracking: Tracks patients for post-exposure prophylaxis (PEP) to ensure full treatment adherence.

• Integration with One Health Approach: Supports the National Action Plan for Snakebite Envenoming (NAPSE), targeting 50% reduction in deaths by 2030.

• Public Helpline Service: Operates helpline 15400 in pilot states for awareness and treatment guidance.

• Pilot Rollout: The platform is being piloted in Delhi, Madhya Pradesh, Assam, Puducherry, and Andhra Pradesh.

• Question 2 of 10 2. Question 1 points Consider the following statements about the Digital Threat Report 2024: It recommends replacing all cloud-based infrastructure with on-premises servers. It identifies human error as a critical vulnerability in cyberattacks. It supports banning AI-powered chatbots in digital banking applications. How many of the above statements is/are correct? (a) Only one (b) Only two (c) All three (d) None Correct Solution: a) Only Statement 2 is correct. The report explicitly flags human error, poor password hygiene, phishing vulnerability, and lack of cybersecurity awareness as major contributors to data breaches and ransomware incidents. Statement 1 is incorrect—it does not advocate a blanket replacement of cloud with on-premise systems. Instead, it recommends cloud security controls and zero-trust architecture. Statement 3 is also incorrect. It does not call for banning AI chatbots; instead, it flags the risks associated with improper training and misuse but recognizes the role of AI in enhancing user experience. Incorrect Solution: a) Only Statement 2 is correct. The report explicitly flags human error, poor password hygiene, phishing vulnerability, and lack of cybersecurity awareness as major contributors to data breaches and ransomware incidents. Statement 1 is incorrect—it does not advocate a blanket replacement of cloud with on-premise systems. Instead, it recommends cloud security controls and zero-trust architecture. Statement 3 is also incorrect. It does not call for banning AI chatbots; instead, it flags the risks associated with improper training and misuse but recognizes the role of AI in enhancing user experience.

#### 2. Question

Consider the following statements about the Digital Threat Report 2024:

• It recommends replacing all cloud-based infrastructure with on-premises servers.

• It identifies human error as a critical vulnerability in cyberattacks.

• It supports banning AI-powered chatbots in digital banking applications.

How many of the above statements is/are correct?

• (a) Only one

• (b) Only two

• (c) All three

Solution: a)

Only Statement 2 is correct.

• The report explicitly flags human error, poor password hygiene, phishing vulnerability, and lack of cybersecurity awareness as major contributors to data breaches and ransomware incidents.

• Statement 1 is incorrect—it does not advocate a blanket replacement of cloud with on-premise systems. Instead, it recommends cloud security controls and zero-trust architecture.

• Statement 3 is also incorrect. It does not call for banning AI chatbots; instead, it flags the risks associated with improper training and misuse but recognizes the role of AI in enhancing user experience.

Solution: a)

Only Statement 2 is correct.

• The report explicitly flags human error, poor password hygiene, phishing vulnerability, and lack of cybersecurity awareness as major contributors to data breaches and ransomware incidents.

• Statement 1 is incorrect—it does not advocate a blanket replacement of cloud with on-premise systems. Instead, it recommends cloud security controls and zero-trust architecture.

• Question 3 of 10 3. Question 1 points Mount Kanlaon is geologically classified as which of the following? a) A rhyolitic dome volcano located along the Pacific Ring of Fire b) A basaltic shield volcano formed through effusive eruptions c) An andesitic stratovolcano known for explosive activity d) A caldera complex with no active vent systems Correct Solution: c) Mount Kanlaon is an andesitic stratovolcano, meaning its lava is intermediate in silica content—more viscous than basalt, less so than rhyolite. This stratification makes it prone to explosive eruptions, a hallmark of andesitic systems. Located on Negros Island in the central Philippines, it is part of the Pacific Ring of Fire, where subduction of the Philippine Sea Plate beneath the Eurasian Plate creates such volcanoes. It features a Lugud crater, a summit crater that has shown historic eruptions, and the Margaja caldera, which occasionally forms a crater lake. Shield volcanoes (like Mauna Loa) are basaltic and gentle-sloped, and rhyolitic domes (like Novarupta) are more viscous and explosive. Incorrect Solution: c) Mount Kanlaon is an andesitic stratovolcano, meaning its lava is intermediate in silica content—more viscous than basalt, less so than rhyolite. This stratification makes it prone to explosive eruptions, a hallmark of andesitic systems. Located on Negros Island in the central Philippines, it is part of the Pacific Ring of Fire, where subduction of the Philippine Sea Plate beneath the Eurasian Plate creates such volcanoes. It features a Lugud crater, a summit crater that has shown historic eruptions, and the Margaja caldera, which occasionally forms a crater lake. Shield volcanoes (like Mauna Loa) are basaltic and gentle-sloped, and rhyolitic domes (like Novarupta) are more viscous and explosive.

#### 3. Question

Mount Kanlaon is geologically classified as which of the following?

• a) A rhyolitic dome volcano located along the Pacific Ring of Fire

• b) A basaltic shield volcano formed through effusive eruptions

• c) An andesitic stratovolcano known for explosive activity

• d) A caldera complex with no active vent systems

Solution: c)

• Mount Kanlaon is an andesitic stratovolcano, meaning its lava is intermediate in silica content—more viscous than basalt, less so than rhyolite. This stratification makes it prone to explosive eruptions, a hallmark of andesitic systems.

• Located on Negros Island in the central Philippines, it is part of the Pacific Ring of Fire, where subduction of the Philippine Sea Plate beneath the Eurasian Plate creates such volcanoes.

• It features a Lugud crater, a summit crater that has shown historic eruptions, and the Margaja caldera, which occasionally forms a crater lake.

• Shield volcanoes (like Mauna Loa) are basaltic and gentle-sloped, and rhyolitic domes (like Novarupta) are more viscous and explosive.

Solution: c)

• It features a Lugud crater, a summit crater that has shown historic eruptions, and the Margaja caldera, which occasionally forms a crater lake.

• Shield volcanoes (like Mauna Loa) are basaltic and gentle-sloped, and rhyolitic domes (like Novarupta) are more viscous and explosive.

• Question 4 of 10 4. Question 1 points In light of the Supreme Court’s judgment in The State of Tamil Nadu v. The Governor of Tamil Nadu, which of the following best reflects the Court’s position on the Governor’s role in the legislative process? a) The Governor may indefinitely withhold assent to a Bill passed by the State Legislature. b) The Governor must act independently of the Council of Ministers in all legislative matters. c) The Governor is constitutionally bound to decide on a Bill within a reasonable time and act per constitutional conventions. d) The Governor may send the Bill back to the Legislature multiple times until satisfied. Correct Solution: c) The Supreme Court, invoking Articles 200 and 163, reaffirmed that the Governor is not an unelected legislative authority and must act on the aid and advice of the Council of Ministers in most cases. In this judgment, the Court clarified that the Governor cannot delay or indefinitely withhold assent to Bills passed by the State Legislature. Such conduct undermines constitutional morality and federalism. Importantly, the judgment emphasized the necessity of prompt action, aligned with democratic practices. The Court also invoked Article 142 to grant “complete justice,” compelling action by the Governor. The Governor may return a Bill once, but if it is passed again by the Assembly, assent cannot be denied. Thus, (c) reflects the constitutional obligation reinforced by the Court. Incorrect Solution: c) The Supreme Court, invoking Articles 200 and 163, reaffirmed that the Governor is not an unelected legislative authority and must act on the aid and advice of the Council of Ministers in most cases. In this judgment, the Court clarified that the Governor cannot delay or indefinitely withhold assent to Bills passed by the State Legislature. Such conduct undermines constitutional morality and federalism. Importantly, the judgment emphasized the necessity of prompt action, aligned with democratic practices. The Court also invoked Article 142 to grant “complete justice,” compelling action by the Governor. The Governor may return a Bill once, but if it is passed again by the Assembly, assent cannot be denied. Thus, (c) reflects the constitutional obligation reinforced by the Court.

#### 4. Question

In light of the Supreme Court’s judgment in The State of Tamil Nadu v. The Governor of Tamil Nadu, which of the following best reflects the Court’s position on the Governor’s role in the legislative process?

• a) The Governor may indefinitely withhold assent to a Bill passed by the State Legislature.

• b) The Governor must act independently of the Council of Ministers in all legislative matters.

• c) The Governor is constitutionally bound to decide on a Bill within a reasonable time and act per constitutional conventions.

• d) The Governor may send the Bill back to the Legislature multiple times until satisfied.

Solution: c)

• The Supreme Court, invoking Articles 200 and 163, reaffirmed that the Governor is not an unelected legislative authority and must act on the aid and advice of the Council of Ministers in most cases.

• In this judgment, the Court clarified that the Governor cannot delay or indefinitely withhold assent to Bills passed by the State Legislature. Such conduct undermines constitutional morality and federalism.

• Importantly, the judgment emphasized the necessity of prompt action, aligned with democratic practices. The Court also invoked Article 142 to grant “complete justice,” compelling action by the Governor.

• The Governor may return a Bill once, but if it is passed again by the Assembly, assent cannot be denied. Thus, (c) reflects the constitutional obligation reinforced by the Court.

Solution: c)

• The Governor may return a Bill once, but if it is passed again by the Assembly, assent cannot be denied. Thus, (c) reflects the constitutional obligation reinforced by the Court.

• Question 5 of 10 5. Question 1 points Consider the following statements regarding bear markets: A bear market begins only when GDP contracts for two consecutive quarters. Investors often shift to safe-haven assets like gold and sovereign bonds during bear markets. Bear markets are marked by consistent upward revisions in economic forecasts. 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—while two quarters of GDP contraction defines a recession, a bear market is determined by a 20% fall in stock indices, independent of formal GDP data. Statement 2 is correct. In bear markets, investors become risk-averse and reallocate funds to safe-haven assets like gold, government bonds, and sometimes US dollars. This reflects a strategy to protect capital from equity market volatility. Statement 3 is incorrect—economic forecasts are usually revised downward during bear markets due to declining corporate earnings, unemployment, and global uncertainty. Incorrect Solution: a) Statement 1 is incorrect—while two quarters of GDP contraction defines a recession, a bear market is determined by a 20% fall in stock indices, independent of formal GDP data. Statement 2 is correct. In bear markets, investors become risk-averse and reallocate funds to safe-haven assets like gold, government bonds, and sometimes US dollars. This reflects a strategy to protect capital from equity market volatility. Statement 3 is incorrect—economic forecasts are usually revised downward during bear markets due to declining corporate earnings, unemployment, and global uncertainty.

#### 5. Question

Consider the following statements regarding bear markets:

• A bear market begins only when GDP contracts for two consecutive quarters.

• Investors often shift to safe-haven assets like gold and sovereign bonds during bear markets.

• Bear markets are marked by consistent upward revisions in economic forecasts.

How many of the above statements is/are correct?

• (a) Only one

• (b) Only two

• (c) All three

Solution: a)

Statement 1 is incorrect—while two quarters of GDP contraction defines a recession, a bear market is determined by a 20% fall in stock indices, independent of formal GDP data.

Statement 2 is correct. In bear markets, investors become risk-averse and reallocate funds to safe-haven assets like gold, government bonds, and sometimes US dollars. This reflects a strategy to protect capital from equity market volatility.

Statement 3 is incorrect—economic forecasts are usually revised downward during bear markets due to declining corporate earnings, unemployment, and global uncertainty.

Solution: a)

Statement 1 is incorrect—while two quarters of GDP contraction defines a recession, a bear market is determined by a 20% fall in stock indices, independent of formal GDP data.

Statement 3 is incorrect—economic forecasts are usually revised downward during bear markets due to declining corporate earnings, unemployment, and global uncertainty.

• Question 6 of 10 6. Question 1 points Which of the following best describes the primary technological innovation of the European Space Agency (ESA)’s Biomass Mission? a) Use of thermal imaging to track soil moisture in arid regions b) Deployment of passive optical sensors for vegetation analysis c) First use of P-band Synthetic Aperture Radar in space-based forest observation d) LIDAR-based canopy penetration to assess tree height in alpine zones Correct Solution: c) The Biomass Mission by the European Space Agency (ESA) is the first satellite to employ P-band Synthetic Aperture Radar (SAR) for global forest biomass measurement. Unlike higher-frequency bands (X, C, or L), the P-band has a longer wavelength (~70 cm), allowing it to penetrate through dense canopies to measure not just the top of the forest, but also its structure beneath. This ability to generate detailed 3D models of forest biomass is crucial in estimating above-ground carbon stocks and monitoring their changes over time. Other technologies like optical or thermal sensors are hindered by cloud cover and cannot penetrate forest canopies, and while LIDAR is excellent for canopy height, it lacks the wide-area coverage SAR provides. Hence, the key innovation is not the measurement of vegetation per se, but the unprecedented depth and scale of forest structural data via P-band SAR. This directly supports climate models and carbon accounting by tracking absorption and release patterns in the forest carbon cycle. Incorrect Solution: c) The Biomass Mission by the European Space Agency (ESA) is the first satellite to employ P-band Synthetic Aperture Radar (SAR) for global forest biomass measurement. Unlike higher-frequency bands (X, C, or L), the P-band has a longer wavelength (~70 cm), allowing it to penetrate through dense canopies to measure not just the top of the forest, but also its structure beneath. This ability to generate detailed 3D models of forest biomass is crucial in estimating above-ground carbon stocks and monitoring their changes over time. Other technologies like optical or thermal sensors are hindered by cloud cover and cannot penetrate forest canopies, and while LIDAR is excellent for canopy height, it lacks the wide-area coverage SAR provides. Hence, the key innovation is not the measurement of vegetation per se, but the unprecedented depth and scale of forest structural data via P-band SAR. This directly supports climate models and carbon accounting by tracking absorption and release patterns in the forest carbon cycle.

#### 6. Question

Which of the following best describes the primary technological innovation of the European Space Agency (ESA)’s Biomass Mission?

• a) Use of thermal imaging to track soil moisture in arid regions

• b) Deployment of passive optical sensors for vegetation analysis

• c) First use of P-band Synthetic Aperture Radar in space-based forest observation

• d) LIDAR-based canopy penetration to assess tree height in alpine zones

Solution: c)

• The Biomass Mission by the European Space Agency (ESA) is the first satellite to employ P-band Synthetic Aperture Radar (SAR) for global forest biomass measurement.

• Unlike higher-frequency bands (X, C, or L), the P-band has a longer wavelength (~70 cm), allowing it to penetrate through dense canopies to measure not just the top of the forest, but also its structure beneath.

• This ability to generate detailed 3D models of forest biomass is crucial in estimating above-ground carbon stocks and monitoring their changes over time.

• Other technologies like optical or thermal sensors are hindered by cloud cover and cannot penetrate forest canopies, and while LIDAR is excellent for canopy height, it lacks the wide-area coverage SAR provides.

• Hence, the key innovation is not the measurement of vegetation per se, but the unprecedented depth and scale of forest structural data via P-band SAR.

• This directly supports climate models and carbon accounting by tracking absorption and release patterns in the forest carbon cycle.

Solution: c)

• The Biomass Mission by the European Space Agency (ESA) is the first satellite to employ P-band Synthetic Aperture Radar (SAR) for global forest biomass measurement.

• This ability to generate detailed 3D models of forest biomass is crucial in estimating above-ground carbon stocks and monitoring their changes over time.

• Hence, the key innovation is not the measurement of vegetation per se, but the unprecedented depth and scale of forest structural data via P-band SAR.

• This directly supports climate models and carbon accounting by tracking absorption and release patterns in the forest carbon cycle.

• Question 7 of 10 7. Question 1 points Which of the following statements about mirrors are correct? All mirrors produce real images by converging light rays. The glass layer in a mirror reflects most of the light falling on it. A concave mirror can produce both real and virtual images. Plane mirrors reverse the object front-to-back but not left-to-right. Select the correct answer code: a) 2 and 3 only b) 1 and 4 only c) 1, 2 and 3 only d) 3 and 4 only Correct Solution: d) Statement 1 is incorrect. Only concave mirrors can produce real images, and only under certain conditions. Plane mirrors always produce virtual images. Statement 2 is incorrect. The glass layer does not reflect most light; it’s primarily transparent, allowing light to pass to the metallic coating, which performs the reflection. Statement 3 is correct. A concave mirror can produce real images (when the object is beyond the focal point) and virtual images (when the object is between the mirror and focal point). Statement 4 is correct. Plane mirrors reverse the front and back, not the left and right. The illusion of left-right reversal is a result of how we perceive orientation changes relative to ourselves. Incorrect Solution: d) Statement 1 is incorrect. Only concave mirrors can produce real images, and only under certain conditions. Plane mirrors always produce virtual images. Statement 2 is incorrect. The glass layer does not reflect most light; it’s primarily transparent, allowing light to pass to the metallic coating, which performs the reflection. Statement 3 is correct. A concave mirror can produce real images (when the object is beyond the focal point) and virtual images (when the object is between the mirror and focal point). Statement 4 is correct. Plane mirrors reverse the front and back, not the left and right. The illusion of left-right reversal is a result of how we perceive orientation changes relative to ourselves.

#### 7. Question

Which of the following statements about mirrors are correct?

• All mirrors produce real images by converging light rays.

• The glass layer in a mirror reflects most of the light falling on it.

• A concave mirror can produce both real and virtual images.

• Plane mirrors reverse the object front-to-back but not left-to-right.

Select the correct answer code:

• a) 2 and 3 only

• b) 1 and 4 only

• c) 1, 2 and 3 only

• d) 3 and 4 only

Solution: d)

• Statement 1 is incorrect. Only concave mirrors can produce real images, and only under certain conditions. Plane mirrors always produce virtual images.

• Statement 2 is incorrect. The glass layer does not reflect most light; it’s primarily transparent, allowing light to pass to the metallic coating, which performs the reflection.

• Statement 3 is correct. A concave mirror can produce real images (when the object is beyond the focal point) and virtual images (when the object is between the mirror and focal point).

• Statement 4 is correct. Plane mirrors reverse the front and back, not the left and right. The illusion of left-right reversal is a result of how we perceive orientation changes relative to ourselves.

Solution: d)

• Statement 1 is incorrect. Only concave mirrors can produce real images, and only under certain conditions. Plane mirrors always produce virtual images.

• Statement 2 is incorrect. The glass layer does not reflect most light; it’s primarily transparent, allowing light to pass to the metallic coating, which performs the reflection.

• Question 8 of 10 8. Question 1 points Consider the following statements regarding Buddhism’s influence on Indian art and architecture: The Sanchi Stupa was built under Ashoka’s patronage and developed further in later centuries. Chaityas and Viharas were exclusively religious and had no educational function. Ajanta murals represent narrative scenes from Jataka tales. Gandhara art depicted the Buddha in Greco-Roman artistic style. How many of the above statements is/are correct? (a) Only one (b) Only two (c) Only three (d) All four Correct Solution: c) Statements 1, 3, and 4 are correct. The Sanchi Stupa, originally built by Ashoka, saw additions during the Shunga and Satavahana periods. The Ajanta Caves house murals that depict Buddha’s past lives from the Jataka tales with refined artistic detail. Gandhara art, centered in present-day Pakistan and Afghanistan, used Greco-Roman styles, portraying the Buddha with Hellenistic drapery and facial features. Statement 2 is incorrect – Viharas often served as monastic residences and educational centers, and Chaityas sometimes housed assemblies. Incorrect Solution: c) Statements 1, 3, and 4 are correct. The Sanchi Stupa, originally built by Ashoka, saw additions during the Shunga and Satavahana periods. The Ajanta Caves house murals that depict Buddha’s past lives from the Jataka tales with refined artistic detail. Gandhara art, centered in present-day Pakistan and Afghanistan, used Greco-Roman styles, portraying the Buddha with Hellenistic drapery and facial features. Statement 2 is incorrect – Viharas often served as monastic residences and educational centers, and Chaityas sometimes housed assemblies.

#### 8. Question

Consider the following statements regarding Buddhism’s influence on Indian art and architecture:

• The Sanchi Stupa was built under Ashoka’s patronage and developed further in later centuries.

• Chaityas and Viharas were exclusively religious and had no educational function.

• Ajanta murals represent narrative scenes from Jataka tales.

• Gandhara art depicted the Buddha in Greco-Roman artistic style.

How many of the above statements is/are correct?

• (a) Only one

• (b) Only two

• (c) Only three

• (d) All four

Solution: c)

• Statements 1, 3, and 4 are correct.

• The Sanchi Stupa, originally built by Ashoka, saw additions during the Shunga and Satavahana periods.

• The Ajanta Caves house murals that depict Buddha’s past lives from the Jataka tales with refined artistic detail.

• Gandhara art, centered in present-day Pakistan and Afghanistan, used Greco-Roman styles, portraying the Buddha with Hellenistic drapery and facial features.

• Statement 2 is incorrect – Viharas often served as monastic residences and educational centers, and Chaityas sometimes housed assemblies.

Solution: c)

• Statements 1, 3, and 4 are correct.

• The Sanchi Stupa, originally built by Ashoka, saw additions during the Shunga and Satavahana periods.

• The Ajanta Caves house murals that depict Buddha’s past lives from the Jataka tales with refined artistic detail.

• Gandhara art, centered in present-day Pakistan and Afghanistan, used Greco-Roman styles, portraying the Buddha with Hellenistic drapery and facial features.

• Statement 2 is incorrect – Viharas often served as monastic residences and educational centers, and Chaityas sometimes housed assemblies.

• Question 9 of 10 9. Question 1 points Consider the following statements regarding key features of environmentalism: Environmentalism supports environmental justice by linking conservation to local community rights. The Environment Protection Act, 1986 focuses primarily on tribal resettlement and afforestation. The movement encourages renewable energy and sustainable agriculture as tools for ecological balance. Which of the above statements are correct? a) 1 only b) 1 and 3 c) 1 and 2 d) 1, 2 and 3 Correct Solution: b) Statement 1 is correct. Environmentalism has evolved to encompass environmental justice, especially by protecting marginalized groups who live closest to forests, rivers, and farmlands. Acts like the Forest Rights Act (2006) and Biodiversity Act (2002) bridge ecological protection with livelihood security. Statement 2 is incorrect. The Environment Protection Act, 1986 is a regulatory law aimed at pollution control and environmental degradation, not specifically for tribal resettlement or afforestation. While those may occur as outcomes, the law’s primary focus is pollution abatement and enforcement of environmental standards. Statement 3 is correct. Environmentalism strongly backs renewables like solar and wind energy, and organic or sustainable farming, promoting long-term ecological balance and reducing dependence on fossil fuels and chemical-intensive agriculture. Incorrect Solution: b) Statement 1 is correct. Environmentalism has evolved to encompass environmental justice, especially by protecting marginalized groups who live closest to forests, rivers, and farmlands. Acts like the Forest Rights Act (2006) and Biodiversity Act (2002) bridge ecological protection with livelihood security. Statement 2 is incorrect. The Environment Protection Act, 1986 is a regulatory law aimed at pollution control and environmental degradation, not specifically for tribal resettlement or afforestation. While those may occur as outcomes, the law’s primary focus is pollution abatement and enforcement of environmental standards. Statement 3 is correct. Environmentalism strongly backs renewables like solar and wind energy, and organic or sustainable farming, promoting long-term ecological balance and reducing dependence on fossil fuels and chemical-intensive agriculture.

#### 9. Question

Consider the following statements regarding key features of environmentalism:

• Environmentalism supports environmental justice by linking conservation to local community rights.

• The Environment Protection Act, 1986 focuses primarily on tribal resettlement and afforestation.

• The movement encourages renewable energy and sustainable agriculture as tools for ecological balance.

Which of the above statements are correct?

• b) 1 and 3

• c) 1 and 2

• d) 1, 2 and 3

Solution: b)

• Statement 1 is correct. Environmentalism has evolved to encompass environmental justice, especially by protecting marginalized groups who live closest to forests, rivers, and farmlands. Acts like the Forest Rights Act (2006) and Biodiversity Act (2002) bridge ecological protection with livelihood security.

• Statement 2 is incorrect. The Environment Protection Act, 1986 is a regulatory law aimed at pollution control and environmental degradation, not specifically for tribal resettlement or afforestation. While those may occur as outcomes, the law’s primary focus is pollution abatement and enforcement of environmental standards.

• Statement 3 is correct. Environmentalism strongly backs renewables like solar and wind energy, and organic or sustainable farming, promoting long-term ecological balance and reducing dependence on fossil fuels and chemical-intensive agriculture.

Solution: b)

• Question 10 of 10 10. Question 1 points Which of the following statements are true about limitations of 3D Printing? Most printers are unable to produce hollow or lattice structures. Intellectual property concerns arise due to digital file sharing and design replication. The technique may lead to delamination due to weak inter-layer bonding. Build volumes of printers limit the size of objects that can be printed in one go. Select the correct answer code: a) 1, 2 and 3 only b) 2, 3 and 4 only c) 1, 3 and 4 only d) 1, 2, 3 and 4 Correct Solution: b) Statement 1 is incorrect: 3D Printing excels at creating lattice or hollow structures, which are often impossible with traditional manufacturing. These designs are widely used in biomedical implants and aerospace parts. Statements 2, 3, and 4 are correct: IP Concerns (2): The easy sharing of design files can lead to unauthorized production of patented or copyrighted products. Delamination (3): Weak bonds between layers may result in structural weaknesses, especially under mechanical stress. Build Size Limits (4): Most printers have limited bed size, so large objects must be printed in smaller segments, increasing post-processing and complexity. Incorrect Solution: b) Statement 1 is incorrect: 3D Printing excels at creating lattice or hollow structures, which are often impossible with traditional manufacturing. These designs are widely used in biomedical implants and aerospace parts. Statements 2, 3, and 4 are correct: IP Concerns (2): The easy sharing of design files can lead to unauthorized production of patented or copyrighted products. Delamination (3): Weak bonds between layers may result in structural weaknesses, especially under mechanical stress. Build Size Limits (4): Most printers have limited bed size, so large objects must be printed in smaller segments, increasing post-processing and complexity.

#### 10. Question

Which of the following statements are true about limitations of 3D Printing?

• Most printers are unable to produce hollow or lattice structures.

• Intellectual property concerns arise due to digital file sharing and design replication.

• The technique may lead to delamination due to weak inter-layer bonding.

• Build volumes of printers limit the size of objects that can be printed in one go.

Select the correct answer code:

• a) 1, 2 and 3 only

• b) 2, 3 and 4 only

• c) 1, 3 and 4 only

• d) 1, 2, 3 and 4

Solution: b)

• Statement 1 is incorrect: 3D Printing excels at creating lattice or hollow structures, which are often impossible with traditional manufacturing. These designs are widely used in biomedical implants and aerospace parts.

• Statements 2, 3, and 4 are correct: IP Concerns (2): The easy sharing of design files can lead to unauthorized production of patented or copyrighted products. Delamination (3): Weak bonds between layers may result in structural weaknesses, especially under mechanical stress. Build Size Limits (4): Most printers have limited bed size, so large objects must be printed in smaller segments, increasing post-processing and complexity.

• IP Concerns (2): The easy sharing of design files can lead to unauthorized production of patented or copyrighted products.

• Delamination (3): Weak bonds between layers may result in structural weaknesses, especially under mechanical stress.

• Build Size Limits (4): Most printers have limited bed size, so large objects must be printed in smaller segments, increasing post-processing and complexity.

Solution: b)

• IP Concerns (2): The easy sharing of design files can lead to unauthorized production of patented or copyrighted products.

• Delamination (3): Weak bonds between layers may result in structural weaknesses, especially under mechanical stress.

• Build Size Limits (4): Most printers have limited bed size, so large objects must be printed in smaller segments, increasing post-processing and complexity.

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