UPSC Current Affairs Quiz :9 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 With reference to the UAE nomination-based Golden Visa scheme, which one of the following statements is correct? (a) It is mandatory for applicants to make a substantial property or business investment in the UAE. (b) The visa grants temporary residency for a period of ten years, after which it must be renewed. (c) The scheme is exclusively available to professionals in the technology and healthcare sectors. (d) It allows foreign nationals to live, work, or study in the UAE without the need for a local sponsor. Correct Solution: D The UAE Golden Visa is a long-term residency program designed to attract global talent. The core feature of this visa is that it liberates the holder from the traditional requirement of having a local (Emirati) sponsor for their residency. This provides significant flexibility and independence to foreign nationals. Option (a) is incorrect because the new nomination-based system, particularly for Indian and Bangladeshi nationals, has removed the necessity of making a property or business investment. Selection is based on professional background and potential contributions. Option (b) is incorrect as the Golden Visa offers lifetime residency, not a temporary 10-year period. It does not expire upon the sale of an asset if one was used to procure it under a different track. Option (c) is incorrect because the scheme is open to a wide range of individuals, including those in science, culture, trade, finance, and startups, not just technology and healthcare. The nomination-based system further broadens this scope. Incorrect Solution: D The UAE Golden Visa is a long-term residency program designed to attract global talent. The core feature of this visa is that it liberates the holder from the traditional requirement of having a local (Emirati) sponsor for their residency. This provides significant flexibility and independence to foreign nationals. Option (a) is incorrect because the new nomination-based system, particularly for Indian and Bangladeshi nationals, has removed the necessity of making a property or business investment. Selection is based on professional background and potential contributions. Option (b) is incorrect as the Golden Visa offers lifetime residency, not a temporary 10-year period. It does not expire upon the sale of an asset if one was used to procure it under a different track. Option (c) is incorrect because the scheme is open to a wide range of individuals, including those in science, culture, trade, finance, and startups, not just technology and healthcare. The nomination-based system further broadens this scope.

#### 1. Question

With reference to the UAE nomination-based Golden Visa scheme, which one of the following statements is correct?

• (a) It is mandatory for applicants to make a substantial property or business investment in the UAE.

• (b) The visa grants temporary residency for a period of ten years, after which it must be renewed.

• (c) The scheme is exclusively available to professionals in the technology and healthcare sectors.

• (d) It allows foreign nationals to live, work, or study in the UAE without the need for a local sponsor.

Solution: D

The UAE Golden Visa is a long-term residency program designed to attract global talent. The core feature of this visa is that it liberates the holder from the traditional requirement of having a local (Emirati) sponsor for their residency. This provides significant flexibility and independence to foreign nationals.

• Option (a) is incorrect because the new nomination-based system, particularly for Indian and Bangladeshi nationals, has removed the necessity of making a property or business investment. Selection is based on professional background and potential contributions.

• Option (b) is incorrect as the Golden Visa offers lifetime residency, not a temporary 10-year period. It does not expire upon the sale of an asset if one was used to procure it under a different track.

• Option (c) is incorrect because the scheme is open to a wide range of individuals, including those in science, culture, trade, finance, and startups, not just technology and healthcare. The nomination-based system further broadens this scope.

Solution: D

• Question 2 of 10 2. Question 1 points Consider the following statements regarding the proposed Battery Passport framework in India: It is a digital identity for an EV battery, accessible via a QR code, containing its entire lifecycle data. The framework is being developed exclusively by the Ministry of Heavy Industries to regulate battery imports. One of the primary objectives is to align the Indian EV industry with upcoming European Union regulations on battery traceability. The system will mandate a unique identity for each battery cell to prevent mismatch and associated safety risks. 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 correct. The Battery Passport is conceptualized as a digital record linked to a QR code. It provides comprehensive information, including origin, chemistry, performance history, carbon footprint, and end-of-life data, ensuring transparency across the battery’s lifecycle. Statement 2 is incorrect. The initiative is being led by NITI Aayog, not exclusively the Ministry of Heavy Industries. It is a collaborative effort involving various ministries, reflecting its multi-dimensional nature encompassing policy, technology, environment, and commerce. Statement 3 is correct. A key driver for this framework is to ensure Indian battery manufacturers can comply with international standards, particularly the upcoming EU battery passport regulations. This proactive measure is crucial for enhancing the export competitiveness of the ‘Make-in-India’ initiative for EVs. Statement 4 is incorrect. The framework proposes a unique identity for each battery pack, not each individual cell. While it aims to prevent the mismatch of cells, the unique identification (like an Aadhaar) is at the level of the entire battery unit, which is a more practical approach for tracking and regulation. Incorrect Solution: B Statement 1 is correct. The Battery Passport is conceptualized as a digital record linked to a QR code. It provides comprehensive information, including origin, chemistry, performance history, carbon footprint, and end-of-life data, ensuring transparency across the battery’s lifecycle. Statement 2 is incorrect. The initiative is being led by NITI Aayog, not exclusively the Ministry of Heavy Industries. It is a collaborative effort involving various ministries, reflecting its multi-dimensional nature encompassing policy, technology, environment, and commerce. Statement 3 is correct. A key driver for this framework is to ensure Indian battery manufacturers can comply with international standards, particularly the upcoming EU battery passport regulations. This proactive measure is crucial for enhancing the export competitiveness of the ‘Make-in-India’ initiative for EVs. Statement 4 is incorrect. The framework proposes a unique identity for each battery pack, not each individual cell. While it aims to prevent the mismatch of cells, the unique identification (like an Aadhaar) is at the level of the entire battery unit, which is a more practical approach for tracking and regulation.

#### 2. Question

Consider the following statements regarding the proposed Battery Passport framework in India:

• It is a digital identity for an EV battery, accessible via a QR code, containing its entire lifecycle data.

• The framework is being developed exclusively by the Ministry of Heavy Industries to regulate battery imports.

• One of the primary objectives is to align the Indian EV industry with upcoming European Union regulations on battery traceability.

• The system will mandate a unique identity for each battery cell to prevent mismatch and associated safety risks.

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 correct. The Battery Passport is conceptualized as a digital record linked to a QR code. It provides comprehensive information, including origin, chemistry, performance history, carbon footprint, and end-of-life data, ensuring transparency across the battery’s lifecycle.

• Statement 2 is incorrect. The initiative is being led by NITI Aayog, not exclusively the Ministry of Heavy Industries. It is a collaborative effort involving various ministries, reflecting its multi-dimensional nature encompassing policy, technology, environment, and commerce.

• Statement 3 is correct. A key driver for this framework is to ensure Indian battery manufacturers can comply with international standards, particularly the upcoming EU battery passport regulations. This proactive measure is crucial for enhancing the export competitiveness of the ‘Make-in-India’ initiative for EVs.

• Statement 4 is incorrect. The framework proposes a unique identity for each battery pack, not each individual cell. While it aims to prevent the mismatch of cells, the unique identification (like an Aadhaar) is at the level of the entire battery unit, which is a more practical approach for tracking and regulation.

Solution: B

• Question 3 of 10 3. Question 1 points The anonymity and untraceability characteristic of the Dark Web is primarily achieved by: (a) Using a centralized server system with high-level military-grade encryption. (b) Requiring all users to operate under pseudonyms that are not linked to their real-world identities. (c) Masking user IP addresses by routing traffic through a series of multiple, random, and encrypted nodes. (d) Indexing websites with a unique ".onion" domain that is inaccessible to conventional web browsers. Correct Solution: C The fundamental technology that enables the Dark Web’s anonymity is onion routing, which is implemented by browsers like Tor. Option (c) is the correct explanation. When a user connects to the Dark Web via Tor, their data is wrapped in multiple layers of encryption, much like the layers of an onion. This encrypted data is then relayed through a random sequence of volunteer-operated servers, or nodes, across the globe. Each node only knows the identity of the immediately preceding and following node, and it decrypts one layer of encryption. This process effectively severs the link between the user’s original IP address and their final destination, making it extremely difficult to trace the communication’s origin or endpoint. Option (a) is incorrect. The Dark Web is inherently decentralized, not centralized. Its resilience comes from the distributed network of nodes, not a single secure server. Options (b) and (d) are features of the Dark Web, but not the primary mechanism for achieving anonymity. Pseudonyms (b) are a user practice, and “.onion” addresses (d) are a naming convention for hidden services, but neither explains the core technical process of how anonymity is achieved. Incorrect Solution: C The fundamental technology that enables the Dark Web’s anonymity is onion routing, which is implemented by browsers like Tor. Option (c) is the correct explanation. When a user connects to the Dark Web via Tor, their data is wrapped in multiple layers of encryption, much like the layers of an onion. This encrypted data is then relayed through a random sequence of volunteer-operated servers, or nodes, across the globe. Each node only knows the identity of the immediately preceding and following node, and it decrypts one layer of encryption. This process effectively severs the link between the user’s original IP address and their final destination, making it extremely difficult to trace the communication’s origin or endpoint. Option (a) is incorrect. The Dark Web is inherently decentralized, not centralized. Its resilience comes from the distributed network of nodes, not a single secure server. Options (b) and (d) are features of the Dark Web, but not the primary mechanism for achieving anonymity. Pseudonyms (b) are a user practice, and “.onion” addresses (d) are a naming convention for hidden services, but neither explains the core technical process of how anonymity is achieved.

#### 3. Question

The anonymity and untraceability characteristic of the Dark Web is primarily achieved by:

• (a) Using a centralized server system with high-level military-grade encryption.

• (b) Requiring all users to operate under pseudonyms that are not linked to their real-world identities.

• (c) Masking user IP addresses by routing traffic through a series of multiple, random, and encrypted nodes.

• (d) Indexing websites with a unique ".onion" domain that is inaccessible to conventional web browsers.

Solution: C

The fundamental technology that enables the Dark Web’s anonymity is onion routing, which is implemented by browsers like Tor.

• Option (c) is the correct explanation. When a user connects to the Dark Web via Tor, their data is wrapped in multiple layers of encryption, much like the layers of an onion. This encrypted data is then relayed through a random sequence of volunteer-operated servers, or nodes, across the globe. Each node only knows the identity of the immediately preceding and following node, and it decrypts one layer of encryption. This process effectively severs the link between the user’s original IP address and their final destination, making it extremely difficult to trace the communication’s origin or endpoint.

• Option (a) is incorrect. The Dark Web is inherently decentralized, not centralized. Its resilience comes from the distributed network of nodes, not a single secure server.

• Options (b) and (d) are features of the Dark Web, but not the primary mechanism for achieving anonymity. Pseudonyms (b) are a user practice, and “.onion” addresses (d) are a naming convention for hidden services, but neither explains the core technical process of how anonymity is achieved.

Solution: C

The fundamental technology that enables the Dark Web’s anonymity is onion routing, which is implemented by browsers like Tor.

• Option (a) is incorrect. The Dark Web is inherently decentralized, not centralized. Its resilience comes from the distributed network of nodes, not a single secure server.

• Question 4 of 10 4. Question 1 points With respect to the Amaravati Quantum Valley Declaration (AQVD), consider the following statements: It is a legally binding treaty signed between the Government of India and several state governments to create a national quantum grid. The declaration involves collaboration between the Andhra Pradesh government and private industry leaders such as IBM, TCS, and L&T. The primary aim of the AQVD is to establish Amaravati as a hub for quantum finance and cryptocurrency regulation. 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 AQVD is a strategic framework and a declaration of intent, not a legally binding treaty. Furthermore, it is a regional initiative led by the Andhra Pradesh government, not a national-level agreement between the central government and multiple states. Statement 2 is correct. A key aspect of the AQVD is its emphasis on public-private partnerships. It was jointly signed by the Andhra Pradesh government and prominent technology companies, including IBM, TCS, and L&T, to leverage industry expertise and investment for building a quantum ecosystem. Statement 3 is incorrect. The scope of the AQVD is much broader than finance. Its aim is to foster an ecosystem for quantum computing, quantum communication, and quantum sensing technologies. While these could have financial applications, the declaration’s focus is on foundational research, talent development, and infrastructure for the entire quantum technology sector, not specifically on cryptocurrency regulation. Incorrect Solution: A Statement 1 is incorrect. The AQVD is a strategic framework and a declaration of intent, not a legally binding treaty. Furthermore, it is a regional initiative led by the Andhra Pradesh government, not a national-level agreement between the central government and multiple states. Statement 2 is correct. A key aspect of the AQVD is its emphasis on public-private partnerships. It was jointly signed by the Andhra Pradesh government and prominent technology companies, including IBM, TCS, and L&T, to leverage industry expertise and investment for building a quantum ecosystem. Statement 3 is incorrect. The scope of the AQVD is much broader than finance. Its aim is to foster an ecosystem for quantum computing, quantum communication, and quantum sensing technologies. While these could have financial applications, the declaration’s focus is on foundational research, talent development, and infrastructure for the entire quantum technology sector, not specifically on cryptocurrency regulation.

#### 4. Question

With respect to the Amaravati Quantum Valley Declaration (AQVD), consider the following statements:

• It is a legally binding treaty signed between the Government of India and several state governments to create a national quantum grid.

• The declaration involves collaboration between the Andhra Pradesh government and private industry leaders such as IBM, TCS, and L&T.

• The primary aim of the AQVD is to establish Amaravati as a hub for quantum finance and cryptocurrency regulation.

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 AQVD is a strategic framework and a declaration of intent, not a legally binding treaty. Furthermore, it is a regional initiative led by the Andhra Pradesh government, not a national-level agreement between the central government and multiple states.

• Statement 2 is correct. A key aspect of the AQVD is its emphasis on public-private partnerships. It was jointly signed by the Andhra Pradesh government and prominent technology companies, including IBM, TCS, and L&T, to leverage industry expertise and investment for building a quantum ecosystem.

• Statement 3 is incorrect. The scope of the AQVD is much broader than finance. Its aim is to foster an ecosystem for quantum computing, quantum communication, and quantum sensing technologies. While these could have financial applications, the declaration’s focus is on foundational research, talent development, and infrastructure for the entire quantum technology sector, not specifically on cryptocurrency regulation.

Solution: A

• Question 5 of 10 5. Question 1 points Consider the following statements regarding the proposed Battery Passport framework in India: Statement-I: The formulation of a Battery Passport framework is considered a critical step for boosting the credibility and export potential of the Indian EV industry. Statement-II: The framework helps in addressing battery safety concerns arising from the use of mismatched cells and aligns Indian products with global traceability norms. 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 but 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 is correct. By establishing a transparent and standardized system for battery information, the Battery Passport framework aims to enhance consumer confidence and position the Indian EV industry as a reliable and high-quality global player. This directly contributes to its credibility and makes its products more acceptable in international markets, thereby boosting export potential. Statement-II is also correct. It provides the specific reasons why the passport boosts credibility and exports. Firstly, it addresses domestic safety concerns, highlighted by fire incidents often linked to mismatched or poor-quality cells. Secondly, it ensures that Indian batteries meet international standards, such as the EU’s forthcoming battery regulations, which mandate lifecycle traceability. This alignment is a prerequisite for accessing key export markets. Since Statement-II provides the precise mechanisms (addressing safety and meeting global norms) through which the goal in Statement-I is achieved, Statement-II is the correct explanation for Statement-I. Incorrect Solution: A Statement-I is correct. By establishing a transparent and standardized system for battery information, the Battery Passport framework aims to enhance consumer confidence and position the Indian EV industry as a reliable and high-quality global player. This directly contributes to its credibility and makes its products more acceptable in international markets, thereby boosting export potential. Statement-II is also correct. It provides the specific reasons why the passport boosts credibility and exports. Firstly, it addresses domestic safety concerns, highlighted by fire incidents often linked to mismatched or poor-quality cells. Secondly, it ensures that Indian batteries meet international standards, such as the EU’s forthcoming battery regulations, which mandate lifecycle traceability. This alignment is a prerequisite for accessing key export markets. Since Statement-II provides the precise mechanisms (addressing safety and meeting global norms) through which the goal in Statement-I is achieved, Statement-II is the correct explanation for Statement-I.

#### 5. Question

Consider the following statements regarding the proposed Battery Passport framework in India:

Statement-I: The formulation of a Battery Passport framework is considered a critical step for boosting the credibility and export potential of the Indian EV industry.

Statement-II: The framework helps in addressing battery safety concerns arising from the use of mismatched cells and aligns Indian products with global traceability norms.

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 but 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 is correct. By establishing a transparent and standardized system for battery information, the Battery Passport framework aims to enhance consumer confidence and position the Indian EV industry as a reliable and high-quality global player. This directly contributes to its credibility and makes its products more acceptable in international markets, thereby boosting export potential.

• Statement-II is also correct. It provides the specific reasons why the passport boosts credibility and exports. Firstly, it addresses domestic safety concerns, highlighted by fire incidents often linked to mismatched or poor-quality cells. Secondly, it ensures that Indian batteries meet international standards, such as the EU’s forthcoming battery regulations, which mandate lifecycle traceability. This alignment is a prerequisite for accessing key export markets.

• Since Statement-II provides the precise mechanisms (addressing safety and meeting global norms) through which the goal in Statement-I is achieved, Statement-II is the correct explanation for Statement-I.

Solution: A

• Question 6 of 10 6. Question 1 points Consider the following statements about the Vera C. Rubin Observatory: It is located on the Mauna Kea mountain in Hawaii, a site known for its excellent atmospheric stability. Its primary scientific mission is to study the atmospheric composition of exoplanets transiting distant stars. 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: D Statement 1 is incorrect. The Vera C. Rubin Observatory is located on Cerro Pachón mountain in the Chilean Andes, not Mauna Kea in Hawaii. While Mauna Kea is also a prime location for observatories, the Rubin Observatory is situated in Chile to survey the southern sky. Statement 2 is incorrect. While its data may be useful for various astronomical fields, the observatory’s four primary science pillars are probing dark energy and dark matter, taking an inventory of the solar system (including NEOs), exploring the transient optical sky, and mapping the Milky Way. Studying exoplanet atmospheres is a primary objective of telescopes like the James Webb Space Telescope (JWST), which use spectroscopy. Incorrect Solution: D Statement 1 is incorrect. The Vera C. Rubin Observatory is located on Cerro Pachón mountain in the Chilean Andes, not Mauna Kea in Hawaii. While Mauna Kea is also a prime location for observatories, the Rubin Observatory is situated in Chile to survey the southern sky. Statement 2 is incorrect. While its data may be useful for various astronomical fields, the observatory’s four primary science pillars are probing dark energy and dark matter, taking an inventory of the solar system (including NEOs), exploring the transient optical sky, and mapping the Milky Way. Studying exoplanet atmospheres is a primary objective of telescopes like the James Webb Space Telescope (JWST), which use spectroscopy.

#### 6. Question

Consider the following statements about the Vera C. Rubin Observatory:

• It is located on the Mauna Kea mountain in Hawaii, a site known for its excellent atmospheric stability.

• Its primary scientific mission is to study the atmospheric composition of exoplanets transiting distant stars.

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: D

• Statement 1 is incorrect. The Vera C. Rubin Observatory is located on Cerro Pachón mountain in the Chilean Andes, not Mauna Kea in Hawaii. While Mauna Kea is also a prime location for observatories, the Rubin Observatory is situated in Chile to survey the southern sky.

• Statement 2 is incorrect. While its data may be useful for various astronomical fields, the observatory’s four primary science pillars are probing dark energy and dark matter, taking an inventory of the solar system (including NEOs), exploring the transient optical sky, and mapping the Milky Way. Studying exoplanet atmospheres is a primary objective of telescopes like the James Webb Space Telescope (JWST), which use spectroscopy.

Solution: D

• Question 7 of 10 7. Question 1 points With reference to the National Overseas Scholarship (NOS) Scheme, consider the following statements: The scheme is exclusively for students from Scheduled Castes (SCs) and Scheduled Tribes (STs) to pursue higher education abroad. To be eligible, a candidate’s total annual family income must not exceed ₹8 lakh. A maximum of 10% of the total scholarship slots in a year can be allocated to candidates from a single state. How many of the above statements is/are correct? (a) Only one (b) Only two (c) All three (d) None Correct Solution: B Statement 1 is incorrect. The scheme’s target groups are broader than just SCs and STs. It includes students from Scheduled Castes (SCs), De-notified, Nomadic & Semi-Nomadic Tribes, families of Landless Agricultural Labourers, and Traditional Artisans. Scheduled Tribes (STs) have a separate overseas scholarship scheme administered by the Ministry of Tribal Affairs. Statement 2 is correct. There is a strict income ceiling for eligibility. The total annual income of the candidate’s family from all sources should not be more than ₹8 lakh. This ensures that the financial assistance reaches students from economically weaker sections within the target communities. Statement 3 is correct. The scheme includes a provision to ensure equitable geographical distribution of the scholarships. To prevent a single state from dominating the awards, a cap is placed so that no more than 10% of the total slots for a given year are awarded to candidates domiciled in the same state. Incorrect Solution: B Statement 1 is incorrect. The scheme’s target groups are broader than just SCs and STs. It includes students from Scheduled Castes (SCs), De-notified, Nomadic & Semi-Nomadic Tribes, families of Landless Agricultural Labourers, and Traditional Artisans. Scheduled Tribes (STs) have a separate overseas scholarship scheme administered by the Ministry of Tribal Affairs. Statement 2 is correct. There is a strict income ceiling for eligibility. The total annual income of the candidate’s family from all sources should not be more than ₹8 lakh. This ensures that the financial assistance reaches students from economically weaker sections within the target communities. Statement 3 is correct. The scheme includes a provision to ensure equitable geographical distribution of the scholarships. To prevent a single state from dominating the awards, a cap is placed so that no more than 10% of the total slots for a given year are awarded to candidates domiciled in the same state.

#### 7. Question

With reference to the National Overseas Scholarship (NOS) Scheme, consider the following statements:

• The scheme is exclusively for students from Scheduled Castes (SCs) and Scheduled Tribes (STs) to pursue higher education abroad.

• To be eligible, a candidate’s total annual family income must not exceed ₹8 lakh.

• A maximum of 10% of the total scholarship slots in a year can be allocated to candidates from a single state.

How many of the above statements is/are correct?

• (a) Only one

• (b) Only two

• (c) All three

Solution: B

• Statement 1 is incorrect. The scheme’s target groups are broader than just SCs and STs. It includes students from Scheduled Castes (SCs), De-notified, Nomadic & Semi-Nomadic Tribes, families of Landless Agricultural Labourers, and Traditional Artisans. Scheduled Tribes (STs) have a separate overseas scholarship scheme administered by the Ministry of Tribal Affairs.

• Statement 2 is correct. There is a strict income ceiling for eligibility. The total annual income of the candidate’s family from all sources should not be more than ₹8 lakh. This ensures that the financial assistance reaches students from economically weaker sections within the target communities.

• Statement 3 is correct. The scheme includes a provision to ensure equitable geographical distribution of the scholarships. To prevent a single state from dominating the awards, a cap is placed so that no more than 10% of the total slots for a given year are awarded to candidates domiciled in the same state.

Solution: B

• Question 8 of 10 8. Question 1 points Which of the following geographical features is most accurately described as a hyper-arid coastal desert in Namibia, famous for its shipwrecks and rich mineral deposits like diamonds and uranium? (a) The Kalahari Desert (b) The Etosha Pan (c) The Fish River Canyon (d) The Namib Desert Correct Solution: D (d) The Namib Desert is the correct answer. It is a coastal desert, one of the oldest and driest in the world, stretching along Namibia’s entire Atlantic coast. It is characterized by hyper-arid conditions, massive sand dunes, and the infamous Skeleton Coast, where dense fog causes numerous shipwrecks. It is also world-renowned for its significant alluvial diamond deposits and uranium (a) The Kalahari Desert is located in the eastern part of Namibia and is a large semi-arid sandy savanna, not a hyper-arid coastal desert. (b) The Etosha Pan is a large, saline mineral pan located in the Central Plateau of northern Namibia, not a coastal desert. (c) The Fish River Canyon, while a spectacular geological feature in the Central Plateau, is a canyon and not a coastal desert. Incorrect Solution: D (d) The Namib Desert is the correct answer. It is a coastal desert, one of the oldest and driest in the world, stretching along Namibia’s entire Atlantic coast. It is characterized by hyper-arid conditions, massive sand dunes, and the infamous Skeleton Coast, where dense fog causes numerous shipwrecks. It is also world-renowned for its significant alluvial diamond deposits and uranium (a) The Kalahari Desert is located in the eastern part of Namibia and is a large semi-arid sandy savanna, not a hyper-arid coastal desert. (b) The Etosha Pan is a large, saline mineral pan located in the Central Plateau of northern Namibia, not a coastal desert. (c) The Fish River Canyon, while a spectacular geological feature in the Central Plateau, is a canyon and not a coastal desert.

#### 8. Question

Which of the following geographical features is most accurately described as a hyper-arid coastal desert in Namibia, famous for its shipwrecks and rich mineral deposits like diamonds and uranium?

• (a) The Kalahari Desert

• (b) The Etosha Pan

• (c) The Fish River Canyon

• (d) The Namib Desert

Solution: D

• (d) The Namib Desert is the correct answer. It is a coastal desert, one of the oldest and driest in the world, stretching along Namibia’s entire Atlantic coast. It is characterized by hyper-arid conditions, massive sand dunes, and the infamous Skeleton Coast, where dense fog causes numerous shipwrecks. It is also world-renowned for its significant alluvial diamond deposits and uranium

• (a) The Kalahari Desert is located in the eastern part of Namibia and is a large semi-arid sandy savanna, not a hyper-arid coastal desert.

• (b) The Etosha Pan is a large, saline mineral pan located in the Central Plateau of northern Namibia, not a coastal desert.

• (c) The Fish River Canyon, while a spectacular geological feature in the Central Plateau, is a canyon and not a coastal desert.

Solution: D

• (a) The Kalahari Desert is located in the eastern part of Namibia and is a large semi-arid sandy savanna, not a hyper-arid coastal desert.

• (b) The Etosha Pan is a large, saline mineral pan located in the Central Plateau of northern Namibia, not a coastal desert.

• (c) The Fish River Canyon, while a spectacular geological feature in the Central Plateau, is a canyon and not a coastal desert.

• Question 9 of 10 9. Question 1 points The recent breakthrough in developing a high-yield Japonica rice variety at National Institute of Plant Genome Research (NIPGR) was achieved by employing which specific scientific technique? (a) Creating a transgenic variety by introducing a foreign gene for phosphate absorption. (b) Using conventional hybridization to cross-breed Japonica rice with a phosphate-efficient Indica variety. (c) Utilizing CRISPR-Cas9 to precisely edit the promoter region of a phosphate transporter gene without altering the gene itself. (d) Inducing random mutations using gamma radiation to screen for plants with enhanced phosphate uptake. Correct Solution: C Option (c) is the most accurate description. The research did not introduce foreign DNA (which would be transgenic) or simply knock out a gene. It employed a sophisticated form of gene editing known as “promoter gene surgery.” The scientists used CRISPR-Cas9 to remove only the specific binding sites on the promoter of the OsPHO1;2 This prevented the repressor protein from attaching and blocking the gene’s function, thereby enhancing phosphate transport. This minimal, precise intervention is the key innovation. Incorrect Solution: C Option (c) is the most accurate description. The research did not introduce foreign DNA (which would be transgenic) or simply knock out a gene. It employed a sophisticated form of gene editing known as “promoter gene surgery.” The scientists used CRISPR-Cas9 to remove only the specific binding sites on the promoter of the OsPHO1;2 This prevented the repressor protein from attaching and blocking the gene’s function, thereby enhancing phosphate transport. This minimal, precise intervention is the key innovation.

#### 9. Question

The recent breakthrough in developing a high-yield Japonica rice variety at National Institute of Plant Genome Research (NIPGR) was achieved by employing which specific scientific technique?

• (a) Creating a transgenic variety by introducing a foreign gene for phosphate absorption.

• (b) Using conventional hybridization to cross-breed Japonica rice with a phosphate-efficient Indica variety.

• (c) Utilizing CRISPR-Cas9 to precisely edit the promoter region of a phosphate transporter gene without altering the gene itself.

• (d) Inducing random mutations using gamma radiation to screen for plants with enhanced phosphate uptake.

Solution: C

• Option (c) is the most accurate description. The research did not introduce foreign DNA (which would be transgenic) or simply knock out a gene. It employed a sophisticated form of gene editing known as “promoter gene surgery.” The scientists used CRISPR-Cas9 to remove only the specific binding sites on the promoter of the OsPHO1;2 This prevented the repressor protein from attaching and blocking the gene’s function, thereby enhancing phosphate transport. This minimal, precise intervention is the key innovation.

Solution: C

• Question 10 of 10 10. Question 1 points Regarding the composition and safety of silica gel, consider the following statements: Silica gel is chemically composed of silicon carbide and is toxic if ingested. Some silica gel variants contain cobalt chloride, which acts as a moisture indicator, changing from blue to pink. Due to its high reactivity, silica gel cannot be reused once it has absorbed moisture. 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. Silica gel is composed of silicon dioxide (SiO2), not silicon carbide. In its pure form, it is non-toxic and chemically inert, although it is considered a choking hazard, especially for children. Statement 2 is correct. While base silica gel is non-toxic, some types are treated with a moisture indicator. Cobalt chloride is a common indicator used for this purpose. This chemical is blue when dry and turns pink as it absorbs moisture, providing a visual signal that the gel is saturated. Importantly, cobalt chloride itself is classified as toxic. Statement 3 is incorrect. Silica gel is not highly reactive; it is chemically inert. Its moisture absorption is a physical process (adsorption). One of its key features is that it is rechargeable and reusable. It can be dried out by heating it in an oven (typically at 115–125°C) to release the absorbed moisture, after which it can be used again. Incorrect Solution: A Statement 1 is incorrect. Silica gel is composed of silicon dioxide (SiO2), not silicon carbide. In its pure form, it is non-toxic and chemically inert, although it is considered a choking hazard, especially for children. Statement 2 is correct. While base silica gel is non-toxic, some types are treated with a moisture indicator. Cobalt chloride is a common indicator used for this purpose. This chemical is blue when dry and turns pink as it absorbs moisture, providing a visual signal that the gel is saturated. Importantly, cobalt chloride itself is classified as toxic. Statement 3 is incorrect. Silica gel is not highly reactive; it is chemically inert. Its moisture absorption is a physical process (adsorption). One of its key features is that it is rechargeable and reusable. It can be dried out by heating it in an oven (typically at 115–125°C) to release the absorbed moisture, after which it can be used again.

#### 10. Question

Regarding the composition and safety of silica gel, consider the following statements:

• Silica gel is chemically composed of silicon carbide and is toxic if ingested.

• Some silica gel variants contain cobalt chloride, which acts as a moisture indicator, changing from blue to pink.

• Due to its high reactivity, silica gel cannot be reused once it has absorbed moisture.

How many of the above statements is/are correct?

• (a) Only one

• (b) Only two

• (c) All three

Solution: A

• Statement 1 is incorrect. Silica gel is composed of silicon dioxide (SiO2), not silicon carbide. In its pure form, it is non-toxic and chemically inert, although it is considered a choking hazard, especially for children.

• Statement 2 is correct. While base silica gel is non-toxic, some types are treated with a moisture indicator. Cobalt chloride is a common indicator used for this purpose. This chemical is blue when dry and turns pink as it absorbs moisture, providing a visual signal that the gel is saturated. Importantly, cobalt chloride itself is classified as toxic.

• Statement 3 is incorrect. Silica gel is not highly reactive; it is chemically inert. Its moisture absorption is a physical process (adsorption). One of its key features is that it is rechargeable and reusable. It can be dried out by heating it in an oven (typically at 115–125°C) to release the absorbed moisture, after which it can be used again.

Solution: A

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