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Pankaj Gupta
  • 2
Poll
Pankaj GuptaScholar
Asked: 1 year agoIn: , , ,
  • 2

With reference to the role of biofilters in Recirculating Aquaculture System, consider the following statements:                                                    ...Read more

With reference to the role of biofilters in Recirculating Aquaculture System, consider the following statements:                                                                                                                                                [2023]
1. Biofilters provide waste treatment by removing uneaten fish feed.
2.  Biofilters convert ammonia present in fish waste to nitrate.
3.  Biofilters increase phosphorus as nutrient for fish in water.

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aquaculture systembiofiltersupsc pre 2023
  1. Pankaj Gupta
    Pankaj Gupta Scholar

    Biofilters play a crucial role in Recirculating Aquaculture Systems by eliminating nitrogenous waste produced by aquatic organisms. They utilize nitrifying bacteria to transform toxic ammonia into nitrites, which are also harmful. Subsequently, other bacteria further convert these nitrites into harmRead more

    Biofilters play a crucial role in Recirculating Aquaculture Systems by eliminating nitrogenous waste produced by aquatic organisms. They utilize nitrifying bacteria to transform toxic ammonia into nitrites, which are also harmful. Subsequently, other bacteria further convert these nitrites into harmless nitrates, ensuring water quality. Importantly, biofilters are engineered to remove pollutants rather than introduce nutrients into the system, making statement 3 inaccurate.

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Pankaj Gupta
  • 5
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Pankaj GuptaScholar
Asked: 2 years agoIn: , , ,
  • 5

Which one of the following explains the practice of ‘Vattakirutal’ as mentioned in Sangam poems?                                                    ...Read more

Which one of the following explains the practice of ‘Vattakirutal’ as mentioned in Sangam poems?                                                                                                                                                                             [2023]

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culturehistoryliteraturesocietyupsc pre 2023vattakirutal
  1. AVG
    AVG Explorer

    Vattakirutal was a ritual in which a defeated king would take his own life through self-imposed starvation, often alongside his close companions. Sangam literature records an instance of a Chera king engaging in this solemn practice.

    Vattakirutal was a ritual in which a defeated king would take his own life through self-imposed starvation, often alongside his close companions. Sangam literature records an instance of a Chera king engaging in this solemn practice.

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Pankaj Gupta
  • 6
Poll
Pankaj GuptaScholar
Asked: 2 years agoIn: ,
  • 6

Which one of the following is the best example of repeated falls in sea level, giving rise to present-day extensive marshland?                                        ...Read more

Which one of the following is the best example of repeated falls in sea level, giving rise to present-day extensive marshland?                                                                                                                           [2023]

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geographymarshlandspollquestionupsc pre 2023
  1. Pankaj Gupta
    Pankaj Gupta Scholar
    This answer was edited.

    The best example of repeated falls in sea level, giving rise to present-day extensive marshland, is: Rann of Kutch. The Rann of Kutch in Gujarat, India, is a vast salt marshland that was formed due to the geological processes involving tectonic activity and fluctuations in sea level over time. TheseRead more

    The best example of repeated falls in sea level, giving rise to present-day extensive marshland, is: Rann of Kutch. The Rann of Kutch in Gujarat, India, is a vast salt marshland that was formed due to the geological processes involving tectonic activity and fluctuations in sea level over time. These repeated sea level changes have contributed to the unique landscape of salt flats and marshes in the region.

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Pankaj Gupta
  • 0
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Pankaj GuptaScholar
Asked: 1 year agoIn: ,
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Which one of the following options is correct in respect of the given statements?                           [2023]Statement–I: The soil in tropical rain forests is rich in nutrients.Statement-II: The high ...Read more

Which one of the following options is correct in respect of the given statements?                           [2023]
Statement–I: The soil in tropical rain forests is rich in nutrients.
Statement-II: The high temperature and moisture of tropical rain forests cause dead organic matter in the soil to decompose quickly.

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soilupsc pre 2023
  1. Pankaj Gupta
    Pankaj Gupta Scholar

    Correct Answer: Statement-I is incorrect but Statement-II is correct Explanation: Statement-I: "The soil in tropical rain forests is rich in nutrients." Incorrect. The soil in tropical rainforests is typically poor in nutrients. This is because heavy rainfall causes leaching, washing away nutrientsRead more

    Correct Answer: Statement-I is incorrect but Statement-II is correct

    Explanation:

    1. Statement-I: “The soil in tropical rain forests is rich in nutrients.”
      Incorrect.
      The soil in tropical rainforests is typically poor in nutrients. This is because heavy rainfall causes leaching, washing away nutrients from the topsoil. Most of the nutrients in tropical rainforests are found in the biomass (plants and trees) rather than in the soil.
    2. Statement-II: “The high temperature and moisture of tropical rain forests cause dead organic matter in the soil to decompose quickly.”
      Correct.
      Tropical rainforests experience warm and humid conditions, which accelerate the decomposition of organic matter. This rapid decomposition ensures that nutrients are quickly absorbed by plants, leaving little in the soil.

    Conclusion:

    The soil in tropical rainforests is nutrient-poor, despite the rapid decomposition of organic matter due to the high temperature and moisture.
    Thus, Statement-I is incorrect, but Statement-II is correct.

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Pankaj Gupta
  • 4
Poll
Pankaj GuptaScholar
Asked: 2 years agoIn: ,
  • 4

Consider the following statements:                                                                          ...Read more

Consider the following statements:                                                                                                       [2023]
Statement-I: In the post-pandemic recent past, many Central Banks worldwide, had carried out interest rate hikes.
Statement-II: Central Banks generally assume that they have the ability to counteract the rising consumer prices via monetary policy means.

 

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economicspollquestionupsc pre 2023
  1. Pankaj Gupta
    Pankaj Gupta Scholar
    This answer was edited.

    In the recent post-pandemic period, central banks worldwide have raised interest rates to combat inflation, which surged due to heightened fiscal spending during COVID-19 and supply chain issues stemming from the Russia-Ukraine conflict. Therefore, Statement 1 is accurate. The central banks' decisioRead more

    In the recent post-pandemic period, central banks worldwide have raised interest rates to combat inflation, which surged due to heightened fiscal spending during COVID-19 and supply chain issues stemming from the Russia-Ukraine conflict. Therefore, Statement 1 is accurate.

    The central banks’ decision to increase interest rates aims to raise borrowing costs, leading to a reduction in money supply and, consequently, a decrease in inflation rates. Thus, Statement 2 is also valid.

    The rise in interest rates in advanced economies, particularly in the U.S., has negatively impacted the Indian economy, resulting in increased net Foreign Portfolio Investment (FPI) outflows, significant depreciation of the Rupee, declines in foreign exchange reserves, and rising yield rates. This negative impact on the Indian economy is commonly referred to as “Taper Tantrums.” Consequently, this question was posed within this context.

    Therefore, the correct answer is Both Statement-I and Statement-II are correct and Statement-II is the correct explanation for Statement-I.

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Pankaj Gupta
  • 6
Poll
Pankaj GuptaScholar
Asked: 2 years agoIn: , ,
  • 6

Which of the following organisms perform waggle dance for others of their kin to indicate the direction and the distance to a source of their food?                              ...Read more

Which of the following organisms perform waggle dance for others of their kin to indicate the direction and the distance to a source of their food?                                                                    [2023]

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environmentpollquestionupsc pre 2023zoology
  1. Pankaj Gupta
    Pankaj Gupta Scholar
    This answer was edited.

    The correct answer is: Honey Bees. Honey bees perform the "waggle dance" to communicate the direction and distance of a food source to other members of their hive. The dance involves a series of movements, including waggling their bodies and making figure-eight patterns, to convey information aboutRead more

    The correct answer is: Honey Bees. Honey bees perform the “waggle dance” to communicate the direction and distance of a food source to other members of their hive. The dance involves a series of movements, including waggling their bodies and making figure-eight patterns, to convey information about the location of nectar, pollen, or water. This sophisticated form of communication is crucial for the foraging efficiency and survival of the colony. Neither butterflies, dragonflies, nor wasps use this method of communication.

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Pankaj Gupta
  • 6
Poll
Pankaj GuptaScholar
Asked: 2 years agoIn: ,
  • 6

Which one of the following activities of the Reserve Bank of India is considered to be part of ‘sterilization?                                            ...Read more

Which one of the following activities of the Reserve Bank of India is considered to be part of ‘sterilization?                                                                                                                                                    [2023]

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economicspollquestionreserve bank of indiaupsc pre 2023
  1. Pankaj Gupta
    Pankaj Gupta Scholar
    This answer was edited.

    Sterilization refers to actions taken by the central bank (in this case, the Reserve Bank of India) to manage the impact of foreign capital flows on the domestic money supply. Open Market Operations (OMOs) are one such tool where the central bank buys or sells government securities in the open markeRead more

    Sterilization refers to actions taken by the central bank (in this case, the Reserve Bank of India) to manage the impact of foreign capital flows on the domestic money supply. Open Market Operations (OMOs) are one such tool where the central bank buys or sells government securities in the open market to influence liquidity and control inflation or currency appreciation/depreciation. This process helps in managing the domestic monetary base without affecting other macroeconomic variables. Therefore, the correct answer is Conducting ‘Open Market Operations’.

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Pankaj Gupta
  • 6
Poll
Pankaj GuptaScholar
Asked: 2 years agoIn: , ,
  • 6

Consider the following statements:                                                                          ...Read more

Consider the following statements:                                                                                                        [2023]
1. Some mushrooms have medicinal properties.
2. Some mushrooms have psychoactive properties
3. Some mushrooms have insecticidal properties
4. Some mushrooms have bioluminescent properties.

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botanymushroomspollquestionupsc pre 2023
  1. Pankaj Gupta
    Pankaj Gupta Scholar
    This answer was edited.

    Let's analyze each statement to determine its correctness: Some mushrooms have medicinal properties: This is true. Certain mushrooms, such as Reishi and Shiitake, are known for their medicinal benefits, including immune-boosting and anti-inflammatory properties. Some mushrooms have psychoactive propRead more

    Let’s analyze each statement to determine its correctness:

    1. Some mushrooms have medicinal properties: This is true. Certain mushrooms, such as Reishi and Shiitake, are known for their medicinal benefits, including immune-boosting and anti-inflammatory properties.
    2. Some mushrooms have psychoactive properties: This is also true. Psilocybin mushrooms, often called “magic mushrooms,” contain psychoactive compounds that can alter perception and mood.
    3. Some mushrooms have insecticidal properties: True. Some fungi, like Beauveria bassiana, produce compounds that act as natural insecticides, infecting and killing various insect species.
    4. Some mushrooms have bioluminescent properties: True as well. Certain mushrooms, such as Panellus stipticus and Mycena chlorophos, exhibit bioluminescence and emit a glowing light.

    All four statements are correct. Therefore, the correct answer is: All four

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Pankaj Gupta
  • 3
Poll
Pankaj GuptaScholar
Asked: 2 years agoIn: , , ,
  • 3

With reference to ancient India, consider the following statements:                                                [2023] 1. The concept of Stupa is Buddhist ...Read more

With reference to ancient India, consider the following statements:                                                [2023]

1. The concept of Stupa is Buddhist in origin.
2. Stupa was, generally, a repository of relics.
3. Stupa was a votive and commemorative structure in Buddhist tradition.

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architecturebuddhismhistorypollquestionstupasupsc pre 2023
  1. Pankaj Gupta
    Pankaj Gupta Scholar

    Let's review the statements: The concept of Stupa is Buddhist in origin – This statement is incorrect. The tradition of building funerary mounds existed before Buddhism, though stupas became closely associated with Buddhist architecture and practices. Stupa was, generally, a repository of relics – TRead more

    Let’s review the statements:

    1. The concept of Stupa is Buddhist in origin – This statement is incorrect. The tradition of building funerary mounds existed before Buddhism, though stupas became closely associated with Buddhist architecture and practices.
    2. Stupa was, generally, a repository of relics – This statement is correct. Stupas were often built to house relics, especially in the Buddhist tradition, where they served as reliquaries for the Buddha’s remains and other sacred objects.
    3. Stupa was a votive and commemorative structure in Buddhist tradition – This statement is correct. In Buddhism, stupas were constructed as votive and commemorative structures, serving as places for worship and honoring significant events or individuals.

    Corrected Answer:

    Only two statements are correct.

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Pankaj Gupta
  • 0
Poll
Pankaj GuptaScholar
Asked: 1 year agoIn:
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How many of the given statements regarding mercury pollution is/are correct?                           [2023]1. Gold mining activity is a source of mercury pollution in the world.2. Coal-based thermal ...Read more

How many of the given statements regarding mercury pollution is/are correct?                           [2023]
1. Gold mining activity is a source of mercury pollution in the world.
2. Coal-based thermal power plants cause mercury pollution.
3. There is no known safe level of exposure to mercury.

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environmentmercury pollutionupsc pre 2023
  1. Pankaj Gupta
    Pankaj Gupta Scholar

    Correct Answer: All three Explanation: Gold mining activity is a source of mercury pollution in the world: Correct. Artisanal and small-scale gold mining (ASGM) is one of the largest global sources of mercury emissions. Mercury is used in the extraction process to amalgamate gold, releasing significRead more

    Correct Answer: All three

    Explanation:

    1. Gold mining activity is a source of mercury pollution in the world:
      Correct. Artisanal and small-scale gold mining (ASGM) is one of the largest global sources of mercury emissions. Mercury is used in the extraction process to amalgamate gold, releasing significant amounts of mercury into the environment.
    2. Coal-based thermal power plants cause mercury pollution:
      Correct. Coal contains trace amounts of mercury. When coal is burned in thermal power plants, mercury is released into the atmosphere as a pollutant.
    3. There is no known safe level of exposure to mercury:
      Correct. Mercury is highly toxic, and even low levels of exposure can lead to serious health effects. The World Health Organization (WHO) states that there is no safe threshold for mercury exposure, particularly for vulnerable groups such as pregnant women and children.

    Hence, all three statements are correct.

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