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The following Quiz is based on the Hindu, PIB and other news sources. It is a current events based quiz. Solving these questions will help retain both concepts and facts relevant to UPSC IAS civil services exam.
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Question 1 of 5
1. Question
1 pointsWhich of the following are the Applications of Quantum dots?
- Enhance display quality in QLED screens.
- Targeted drug delivery for therapy.
- Improve solar cell efficiency.
- Anti-counterfeit markers on currency and documents.
- Adjust the colour temperature in LED lamps.
How many of the above statements is/are correct?
Correct
Solution: d)
Applications of Quantum dots:
Application Description Examples Display Technology Enhance display quality in QLED screens. Samsung QLED TVs Lighting Adjust the colour temperature in LED lamps. Nanoco LED lighting solutions Biomedical Imaging Map cells and organs for research and diagnostics. Quantum dots for cancer imaging Drug Delivery Targeted drug delivery for therapy. Quantum dots for drug delivery Photovoltaics Improve solar cell efficiency. Quantum dot solar cells Sensing and Detection Detect and measure specific substances. Quantum dot sensors Quantum Computing Quantum bits (qubits) in quantum computing. Quantum dot-based qubits Security Marking Anti-counterfeit markers on currency and documents. Security applications Incorrect
Solution: d)
Applications of Quantum dots:
Application Description Examples Display Technology Enhance display quality in QLED screens. Samsung QLED TVs Lighting Adjust the colour temperature in LED lamps. Nanoco LED lighting solutions Biomedical Imaging Map cells and organs for research and diagnostics. Quantum dots for cancer imaging Drug Delivery Targeted drug delivery for therapy. Quantum dots for drug delivery Photovoltaics Improve solar cell efficiency. Quantum dot solar cells Sensing and Detection Detect and measure specific substances. Quantum dot sensors Quantum Computing Quantum bits (qubits) in quantum computing. Quantum dot-based qubits Security Marking Anti-counterfeit markers on currency and documents. Security applications -
Question 2 of 5
2. Question
1 pointsConsider the following statements.
- Glaciers cover less than 1% of the Earth’s land surface.
- Retreating glaciers, like several in the Himalayas, usually result in the formation of lakes at their tips, often bound only by sediments and boulders.
- TheGlacial Lake outburst flood (GLOF) is not yet recognized as a disaster in the National Disaster Management Plan (NDMP) 2019 of India.
How many of the above statements is/are correct?
Correct
Solution: a)
Only Statement 2 is correct.
Glaciers cover around 10% of the Earth’s land surface, but they are shrinking rapidly across most parts of the world, leading to cascading impacts on downstream systems.
What is Glacial Lake outburst flood (GLOF)?
Retreating glaciers, like several in the Himalayas, usually result in the formation of lakes at their tips, called proglacial lakes, often bound only by sediments and boulders.
If the boundaries of these lakes are breached, it can lead to large amounts of water rushing down, the way by picking up sediments, rocks, and other materials. A majority of the glaciers in the Himalayas are known to be receding, all leading to the formation of several glacial lakes.
GLOFs are recognized in the National Disaster Management Plan (NDMP) 2019 of India as a potential climatological disaster.
Incorrect
Solution: a)
Only Statement 2 is correct.
Glaciers cover around 10% of the Earth’s land surface, but they are shrinking rapidly across most parts of the world, leading to cascading impacts on downstream systems.
What is Glacial Lake outburst flood (GLOF)?
Retreating glaciers, like several in the Himalayas, usually result in the formation of lakes at their tips, called proglacial lakes, often bound only by sediments and boulders.
If the boundaries of these lakes are breached, it can lead to large amounts of water rushing down, the way by picking up sediments, rocks, and other materials. A majority of the glaciers in the Himalayas are known to be receding, all leading to the formation of several glacial lakes.
GLOFs are recognized in the National Disaster Management Plan (NDMP) 2019 of India as a potential climatological disaster.
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Question 3 of 5
3. Question
1 pointsConsider the following statements.
- Teesta River is a tributary of the Ganga River and flows through India and Bangladesh.
- Teesta River originates in the Himalayas near Chunthang, Sikkim.
- Glacial lakes are formed due to glacier retreat and exist only for short period of time.
How many of the above statements is/are correct?
Correct
Solution: a)
Only Statement 2 is correct.
Glacial lakes are formed due to glacier retreat and hold valuable geological information, including fossils and landmass formation. These lakes can exist for thousands of years, storing information about past environmental changes.
Teesta River is a tributary of the Brahmaputra which flows through India and Bangladesh.
It originates in the Himalayas near Chunthang, Sikkim and flows to the south through West Bengal before entering Bangladesh.
Incorrect
Solution: a)
Only Statement 2 is correct.
Glacial lakes are formed due to glacier retreat and hold valuable geological information, including fossils and landmass formation. These lakes can exist for thousands of years, storing information about past environmental changes.
Teesta River is a tributary of the Brahmaputra which flows through India and Bangladesh.
It originates in the Himalayas near Chunthang, Sikkim and flows to the south through West Bengal before entering Bangladesh.
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Question 4 of 5
4. Question
1 pointsConsider the following statements regarding Udangudi Panangkarupatti.
- Udangudi Panangkarupatti is a type of palm jaggery or gur from Kerala.
- It has received a Geographical Indication (GI) tag.
- It is distinct due to the presence of red sand dune soil found in the Udangudi region.
How many of the above statements is/are correct?
Correct
Solution: b)
Statement 1 is incorrect.
- Udangudi Panangkarupatti, a type of palm jaggery or gur from Tamil Nadu, has received a Geographical Indication (GI) tag.
- The uniqueness of Udangudi Panangkarupatti lies in its traditional preparation method, which does not involve the use of modern strategies or chemical additives like triple superphosphate and phosphoric acid, which are commonly used in other areas for jaggery production.
- This palm jaggery is distinct due to the presence of red sand dune soil found in the Udangudi region. This soil has low groundwater retention and results in a dry climate with lower moisture content in the atmosphere. These conditions lead to a high sucrose content in the palm sap, enhancing its taste.
- Udangudi jaggery has gained popularity not only locally but also internationally, being exported to countries such as Sri Lanka, Malaysia, and Singapore.
Incorrect
Solution: b)
Statement 1 is incorrect.
- Udangudi Panangkarupatti, a type of palm jaggery or gur from Tamil Nadu, has received a Geographical Indication (GI) tag.
- The uniqueness of Udangudi Panangkarupatti lies in its traditional preparation method, which does not involve the use of modern strategies or chemical additives like triple superphosphate and phosphoric acid, which are commonly used in other areas for jaggery production.
- This palm jaggery is distinct due to the presence of red sand dune soil found in the Udangudi region. This soil has low groundwater retention and results in a dry climate with lower moisture content in the atmosphere. These conditions lead to a high sucrose content in the palm sap, enhancing its taste.
- Udangudi jaggery has gained popularity not only locally but also internationally, being exported to countries such as Sri Lanka, Malaysia, and Singapore.
-
Question 5 of 5
5. Question
1 pointsConsider the following statements regarding Enforcement Directorate.
- Enforcement Directorate is a statutory body mandated with investigation of offences of money laundering and violations of foreign exchange laws.
- It is an agency under the Union Ministry of Home Affairs.
- The Enforcement Directorate does have the power to take action on its own (suo moto).
How many of the above statements is/are correct?
Correct
Solution: d)
Incorrect
Solution: d)
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