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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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Consider the following statements with respect to ‘Challenger Deep’.
Select the correct statements
Solution (b)
According to NOAA, the average depth of the ocean is about 12,100 feet and the deepest part is called the Challenger Deep, which is located below the surface of the western Pacific Ocean. It is approximately 36,200 feet deep.
Solution (b)
According to NOAA, the average depth of the ocean is about 12,100 feet and the deepest part is called the Challenger Deep, which is located below the surface of the western Pacific Ocean. It is approximately 36,200 feet deep.
Consider the following statements with respect to ‘Permafrost’.
Select the correct statements
Solution (c)
Permafrost is ground that remains completely frozen at 0 degrees Celsius or below for at least two years. It is defined solely based on temperature and duration. The permanently frozen ground, consisting of soil, sand, and rock held together by ice, is believed to have formed during glacial periods dating several millennia.
While permafrost itself is always frozen, the surface layer that covers it (called the “active layer”) need not be. In Canada and Russia, for example, colourful tundra vegetation carpet over permafrost for thousands of kilometres. Its thickness reduces progressively towards the south, and is affected by a number of other factors, including the Earth’s interior heat, snow and vegetation cover, presence of water bodies, and topography.
When permafrost thaws, microbes start decomposing this carbon matter, releasing greenhouse gases like methane and carbon dioxide. Researchers have estimated that for every 1 degree Celsius rise in average temperature, permafrost grounds could release greenhouse gases to the tune of 4-6 years’ of emissions from coal, oil, and natural gas — becoming a major factor of climate change in themselves.
Along with greenhouse houses, these grounds could also release ancient bacteria and viruses into the atmosphere as they unfreeze.
Solution (c)
Permafrost is ground that remains completely frozen at 0 degrees Celsius or below for at least two years. It is defined solely based on temperature and duration. The permanently frozen ground, consisting of soil, sand, and rock held together by ice, is believed to have formed during glacial periods dating several millennia.
While permafrost itself is always frozen, the surface layer that covers it (called the “active layer”) need not be. In Canada and Russia, for example, colourful tundra vegetation carpet over permafrost for thousands of kilometres. Its thickness reduces progressively towards the south, and is affected by a number of other factors, including the Earth’s interior heat, snow and vegetation cover, presence of water bodies, and topography.
When permafrost thaws, microbes start decomposing this carbon matter, releasing greenhouse gases like methane and carbon dioxide. Researchers have estimated that for every 1 degree Celsius rise in average temperature, permafrost grounds could release greenhouse gases to the tune of 4-6 years’ of emissions from coal, oil, and natural gas — becoming a major factor of climate change in themselves.
Along with greenhouse houses, these grounds could also release ancient bacteria and viruses into the atmosphere as they unfreeze.
‘Serotonin’ is found in
Select the correct code:
Solution (d)
It is a monoamine neurotransmitter. It has a popular image as a contributor to feelings of well-being and happiness, though its actual biological function is complex and multifaceted, modulating cognition, reward, learning, memory, and numerous physiological processes such as vomiting and vasoconstriction.
Serotonin is primarily found in the enteric nervous system located in the gastrointestinal tract (GI tract). However, it is also produced in the central nervous system (CNS), specifically in the Raphe nuclei located in the brainstem. Additionally, serotonin is stored in blood platelets and is released during agitation and vasoconstriction, where it then acts as an agonist to other platelets.
Solution (d)
It is a monoamine neurotransmitter. It has a popular image as a contributor to feelings of well-being and happiness, though its actual biological function is complex and multifaceted, modulating cognition, reward, learning, memory, and numerous physiological processes such as vomiting and vasoconstriction.
Serotonin is primarily found in the enteric nervous system located in the gastrointestinal tract (GI tract). However, it is also produced in the central nervous system (CNS), specifically in the Raphe nuclei located in the brainstem. Additionally, serotonin is stored in blood platelets and is released during agitation and vasoconstriction, where it then acts as an agonist to other platelets.
Which of the following statements with respect to ‘Crypto-jacking’.
Select the correct statements
Solution (c)
Cryptojacking is the malicious use of a person or persons’ computing power to mine cryptocurrencies without consent.
Unlike most other types of malware, crypto-jacking scripts do not use the victim’s data. But they drain the CPU’s resources, which slows down the system, increases electricity usage, and causes irreparable damage to the hardware.
Source: https://www.thehindu.com/news/international/all-about-crypto-jacking/article31740837.ece
Solution (c)
Cryptojacking is the malicious use of a person or persons’ computing power to mine cryptocurrencies without consent.
Unlike most other types of malware, crypto-jacking scripts do not use the victim’s data. But they drain the CPU’s resources, which slows down the system, increases electricity usage, and causes irreparable damage to the hardware.
Source: https://www.thehindu.com/news/international/all-about-crypto-jacking/article31740837.ece
‘Tocilizumab’, a drug is seeing increased use in treating severe COVID-19 patients. It is originally used to treat
Solution (c)
Tocilizumab, a drug originally used for rheumatoid arthritis is seeing increased use in treating severe COVID-19 patients.
Solution (c)
Tocilizumab, a drug originally used for rheumatoid arthritis is seeing increased use in treating severe COVID-19 patients.
