Current Affairs Quiz 26 April 2025
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Current Affairs Quiz 26 April 2025 For UPSC Exam
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- Question 1 of 5
1. Question
Consider the following statements regarding the National Commission for Scheduled Castes (NCSC):
1. It is a constitutional body established under Article 338 of the Constitution.
2. It is required to present annual reports to the Parliament.
Which of the above statements is/are correct?CorrectAnswer: (a) 1 only
Explanation:
• NCSC is a constitutional body under Article 338.
• It submits annual or special reports to the President, who places them before Parliament along with the action taken report.IncorrectAnswer: (a) 1 only
Explanation:
• NCSC is a constitutional body under Article 338.
• It submits annual or special reports to the President, who places them before Parliament along with the action taken report. - Question 2 of 5
2. Question
Which of the following missions initiated under Dr. Kasturirangan are correctly matched with their objectives?
1. National Education Policy 2020 – Revamp school and higher education.
2. National Remote Sensing Agency – Develop India’s space-based observation systems.
3. Indian Human Spaceflight Programme – Develop indigenous crewed space missions.
4. Mangalayaan Mission – India’s Mars exploration.
Choose the correct code:CorrectAnswer: (B) 1, 2 and 3 only
Explanation:
• National Education Policy 2020 was indeed a major initiative led by Dr. Kasturirangan to revamp education in India.
• National Remote Sensing Agency was part of India’s broader goal to develop space-based observation systems, which was also influenced by Dr. Kasturirangan’s leadership at ISRO.
• Indian Human Spaceflight Programme aimed at developing indigenous crewed space missions, which is accurate during his tenure.
However, Mangalayaan Mission (Mars Orbiter Mission) was initiated under the leadership of Dr. Kasturirangan’s successor, Dr. K. Radhakrishnan, and not directly under his tenure. Therefore, Option (B) is the correct answer.IncorrectAnswer: (B) 1, 2 and 3 only
Explanation:
• National Education Policy 2020 was indeed a major initiative led by Dr. Kasturirangan to revamp education in India.
• National Remote Sensing Agency was part of India’s broader goal to develop space-based observation systems, which was also influenced by Dr. Kasturirangan’s leadership at ISRO.
• Indian Human Spaceflight Programme aimed at developing indigenous crewed space missions, which is accurate during his tenure.
However, Mangalayaan Mission (Mars Orbiter Mission) was initiated under the leadership of Dr. Kasturirangan’s successor, Dr. K. Radhakrishnan, and not directly under his tenure. Therefore, Option (B) is the correct answer. - Question 3 of 5
3. Question
Consider the following statements about temperature flips:
1. Temperature flips refer to gradual long-term warming or cooling trends.
2. They have been most frequently observed in the tropics and polar regions.
3. Their frequency and intensity are both projected to increase in the future.
Which of the statements given above is/are correct?CorrectAnswer: (B) 3 only
Explanation:
• Statement 1 is incorrect: Temperature flips refer to sudden changes in temperature extremes, not gradual trends.
• Statement 2 is incorrect: Mid-latitudes experience more temperature flips than the tropics or polar regions.
• Statement 3 is correct: Both the frequency (~7–8%) and intensity (~7.2%) of temperature flips are projected to increase due to climate change.IncorrectAnswer: (B) 3 only
Explanation:
• Statement 1 is incorrect: Temperature flips refer to sudden changes in temperature extremes, not gradual trends.
• Statement 2 is incorrect: Mid-latitudes experience more temperature flips than the tropics or polar regions.
• Statement 3 is correct: Both the frequency (~7–8%) and intensity (~7.2%) of temperature flips are projected to increase due to climate change. - Question 4 of 5
4. Question
Assertion (A): Hypersonic weapons require advanced thermal management systems.
Reason (R): At hypersonic speeds, air friction produces extreme heat that can damage engine components.
Options:CorrectAnswer: (a) Both A and R are true and R is the correct explanation of A.
Explanation:
• Hypersonic speeds (greater than Mach 5) create intense heat due to air friction, which can damage the airframe and engines. Therefore, thermal shielding and advanced cooling systems are critical for hypersonic weapons.IncorrectAnswer: (a) Both A and R are true and R is the correct explanation of A.
Explanation:
• Hypersonic speeds (greater than Mach 5) create intense heat due to air friction, which can damage the airframe and engines. Therefore, thermal shielding and advanced cooling systems are critical for hypersonic weapons. - Question 5 of 5
5. Question
Which of the following features make the Rafale-M suitable for India’s naval operations?
1. Arrestor hook landing capability
2. AESA radar and Spectra EW suite
3. Compatibility with ski-jump launch systems
4. M88 engine with high thrust-to-weight ratio
Select the correct answer using the code below:CorrectAnswer: (d) 1, 2, 3 and 4
Explanation:
• Arrestor hook: Essential for carrier landings.
• AESA radar and Spectra EW: Enhances detection and survivability.
• Ski-jump compatibility: Tested for use with INS Vikrant and INS Vikramaditya.
• M88 engine: Offers high performance for naval conditions.IncorrectAnswer: (d) 1, 2, 3 and 4
Explanation:
• Arrestor hook: Essential for carrier landings.
• AESA radar and Spectra EW: Enhances detection and survivability.
• Ski-jump compatibility: Tested for use with INS Vikrant and INS Vikramaditya.
• M88 engine: Offers high performance for naval conditions.
