Daily Quiz 13 February 2025
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Question 1 of 5
1. Question
1 pointsRecently seen in the news, Lezim is:
Correct
Answer: B
Explanation:
- Option B is correct: Lezim is a folk dance from the state of Maharashtra. It is also called as lazium or lezium. It gets its name after a musical instrument- a unique wooden stick, with jingling cymbals attached to it that the dancers carry while performing the dance. This folk dance originated in the year 1986. It is said that during the rule of Chhatrapati Shivaji, Lezim was a sport played by men to build their muscles. Eventually some of the community preserved this sport and started performing it as a dance performance.
- Initially the dance had two variations. The dance was performed in the villages of Maharashtra and Gujarat. The two different states added their own tradition and culture to it. In Maharashtra Lezium is mainly performed during the Ganesha festival and Ganpathi dance.
Incorrect
Answer: B
Explanation:
- Option B is correct: Lezim is a folk dance from the state of Maharashtra. It is also called as lazium or lezium. It gets its name after a musical instrument- a unique wooden stick, with jingling cymbals attached to it that the dancers carry while performing the dance. This folk dance originated in the year 1986. It is said that during the rule of Chhatrapati Shivaji, Lezim was a sport played by men to build their muscles. Eventually some of the community preserved this sport and started performing it as a dance performance.
- Initially the dance had two variations. The dance was performed in the villages of Maharashtra and Gujarat. The two different states added their own tradition and culture to it. In Maharashtra Lezium is mainly performed during the Ganesha festival and Ganpathi dance.
-
Question 2 of 5
2. Question
1 pointsThis is a machine learning approach that divides an artificial intelligence (AI) model into separate sub-networks (or “experts”), each specializing in a subset of the input data, to jointly perform a task. This is the most likely description of:
Correct
Answer: A
Explanation:
- Option A is correct: Mixture of experts (MoE) is a machine learning approach that divides an artificial intelligence (AI) model into separate sub-networks (or “experts”), each specializing in a subset of the input data, to jointly perform a task.
Mixture of Experts architectures enable large-scale models, even those comprising many billions of parameters, to greatly reduce computation costs during pre-training and achieve faster performance during inference time. Broadly speaking, it achieves this efficiency through selectively activating only the specific experts needed for a given task, rather than activating the entire neural network for every task.
Incorrect
Answer: A
Explanation:
- Option A is correct: Mixture of experts (MoE) is a machine learning approach that divides an artificial intelligence (AI) model into separate sub-networks (or “experts”), each specializing in a subset of the input data, to jointly perform a task.
Mixture of Experts architectures enable large-scale models, even those comprising many billions of parameters, to greatly reduce computation costs during pre-training and achieve faster performance during inference time. Broadly speaking, it achieves this efficiency through selectively activating only the specific experts needed for a given task, rather than activating the entire neural network for every task.
-
Question 3 of 5
3. Question
1 pointsConsider the following:
- Production of chlorination byproducts called trihalomethanes
- Reduction in the absorption of carbon dioxide
- Decreased sunlight penetration in the lakes
How many of the above are the most likely consequences of recent washing of organic carbon and other elements washing into the lakes in Greenland?
Correct
Answer: C
Explanation:
- The study, ‘Abrupt transformation of west Greenland lakes following compound climate extremes associated with atmospheric rivers’, was published in the journal Proceedings of the National Academy of Sciences last week. As organic carbon and other elements washed into the lakes, their physical, chemical, and biological properties changed. The study said that the impact of the 2022 extreme weather events was visible by July 2023, meaning the lakes’ colour, odour, and taste had dramatically altered.
- Point 1 is correct: As a result, the water quality of these lakes was adversely affected. The increased dissolved organic material can interact with drinking water treatment processes to produce chlorination byproducts called trihalomethanes, which may be carcinogenic.”
Points 2 and 3 are correct: Besides, the colour change also meant that less sunlight was able to penetrate the lakes, which, in turn, impacted the phytoplankton living in the water. Phytoplankton consume carbon dioxide on a scale equivalent to forests and other land plants through photosynthesis. However, reduced light in the lakes hindered this process, reducing the absorption of carbon dioxide. Meanwhile, the breakdown of organic matter by other organisms in the lakes increased.
Incorrect
Answer: C
Explanation:
- The study, ‘Abrupt transformation of west Greenland lakes following compound climate extremes associated with atmospheric rivers’, was published in the journal Proceedings of the National Academy of Sciences last week. As organic carbon and other elements washed into the lakes, their physical, chemical, and biological properties changed. The study said that the impact of the 2022 extreme weather events was visible by July 2023, meaning the lakes’ colour, odour, and taste had dramatically altered.
- Point 1 is correct: As a result, the water quality of these lakes was adversely affected. The increased dissolved organic material can interact with drinking water treatment processes to produce chlorination byproducts called trihalomethanes, which may be carcinogenic.”
Points 2 and 3 are correct: Besides, the colour change also meant that less sunlight was able to penetrate the lakes, which, in turn, impacted the phytoplankton living in the water. Phytoplankton consume carbon dioxide on a scale equivalent to forests and other land plants through photosynthesis. However, reduced light in the lakes hindered this process, reducing the absorption of carbon dioxide. Meanwhile, the breakdown of organic matter by other organisms in the lakes increased.
-
Question 4 of 5
4. Question
1 pointsConsider the following statements:
- Increased salt consumption may provoke water retention in human body
- Excessive salt consumption can cause an increase in Blood Pressure.
- The World Health Organisation has recommended reducing sodium intake to less than 2 g/day.
How many of the above statements are correct?
Correct
Answer: C
Explanation:
- Statement 1 and 2 are correct: Increased salt consumption may provoke water retention, thus leading to a condition of high flow in arterial vessels. The mechanism of pressure natriuresis has been proposed as a physiologic phenomenon where an increase in BP in the renal arteries causes increased salt and water excretion. Salt forces the body to retain water, so eating too much salt means more water in the blood vessels, raising blood pressure. Reducing salt consumption, therefore, reduces the load on the system, by significantly decreasing the volume in the blood, thus impacting directly, positively on blood pressure. This will naturally have an ameliorative effect on cardiovascular health and prevent strokes.
Statement 3 is correct: The World Health Organization (WHO) released a set of guidelines recommending use of lower-sodium salt substitutes. While the international body had already strongly recommended reducing sodium intake to less than 2 g/day, it has proposed a set of guidelines to replace regular table salt with lower-sodium salt substitutes that contain potassium.
Incorrect
Answer: C
Explanation:
- Statement 1 and 2 are correct: Increased salt consumption may provoke water retention, thus leading to a condition of high flow in arterial vessels. The mechanism of pressure natriuresis has been proposed as a physiologic phenomenon where an increase in BP in the renal arteries causes increased salt and water excretion. Salt forces the body to retain water, so eating too much salt means more water in the blood vessels, raising blood pressure. Reducing salt consumption, therefore, reduces the load on the system, by significantly decreasing the volume in the blood, thus impacting directly, positively on blood pressure. This will naturally have an ameliorative effect on cardiovascular health and prevent strokes.
Statement 3 is correct: The World Health Organization (WHO) released a set of guidelines recommending use of lower-sodium salt substitutes. While the international body had already strongly recommended reducing sodium intake to less than 2 g/day, it has proposed a set of guidelines to replace regular table salt with lower-sodium salt substitutes that contain potassium.
-
Question 5 of 5
5. Question
1 pointsThe Renke Commission (2008) and the Idate Commission (2017), recently seen in the news, are related to:
Correct
Answer: B
Explanation:
- Option B is correct: Ever since the Criminal Tribes Act of 1924 was repealed in August 1949, after which communities notified as “criminal” had been denotified, successive commissions have tried to classify these communities, starting with the First Backward Classes Commission headed by Kaka Kalelkar.
- Since then, the Lokur Committee (1965), the Mandal Commission (1980), the Renke Commission (2008), and the Idate Commission (2017) have tried to classify such tribes across the country. However, they have fallen short of being able to identify all such communities.
The last Commission tasked with this was the one headed by Bhiku Ramji Idate, which submitted its report in December 2017. In this report, it had listed a total of over 1,200 denotified, semi-nomadic, and nomadic tribes across the country, apart from which, it said there were 267 communities that had never been classified. The Idate Commission’s report had noted that previous commissions had never been able to classify these communities, recommending strongly that the classification work be completed as soon as possible
Incorrect
Answer: B
Explanation:
- Option B is correct: Ever since the Criminal Tribes Act of 1924 was repealed in August 1949, after which communities notified as “criminal” had been denotified, successive commissions have tried to classify these communities, starting with the First Backward Classes Commission headed by Kaka Kalelkar.
- Since then, the Lokur Committee (1965), the Mandal Commission (1980), the Renke Commission (2008), and the Idate Commission (2017) have tried to classify such tribes across the country. However, they have fallen short of being able to identify all such communities.
The last Commission tasked with this was the one headed by Bhiku Ramji Idate, which submitted its report in December 2017. In this report, it had listed a total of over 1,200 denotified, semi-nomadic, and nomadic tribes across the country, apart from which, it said there were 267 communities that had never been classified. The Idate Commission’s report had noted that previous commissions had never been able to classify these communities, recommending strongly that the classification work be completed as soon as possible
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