IASbaba Daily Prelims Quiz
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The Current Affairs questions are based on sources like ‘The Hindu’, ‘Indian Express’ and ‘PIB’, which are very important sources for UPSC Prelims Exam. The questions are focused on both the concepts and facts. The topics covered here are generally different from what is being covered under ‘Daily Current Affairs/Daily News Analysis (DNA) and Daily Static Quiz’ to avoid duplication. The questions would be published from Monday to Saturday before 2 PM. One should not spend more than 10 minutes on this initiative.
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Question 1 of 5
1. Question
Consider the following statements about the Dark oxygen
- Dark oxygen” refers to oxygen produced in deep ocean environments where sunlight cannot penetrate, thus precluding photosynthesis.
- The process of “dark oxygen” production is primarily driven by chemosynthesis carried out by specialized bacteria near hydrothermal vents.
- Metallic nodules found on the ocean floor have been identified as playing a role in “dark oxygen” production through electrochemical reactions.
How many of the statements given above are correct?
Correct
Solution (b)
Statement Analysis
Statement 1 Statement 2 Statement 3 correct Incorrect correct - Dark oxygen” specifically refers to oxygen production in the absence of sunlight, in the deep ocean.
- While chemosynthesis does occur near hydrothermal vents and supports unique ecosystems, it’s not the primary process behind the recently discovered “dark oxygen.” The key process involves electrochemical reactions with metallic nodules.
- Recent research has highlighted the role of metallic nodules in generating oxygen through electrochemical activity.
Context:The recent discovery of “dark oxygen” production in the Clarion-Clipperton Zone challenges conventional understanding of oxygen generation, which has long been tied to photosynthesis requiring sunlight.
Incorrect
Solution (b)
Statement Analysis
Statement 1 Statement 2 Statement 3 correct Incorrect correct - Dark oxygen” specifically refers to oxygen production in the absence of sunlight, in the deep ocean.
- While chemosynthesis does occur near hydrothermal vents and supports unique ecosystems, it’s not the primary process behind the recently discovered “dark oxygen.” The key process involves electrochemical reactions with metallic nodules.
- Recent research has highlighted the role of metallic nodules in generating oxygen through electrochemical activity.
Context:The recent discovery of “dark oxygen” production in the Clarion-Clipperton Zone challenges conventional understanding of oxygen generation, which has long been tied to photosynthesis requiring sunlight.
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Question 2 of 5
2. Question
Consider the following statements about the DDT (Dichloro diphenyl trichloroethane)
- DDT is a persistent organic pollutant (POP).
- It was widely used to control malaria and typhus during World War II.
- DDT is banned in many countries due to its harmful effects on the environment and human health.
How many of the statements given above are correct?
Correct
Solution (c)
Statement Analysis
Statement 1 Statement 2 Statement 3 correct correct correct - DDT is indeed a persistent organic pollutant (POP), meaning it breaks down slowly in the environment and can accumulate in the food chain. It was effectively used to control malaria and typhus during World War II, but its widespread use led to concerns about its environmental and health impacts. Consequently, DDT is banned in many countries, although limited use is still permitted in some areas for disease control under strict conditions
Context:Researchers from Sweden have discovered a method to reclaim infertile soil contaminated with DDT (Dichloro-Diphenyl-Trichloroethane) by mixing it with biochar.
Incorrect
Solution (c)
Statement Analysis
Statement 1 Statement 2 Statement 3 correct correct correct - DDT is indeed a persistent organic pollutant (POP), meaning it breaks down slowly in the environment and can accumulate in the food chain. It was effectively used to control malaria and typhus during World War II, but its widespread use led to concerns about its environmental and health impacts. Consequently, DDT is banned in many countries, although limited use is still permitted in some areas for disease control under strict conditions
Context:Researchers from Sweden have discovered a method to reclaim infertile soil contaminated with DDT (Dichloro-Diphenyl-Trichloroethane) by mixing it with biochar.
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Question 3 of 5
3. Question
Which of the following statements about SSI Mantra is correct?
Correct
Option c SSI Mantra is indeed India’s first indigenous surgical tele-robotic system that has received regulatory approval for telesurgery. Context:India’s first indigenous surgical tele-robotic system, SSI Mantra, was used to perform two complex heart surgeries remotely, with the surgeon in Gurugram and the patient in Jaipur.
Incorrect
Option c SSI Mantra is indeed India’s first indigenous surgical tele-robotic system that has received regulatory approval for telesurgery. Context:India’s first indigenous surgical tele-robotic system, SSI Mantra, was used to perform two complex heart surgeries remotely, with the surgeon in Gurugram and the patient in Jaipur.
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Question 4 of 5
4. Question
Consider the following statements about the Water Hyacinth
- It is a native aquatic plant of India.
- It can be used for biogas production.
Choose the incorrect statements:
Correct
4) Solution (a)
Statement Analysis
Statement 1 Statement 2 Incorrect correct - Water Hyacinth is not a native plant of India; it was introduced from South America. However, it is a highly invasive species that can quickly spread and cause ecological problems.
- Additionally, Water Hyacinth can be used for biogas production, making it a potential solution for managing this invasive weed.
Context: Recently, a group of fishermen were said to be stranded on Kenya’s Lake Naivasha due to water hyacinth that has taken over large parts of it.
Incorrect
4) Solution (a)
Statement Analysis
Statement 1 Statement 2 Incorrect correct - Water Hyacinth is not a native plant of India; it was introduced from South America. However, it is a highly invasive species that can quickly spread and cause ecological problems.
- Additionally, Water Hyacinth can be used for biogas production, making it a potential solution for managing this invasive weed.
Context: Recently, a group of fishermen were said to be stranded on Kenya’s Lake Naivasha due to water hyacinth that has taken over large parts of it.
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Question 5 of 5
5. Question
Consider the following statements about the NDRF (National Disaster Response Force)
- NDRF is a specialized force constituted under the Disaster Management Act, 2005.
- It is mandated to respond to and mitigate all types of disasters, including natural and man-made disasters.
Choose the correct statements:
Correct
Solution (c)
Statement Analysis
Statement 1 Statement 2 correct correct - NDRF is a specialized force constituted under the Disaster Management Act, 2005
- It is mandated to respond to and mitigate all types of disasters, including natural and man-made disasters.
Context:The Prime Minister salutes the brave personnel of the National Disaster Response Force (NDRF) on its Raising Day.
Incorrect
Solution (c)
Statement Analysis
Statement 1 Statement 2 correct correct - NDRF is a specialized force constituted under the Disaster Management Act, 2005
- It is mandated to respond to and mitigate all types of disasters, including natural and man-made disasters.
Context:The Prime Minister salutes the brave personnel of the National Disaster Response Force (NDRF) on its Raising Day.
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