Daily Quiz 7 February 2025
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Question 1 of 5
1. Question
1 pointsConsider the following statements with reference to the ‘Digital Tree Aadhar’ initiative:
1. It has been introduced by the Union Ministry of Environment, Forest and Climate Change of India.
2. It involves geo-tagging of all vulnerable tree species in the National Parks of India.
Which of the statements given above is/are correct?Correct
Answer: D
Explanation:
• Statements 1 and 2 are not correct: The J&K Forest Research Institute’s ‘Digital Tree Aadhar’ initiative provides a unique number for each chinar tree; metal cards featuring barcodes provide information, including the tree’s location, height, and health.
• This has been done on Chinar trees for conservation, at Nishat Garden in Srinagar. Chinars grow in Jammu’s Chenab Valley, and in the Pir Panjal Valley. They too will be covered under the digital initiative.
• The ‘majestic chinar’ or Platanus orientalis (oriental plane) grows to a height of 30 metres with a girth of 10 to 15 metres at the ground level. The tree features prominently in Kashmiri folklore, literature, politics, religious practices, and even romance.
• In the 16th century, Mughal rulers planted chinar trees in the fabled Naseem Bagh, Nishat Bagh, Shalimar garden and Harwan in Srinagar. Several Bollywood blockbusters have been filmed with chinar trees as the backdrop. The tree is revered by both Muslims and Hindus, with shrines and temples sheltering it. From the Hazratbal shrine to the Kheer Bhawani temple, chinar trees are an intrinsic part of the setting of these religious places. With ‘Digital Tree Aadhar’, majestic chinar trees can now safely stand taller and longer in Kashmir.Incorrect
Answer: D
Explanation:
• Statements 1 and 2 are not correct: The J&K Forest Research Institute’s ‘Digital Tree Aadhar’ initiative provides a unique number for each chinar tree; metal cards featuring barcodes provide information, including the tree’s location, height, and health.
• This has been done on Chinar trees for conservation, at Nishat Garden in Srinagar. Chinars grow in Jammu’s Chenab Valley, and in the Pir Panjal Valley. They too will be covered under the digital initiative.
• The ‘majestic chinar’ or Platanus orientalis (oriental plane) grows to a height of 30 metres with a girth of 10 to 15 metres at the ground level. The tree features prominently in Kashmiri folklore, literature, politics, religious practices, and even romance.
• In the 16th century, Mughal rulers planted chinar trees in the fabled Naseem Bagh, Nishat Bagh, Shalimar garden and Harwan in Srinagar. Several Bollywood blockbusters have been filmed with chinar trees as the backdrop. The tree is revered by both Muslims and Hindus, with shrines and temples sheltering it. From the Hazratbal shrine to the Kheer Bhawani temple, chinar trees are an intrinsic part of the setting of these religious places. With ‘Digital Tree Aadhar’, majestic chinar trees can now safely stand taller and longer in Kashmir. -
Question 2 of 5
2. Question
1 pointsConsider the following statements with reference to Rhodamine B:
- It is a natural dye extracted from certain parts of plants.
- Its application extends to scientific research due to its fluorescent properties.
- The Food and Drug Administration (FDA) has prohibited its use in food products, classifying it as unsafe for human consumption.
How many of the above statements are correct?
Correct
Answer: B
Explanation:
- Statement 1 is not correct: Rhodamine B is a synthetic dye, commonly utilised in industries such as textiles, paper, and leather.
- Statement 2 is correct: Its application extends to scientific research due to its fluorescent properties. It is known for its bright pink hue.
- Statement 3 is correct: Recognising its potential dangers, many countries have put in place strict regulations on use of Rhodamine B. In the United States, the Food and Drug Administration (FDA) has long prohibited its use in food products, classifying it as unsafe for human consumption. A recent ban issued by the FDA in January 2025 further reinforces these restrictions, prohibiting the use of Rhodamine B in any food-related applications due to increasing evidence of its carcinogenic properties. The FDA cited growing concerns over children’s exposure to high levels of the dye in candies, baked goods, and other processed foods, prompting an urgent call for manufacturers to reformulate their products. This ban stems from studies indicating its potential carcinogenicity and other health risks. Similarly, the European Union classifies Rhodamine B as a substance of very high concern, restricting its use in cosmetics and other consumer goods.
Studies have indicated that Rhodamine B can cause DNA damage, leading to mutations and potentially triggering cancerous growths. Animal research has demonstrated tumor development in organs like the liver and bladder following prolonged exposure to the dye.
Incorrect
Answer: B
Explanation:
- Statement 1 is not correct: Rhodamine B is a synthetic dye, commonly utilised in industries such as textiles, paper, and leather.
- Statement 2 is correct: Its application extends to scientific research due to its fluorescent properties. It is known for its bright pink hue.
- Statement 3 is correct: Recognising its potential dangers, many countries have put in place strict regulations on use of Rhodamine B. In the United States, the Food and Drug Administration (FDA) has long prohibited its use in food products, classifying it as unsafe for human consumption. A recent ban issued by the FDA in January 2025 further reinforces these restrictions, prohibiting the use of Rhodamine B in any food-related applications due to increasing evidence of its carcinogenic properties. The FDA cited growing concerns over children’s exposure to high levels of the dye in candies, baked goods, and other processed foods, prompting an urgent call for manufacturers to reformulate their products. This ban stems from studies indicating its potential carcinogenicity and other health risks. Similarly, the European Union classifies Rhodamine B as a substance of very high concern, restricting its use in cosmetics and other consumer goods.
Studies have indicated that Rhodamine B can cause DNA damage, leading to mutations and potentially triggering cancerous growths. Animal research has demonstrated tumor development in organs like the liver and bladder following prolonged exposure to the dye.
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Question 3 of 5
3. Question
1 pointsWith reference to the Ad-hoc judges in High Courts, consider the following statements:
- This position has been mentioned in the Constitution of India.
- They are appointed by the President of India with the previous consent of the Chief Justice of the Supreme Court of India.
- It can be held by any person who has held the office of a Judge of that Court or of any other High Court.
How many of the above statements are correct?
Correct
Answer: B
Explanation:
- Statement 1 is correct: Article 224A of the Constitution deals with the appointment of ad-hoc judges in high courts.
- Statement 2 is not correct and statement 3 is correct: The Chief Justice of a High Court for any State may at any time, with the previous consent of the President, request any person who has held the office of a Judge of that Court or of any other High Court to sit and act as a Judge of the High Court for that State.
Incorrect
Answer: B
Explanation:
- Statement 1 is correct: Article 224A of the Constitution deals with the appointment of ad-hoc judges in high courts.
- Statement 2 is not correct and statement 3 is correct: The Chief Justice of a High Court for any State may at any time, with the previous consent of the President, request any person who has held the office of a Judge of that Court or of any other High Court to sit and act as a Judge of the High Court for that State.
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Question 4 of 5
4. Question
1 pointsWhich one of the following best describes the role of INS Sarvekshak?
Correct
Answer: C
Explanation:
- Option C is correct: INS Sarvekshak is the Indian Navy’s hydrographic survey ship.
- INS Sarvekshak completed the final phase of the hydrographic survey of Mauritius covering an extensive area of over 25,000 sq. nautical miles.
Incorrect
Answer: C
Explanation:
- Option C is correct: INS Sarvekshak is the Indian Navy’s hydrographic survey ship.
- INS Sarvekshak completed the final phase of the hydrographic survey of Mauritius covering an extensive area of over 25,000 sq. nautical miles.
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Question 5 of 5
5. Question
1 pointsConsider the following statements with reference to ‘forever chemicals’:
- It refers to a group of more than 15,000 chemicals that don’t occur in nature.
- These include per- and polyfluoroalkyl substances (PFAS).
- These are characterized by strong carbon-fluorine bonds, which make them highly durable and resistant to degradation.
How many of the above statements are correct?
Correct
Answer: C
Explanation:
- Statement 1 is correct: The name ‘forever chemicals’ refers to a group of more than 15,000 chemicals that don’t occur in nature and are well-known for their water, heat, stain and oil-resistant properties.
- Statement 2 is correct: Known within the scientific community as per- and polyfluoroalkyl substances (PFAS), and first developed in the 1930s at U.S. chemical company 3M, they’ve been a key component of many consumer and industrial products since the 1950s.
- Statement 3 is correct: PFAS encompasses a diverse array of synthetic compounds characterized by strong carbon-fluorine bonds, which make them highly durable and resistant to degradation. Notable PFAS include PFOS (perfluorooctanesulfonic acid), PFOA (perfluorooctanoic acid) and PFBS (perfluorobutanesulfonic acid).
Incorrect
Answer: C
Explanation:
- Statement 1 is correct: The name ‘forever chemicals’ refers to a group of more than 15,000 chemicals that don’t occur in nature and are well-known for their water, heat, stain and oil-resistant properties.
- Statement 2 is correct: Known within the scientific community as per- and polyfluoroalkyl substances (PFAS), and first developed in the 1930s at U.S. chemical company 3M, they’ve been a key component of many consumer and industrial products since the 1950s.
- Statement 3 is correct: PFAS encompasses a diverse array of synthetic compounds characterized by strong carbon-fluorine bonds, which make them highly durable and resistant to degradation. Notable PFAS include PFOS (perfluorooctanesulfonic acid), PFOA (perfluorooctanoic acid) and PFBS (perfluorobutanesulfonic acid).
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