Daily Quiz 21 March 2025
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Question 1 of 5
1. Question
1 pointsWith reference to the World Air Quality Report, 2024, consider the following statements:
1. It is released by the World Meteorological Organisation.
2. 13 of the 20 most polluted cities in the world are in India.
3. Delhi continues to be the most polluted Capital city in the world.
How many of the above statements are correct?Correct
Answer: B
Explanation:● Statement 1 is not correct: The World Air Quality Report is released annually by IQAir, a Swiss air quality technology company.
● Statements 2 and 3 are correct: With an average PM 2.5 concentration of 91.8 μg/m3, Delhi continues to be the most polluted Capital city in the world, according to the 2024 World Air Quality Report. According to the report, 13 of the 20 most polluted cities in the world are in India, with Byrnihat on the Assam-Meghalaya border being the most polluted. The other cities include Faridabad, Loni (Ghaziabad), Gurgaon, Greater Noida, Bhiwadi, Noida, Muzaffarnagar, New Delhi (Central Delhi) and Delhi (taking the average from the rest of the city).
● India is the fifth most polluted country in the world, with an average Air Quality Index (AQI) of 50.6 μg/m3 – 10 times higher than the World Health Organization’s (WHO) annual PM2.5 guideline value of 5 μg/m3. In 2023, it was the third most polluted country.Incorrect
Answer: B
Explanation:● Statement 1 is not correct: The World Air Quality Report is released annually by IQAir, a Swiss air quality technology company.
● Statements 2 and 3 are correct: With an average PM 2.5 concentration of 91.8 μg/m3, Delhi continues to be the most polluted Capital city in the world, according to the 2024 World Air Quality Report. According to the report, 13 of the 20 most polluted cities in the world are in India, with Byrnihat on the Assam-Meghalaya border being the most polluted. The other cities include Faridabad, Loni (Ghaziabad), Gurgaon, Greater Noida, Bhiwadi, Noida, Muzaffarnagar, New Delhi (Central Delhi) and Delhi (taking the average from the rest of the city).
● India is the fifth most polluted country in the world, with an average Air Quality Index (AQI) of 50.6 μg/m3 – 10 times higher than the World Health Organization’s (WHO) annual PM2.5 guideline value of 5 μg/m3. In 2023, it was the third most polluted country. -
Question 2 of 5
2. Question
1 pointsConsider the following statements:
- Urea is made up of nitrogen, oxygen, and hydrogen.
- When urea forms hydrogen bonds with hydrogen peroxide, it forms percarbamide.
- Humans obtain nitrogen from food, convert it into urea, and excrete it through urine.
How many of the above statements are correct?
Correct
Answer: C
Explanation:
- Statement 1 is correct: Urea is made up of nitrogen, oxygen, and hydrogen, and is prone to forming hydrogen bonds with other molecules, including of urea itself. When these bonds form, the compound’s physical and chemical properties tend to change.
- Statement 2 is correct: When urea forms hydrogen bonds with hydrogen peroxide, it forms percarbamide, a white, crystalline solid that can be precipitated out from urine with high purity. Percabadmide is known for its ability to steadily release active oxygen.
Statement 3 is correct: Humans obtain nitrogen from food, convert it into urea, and excrete it through urine. Since urea is rich in nitrogen, it has the potential to be a natural fertiliser.
Incorrect
Answer: C
Explanation:
- Statement 1 is correct: Urea is made up of nitrogen, oxygen, and hydrogen, and is prone to forming hydrogen bonds with other molecules, including of urea itself. When these bonds form, the compound’s physical and chemical properties tend to change.
- Statement 2 is correct: When urea forms hydrogen bonds with hydrogen peroxide, it forms percarbamide, a white, crystalline solid that can be precipitated out from urine with high purity. Percabadmide is known for its ability to steadily release active oxygen.
Statement 3 is correct: Humans obtain nitrogen from food, convert it into urea, and excrete it through urine. Since urea is rich in nitrogen, it has the potential to be a natural fertiliser.
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Question 3 of 5
3. Question
1 pointsConsider the following statements with reference to Palm Oil.
- It is extracted exclusively from the seeds of the African oil palm tree.
- Crude palm oil is primarily used for cooking, while palm kernel oil is used for non-edible purposes.
Which of the statements given above is/are correct?
Correct
Answer: B
Explanation:
- Statement 1 is not correct: Palm oil is derived from the fruit of the African oil palm tree (Elaeis guineensis). There are two types of palm oil: crude palm oil or the extract from the fruit pulp, and palm kernel oil or the extract from its seed.
Statement 2 is correct: Crude palm oil is primarily used for cooking, while palm kernel oil is used for non-edible purposes because it remains semi-solid at room temperature. Both oils are colourless, odourless, and relatively tasteless which is why they are staple ingredients in kitchens and consumer goods.
Incorrect
Answer: B
Explanation:
- Statement 1 is not correct: Palm oil is derived from the fruit of the African oil palm tree (Elaeis guineensis). There are two types of palm oil: crude palm oil or the extract from the fruit pulp, and palm kernel oil or the extract from its seed.
Statement 2 is correct: Crude palm oil is primarily used for cooking, while palm kernel oil is used for non-edible purposes because it remains semi-solid at room temperature. Both oils are colourless, odourless, and relatively tasteless which is why they are staple ingredients in kitchens and consumer goods.
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Question 4 of 5
4. Question
1 pointsConsider the following statements:
- Mauritius got independence in the same year as India from the British.
- Diego Garcia is a coral atoll of the Chagos Archipelago.
Which of the statements given above is/are correct?
Correct
Answer: B
Explanation:
- Statement 1 is not correct: When Britain gave independence to Mauritius in 1968, it separated part of the Chagos archipelago into the “British Indian Ocean Territory” and gave the island of Diego Garcia on lease to the United States, which set up a major military base on the island. Over the last couple of decades, Mauritius had mounted a patient but powerful global campaign to reclaim its sovereignty over the Chagos archipelago.
Statement 2 is correct: Diego Garcia, coral atoll, largest and southernmost member of the Chagos Archipelago, in the central Indian Ocean, part of the British Indian Ocean Territory.
Incorrect
Answer: B
Explanation:
- Statement 1 is not correct: When Britain gave independence to Mauritius in 1968, it separated part of the Chagos archipelago into the “British Indian Ocean Territory” and gave the island of Diego Garcia on lease to the United States, which set up a major military base on the island. Over the last couple of decades, Mauritius had mounted a patient but powerful global campaign to reclaim its sovereignty over the Chagos archipelago.
Statement 2 is correct: Diego Garcia, coral atoll, largest and southernmost member of the Chagos Archipelago, in the central Indian Ocean, part of the British Indian Ocean Territory.
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Question 5 of 5
5. Question
1 pointsConsider the following statements with reference to Automatic Permanent Academic Account Registry (APAAR)’ unique Identity Cards (IDs):
- It is issued for all government, aided and private school children.
- It has been made mandatory for all schools by the Central Board of Secondary Education (CBSE).
Which of the statements given above is/are correct?
Correct
Answer: A
Explanation:
- Statement 1 is correct: The Department of School Education and Literacy (DSEL) has initiated the process of issuing 12 digit ‘Automatic Permanent Academic Account Registry (APAAR)’ unique Identity Cards (IDs) in the model of ‘Aadhaar’ for all government, aided and private school children.
Statement 2 is not correct: APAAR ID for school students voluntary, but parents, activists worry about growing mandates The APAAR ID ties into DigiLocker and the Academic Bank of Credits, which the government hopes to use to standardise students’ school transcripts in a uniform way as a “single source of truth”.
Incorrect
Answer: A
Explanation:
- Statement 1 is correct: The Department of School Education and Literacy (DSEL) has initiated the process of issuing 12 digit ‘Automatic Permanent Academic Account Registry (APAAR)’ unique Identity Cards (IDs) in the model of ‘Aadhaar’ for all government, aided and private school children.
Statement 2 is not correct: APAAR ID for school students voluntary, but parents, activists worry about growing mandates The APAAR ID ties into DigiLocker and the Academic Bank of Credits, which the government hopes to use to standardise students’ school transcripts in a uniform way as a “single source of truth”.
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