1. With reference to the Indo-Pacific Economic Framework (IPEF) recently launched by the US, which of the following are among its pillars?
- Supply-chain resilience
- Clean energy, decarbonisation & infrastructure
- Taxation & anti-corruption
- Fair & resilient trade
Select the correct answer using the codes given below:
[A] Only 1, 2 & 3
[B] Only 2, 3 & 4
[C] Only 1, 3 & 4
[D] 1, 2, 3 & 4
Show Answer
Correct Answer: D [1, 2, 3 & 4]
Notes:
The Indo-Pacific Economic Framework (IPEF), launched by the US, consists of four pillars: supply-chain resilience, clean energy, decarbonisation & infrastructure, taxation & anti-corruption, and fair & resilient trade. All listed components are correct as per the official framework announced during the summit.
2. Respiratory Syncytial Virus (RSV) is associated with which of the following health conditions?
- Bronchitis
- Otitis media
- Pneumonia
Select the correct answer using the codes given below:
[A] Only 1 & 2
[B] Only 2 & 3
[C] Only 1 & 3
[D] 1, 2 & 3
Show Answer
Correct Answer: C [Only 1 & 3]
Notes:
Respiratory Syncytial Virus (RSV) commonly causes bronchitis and pneumonia, particularly in young children and infants. While otitis media can occur following upper respiratory infections, RSV is not a direct cause of otitis media. Therefore, options 1 (bronchitis) and 3 (pneumonia) are correct, but not 2 (otitis media).
3. Consider the following statements:
- The mantle is made up of 45% oxygen, 21% silicon, and 23% magnesium.
- Density of outer core is less than the mantle.
- Earth’s inner core rotates slightly faster relative to the rotation of the surface.
Which of the statements given above is/are correct?
[A] Only 1 and 3
[B] Only 2 and 3
[C] Only 1 and 2
[D] 1, 2 and 3
Show Answer
Correct Answer: A [Only 1 and 3]
Notes:
The mantle mainly comprises 45% oxygen, 21% silicon, and 23% magnesium. The density of the outer core (9–12.2 g/cm³) is greater than that of the mantle (2.9–5.7 g/cm³), making statement 2 incorrect. The inner core is known to rotate slightly faster than Earth’s surface, thus statements 1 and 3 are correct.
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