UPSC Editorials Quiz : 28 December 2024

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 How does a speed gun utilize the Doppler Effect? a) By measuring the amplitude of reflected waves b) By analyzing the frequency shift in reflected waves c) By comparing the wavelengths of two stationary objects d) By detecting interference patterns in wave propagation Correct Solution: b) Speed guns leverage the Doppler Effect to measure the speed of moving objects. When the gun emits electromagnetic waves, these waves reflect off a moving object (e.g., a vehicle). If the object is moving towards the speed gun, the reflected waves have a higher frequency than the emitted waves; if moving away, the reflected waves have a lower frequency. This frequency shift is directly proportional to the speed of the object relative to the speed gun. The speed gun’s receiver detects the frequency shift in the reflected waves and uses it to calculate the speed of the moving object. The formula used incorporates the known speed of the emitted waves (speed of light for radar-based speed guns) and the measured frequency difference. Incorrect Solution: b) Speed guns leverage the Doppler Effect to measure the speed of moving objects. When the gun emits electromagnetic waves, these waves reflect off a moving object (e.g., a vehicle). If the object is moving towards the speed gun, the reflected waves have a higher frequency than the emitted waves; if moving away, the reflected waves have a lower frequency. This frequency shift is directly proportional to the speed of the object relative to the speed gun. The speed gun’s receiver detects the frequency shift in the reflected waves and uses it to calculate the speed of the moving object. The formula used incorporates the known speed of the emitted waves (speed of light for radar-based speed guns) and the measured frequency difference.

#### 1. Question

How does a speed gun utilize the Doppler Effect?

• a) By measuring the amplitude of reflected waves

• b) By analyzing the frequency shift in reflected waves

• c) By comparing the wavelengths of two stationary objects

• d) By detecting interference patterns in wave propagation

Solution: b)

Speed guns leverage the Doppler Effect to measure the speed of moving objects. When the gun emits electromagnetic waves, these waves reflect off a moving object (e.g., a vehicle). If the object is moving towards the speed gun, the reflected waves have a higher frequency than the emitted waves; if moving away, the reflected waves have a lower frequency. This frequency shift is directly proportional to the speed of the object relative to the speed gun.

The speed gun’s receiver detects the frequency shift in the reflected waves and uses it to calculate the speed of the moving object. The formula used incorporates the known speed of the emitted waves (speed of light for radar-based speed guns) and the measured frequency difference.

Solution: b)

• Question 2 of 5 2. Question The ‘Lithium Triangle’ is located in which of the following regions? a) Central Africa b) Eastern Europe c) South America d) Central Asia Correct Solution: c) China: Dominates lithium, graphite, and REE processing (controls 87% of rare earth processing). Australia: Major producer of lithium and REE. DRC: Largest cobalt reserves (60% of global output). USA: Significant REE mining but lacks refining capabilities. South America: Lithium Triangle (Chile, Argentina, Bolivia). Incorrect Solution: c) China: Dominates lithium, graphite, and REE processing (controls 87% of rare earth processing). Australia: Major producer of lithium and REE. DRC: Largest cobalt reserves (60% of global output). USA: Significant REE mining but lacks refining capabilities. South America: Lithium Triangle (Chile, Argentina, Bolivia).

#### 2. Question

The ‘Lithium Triangle’ is located in which of the following regions?

• a) Central Africa

• b) Eastern Europe

• c) South America

• d) Central Asia

Solution: c)

• China: Dominates lithium, graphite, and REE processing (controls 87% of rare earth processing).

• Australia: Major producer of lithium and REE.

• DRC: Largest cobalt reserves (60% of global output).

• USA: Significant REE mining but lacks refining capabilities.

• South America: Lithium Triangle (Chile, Argentina, Bolivia).

Solution: c)

• China: Dominates lithium, graphite, and REE processing (controls 87% of rare earth processing).

• Australia: Major producer of lithium and REE.

• DRC: Largest cobalt reserves (60% of global output).

• USA: Significant REE mining but lacks refining capabilities.

• South America: Lithium Triangle (Chile, Argentina, Bolivia).

• Question 3 of 5 3. Question Consider the following statements about Akbar’s religious policies: Akbar introduced Din-i-Ilahi to promote equality among all religious communities. Sulh-i-Kul was a governance principle focusing on inclusivity and harmony. Akbar prohibited translations of Hindu texts to Persian. The Ibadat Khana at Fatehpur Sikri was used to conduct Islamic theological debates exclusively. 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; Din-i-Ilahi aimed to foster universal harmony, emphasizing equality and moral values. Statement 2 is correct; Sulh-i-Kul promoted inclusivity and peaceful coexistence among all communities. Statement 3 is incorrect; Akbar actively encouraged translations of Hindu texts, such as the Mahabharata, into Persian. Statement 4 is incorrect; the Ibadat Khana was open to interfaith dialogues, not limited to Islamic theological debates. Religious Policy: Religious Tolerance: Abolished jiziya and pilgrimage tax for non-Muslims. Prevented Sati and promoted equality. Ibadat Khana:Established a platform for interfaith dialogues at Fatehpur Sikri. Din-i-Ilahi:Introduced a syncretic religious doctrine promoting universal harmony. Sulh-i-Kul:Governance policy advocating peace and inclusivity. Historians and Books on Akbar: Akbarnama and Ain-i-Akbari by Abu’l-Fazl:Detailed records of Akbar’s reign and administration. Hamzanama:Commissioned by Akbar, narrating Persian epic tales. Razmnama:Persian translation of the Mahabharata. Literature: Encouraged translations of Hindu and Persian texts, such as Yogavashishtha and Mahabharata. Patronized poets and scholars like Faizi and Tansen. Incorrect Solution: b) Statement 1 is correct; Din-i-Ilahi aimed to foster universal harmony, emphasizing equality and moral values. Statement 2 is correct; Sulh-i-Kul promoted inclusivity and peaceful coexistence among all communities. Statement 3 is incorrect; Akbar actively encouraged translations of Hindu texts, such as the Mahabharata, into Persian. Statement 4 is incorrect; the Ibadat Khana was open to interfaith dialogues, not limited to Islamic theological debates. Religious Policy: Religious Tolerance: Abolished jiziya and pilgrimage tax for non-Muslims. Prevented Sati and promoted equality. Ibadat Khana:Established a platform for interfaith dialogues at Fatehpur Sikri. Din-i-Ilahi:Introduced a syncretic religious doctrine promoting universal harmony. Sulh-i-Kul:Governance policy advocating peace and inclusivity. Historians and Books on Akbar: Akbarnama and Ain-i-Akbari by Abu’l-Fazl:Detailed records of Akbar’s reign and administration. Hamzanama:Commissioned by Akbar, narrating Persian epic tales. Razmnama:Persian translation of the Mahabharata. Literature: Encouraged translations of Hindu and Persian texts, such as Yogavashishtha and Mahabharata. Patronized poets and scholars like Faizi and Tansen.

#### 3. Question

Consider the following statements about Akbar’s religious policies:

• Akbar introduced Din-i-Ilahi to promote equality among all religious communities.

• Sulh-i-Kul was a governance principle focusing on inclusivity and harmony.

• Akbar prohibited translations of Hindu texts to Persian.

• The Ibadat Khana at Fatehpur Sikri was used to conduct Islamic theological debates exclusively.

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; Din-i-Ilahi aimed to foster universal harmony, emphasizing equality and moral values.

Statement 2 is correct; Sulh-i-Kul promoted inclusivity and peaceful coexistence among all communities.

Statement 3 is incorrect; Akbar actively encouraged translations of Hindu texts, such as the Mahabharata, into Persian.

Statement 4 is incorrect; the Ibadat Khana was open to interfaith dialogues, not limited to Islamic theological debates.

Religious Policy:

Religious Tolerance:

• Abolished jiziya and pilgrimage tax for non-Muslims.

• Prevented Sati and promoted equality.

• Ibadat Khana:Established a platform for interfaith dialogues at Fatehpur Sikri.

• Din-i-Ilahi:Introduced a syncretic religious doctrine promoting universal harmony.

• Sulh-i-Kul:Governance policy advocating peace and inclusivity.

Historians and Books on Akbar:

• Akbarnama and Ain-i-Akbari by Abu’l-Fazl:Detailed records of Akbar’s reign and administration.

• Hamzanama:Commissioned by Akbar, narrating Persian epic tales.

• Razmnama:Persian translation of the Mahabharata.

Literature:

• Encouraged translations of Hindu and Persian texts, such as Yogavashishtha and Mahabharata.

• Patronized poets and scholars like Faizi and Tansen.

Solution: b)

Statement 1 is correct; Din-i-Ilahi aimed to foster universal harmony, emphasizing equality and moral values.

Statement 2 is correct; Sulh-i-Kul promoted inclusivity and peaceful coexistence among all communities.

Statement 3 is incorrect; Akbar actively encouraged translations of Hindu texts, such as the Mahabharata, into Persian.

Statement 4 is incorrect; the Ibadat Khana was open to interfaith dialogues, not limited to Islamic theological debates.

Religious Policy:

Religious Tolerance:

• Abolished jiziya and pilgrimage tax for non-Muslims.

• Prevented Sati and promoted equality.

• Ibadat Khana:Established a platform for interfaith dialogues at Fatehpur Sikri.

• Din-i-Ilahi:Introduced a syncretic religious doctrine promoting universal harmony.

• Sulh-i-Kul:Governance policy advocating peace and inclusivity.

Historians and Books on Akbar:

• Akbarnama and Ain-i-Akbari by Abu’l-Fazl:Detailed records of Akbar’s reign and administration.

• Hamzanama:Commissioned by Akbar, narrating Persian epic tales.

• Razmnama:Persian translation of the Mahabharata.

Literature:

• Encouraged translations of Hindu and Persian texts, such as Yogavashishtha and Mahabharata.

• Patronized poets and scholars like Faizi and Tansen.

• Question 4 of 5 4. Question Which of the following is a key feedback loop contributing to global warming? a) Reduction in albedo from melting ice b) Increased plant growth due to higher CO₂ levels c) Higher reflectivity of the Earth's surface d) Reduced methane emissions from wetlands Correct Solution: a) The reduction in albedo due to melting ice is a key feedback loop that contributes to global warming. Albedo refers to the reflectivity of the Earth’s surface, where ice and snow reflect a significant portion of solar radiation back into space. When ice melts, it exposes darker surfaces such as oceans or land, which absorb more solar energy instead of reflecting it. This absorbed heat further accelerates the melting of ice, creating a positive feedback loop that exacerbates global warming. Incorrect Solution: a) The reduction in albedo due to melting ice is a key feedback loop that contributes to global warming. Albedo refers to the reflectivity of the Earth’s surface, where ice and snow reflect a significant portion of solar radiation back into space. When ice melts, it exposes darker surfaces such as oceans or land, which absorb more solar energy instead of reflecting it. This absorbed heat further accelerates the melting of ice, creating a positive feedback loop that exacerbates global warming.

#### 4. Question

Which of the following is a key feedback loop contributing to global warming?

• a) Reduction in albedo from melting ice

• b) Increased plant growth due to higher CO₂ levels

• c) Higher reflectivity of the Earth's surface

• d) Reduced methane emissions from wetlands

Solution: a)

The reduction in albedo due to melting ice is a key feedback loop that contributes to global warming. Albedo refers to the reflectivity of the Earth’s surface, where ice and snow reflect a significant portion of solar radiation back into space. When ice melts, it exposes darker surfaces such as oceans or land, which absorb more solar energy instead of reflecting it. This absorbed heat further accelerates the melting of ice, creating a positive feedback loop that exacerbates global warming.

Solution: a)

• Question 5 of 5 5. Question Which of the following factors is NOT directly used in the calculation of Real Effective Exchange Rate (REER)? a) Bilateral nominal exchange rates b) Trade weights of trading partners c) Inflation differentials d) Domestic interest rates Correct Solution: d) Real Effective Exchange Rate (REER) is a weighted average of a country’s currency value relative to the currencies of its major trading partners, adjusted for inflation. Its calculation involves the following components: Bilateral nominal exchange rates: These measure the value of a country’s currency relative to each trading partner’s currency. Trade weights of trading partners: These represent the relative importance of each trading partner in the country’s overall trade, influencing the weight assigned to each exchange rate. Inflation differentials: Adjustments for differences in inflation rates between the country and its trading partners ensure that the REER reflects real competitiveness. Domestic interest rates are not directly used in the calculation of REER. While interest rates can influence exchange rates through capital flows, they do not factor directly into the formula for REER. Incorrect Solution: d) Real Effective Exchange Rate (REER) is a weighted average of a country’s currency value relative to the currencies of its major trading partners, adjusted for inflation. Its calculation involves the following components: Bilateral nominal exchange rates: These measure the value of a country’s currency relative to each trading partner’s currency. Trade weights of trading partners: These represent the relative importance of each trading partner in the country’s overall trade, influencing the weight assigned to each exchange rate. Inflation differentials: Adjustments for differences in inflation rates between the country and its trading partners ensure that the REER reflects real competitiveness. Domestic interest rates are not directly used in the calculation of REER. While interest rates can influence exchange rates through capital flows, they do not factor directly into the formula for REER.

#### 5. Question

Which of the following factors is NOT directly used in the calculation of Real Effective Exchange Rate (REER)?

• a) Bilateral nominal exchange rates

• b) Trade weights of trading partners

• c) Inflation differentials

• d) Domestic interest rates

Solution: d)

Real Effective Exchange Rate (REER) is a weighted average of a country’s currency value relative to the currencies of its major trading partners, adjusted for inflation. Its calculation involves the following components:

• Bilateral nominal exchange rates: These measure the value of a country’s currency relative to each trading partner’s currency.

• Trade weights of trading partners: These represent the relative importance of each trading partner in the country’s overall trade, influencing the weight assigned to each exchange rate.

• Inflation differentials: Adjustments for differences in inflation rates between the country and its trading partners ensure that the REER reflects real competitiveness.

Domestic interest rates are not directly used in the calculation of REER. While interest rates can influence exchange rates through capital flows, they do not factor directly into the formula for REER.

Solution: d)

• Bilateral nominal exchange rates: These measure the value of a country’s currency relative to each trading partner’s currency.

• Trade weights of trading partners: These represent the relative importance of each trading partner in the country’s overall trade, influencing the weight assigned to each exchange rate.

• Inflation differentials: Adjustments for differences in inflation rates between the country and its trading partners ensure that the REER reflects real competitiveness.

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