1. Consider the following statements:
- The Jiribam-Imphal railway line is India’s tallest pier rail bridge, located in Tamenglong district over the Barak River.
- Ejei is a tributary of the Irang River, which eventually merges with the Barak River in Manipur.
Which of the statements given above is/are correct?
[A] Only 2
[B] Only 1
[C] Both 1 and 2
[D] Neither 1 nor 2
Show Answer
Correct Answer: A [Only 2]
Notes:
Statement 1 is incorrect because the Jiribam-Imphal railway line crosses the Barak River and has India’s tallest pier rail bridge in Tamenglong district, but not over the Brahmaputra. Statement 2 is correct: Ejei (also Ijei/Ijai) is a major tributary of the Irang, which subsequently joins the Barak River. Thus, only statement 2 is correct.
2. Recently tested Autonomous Flying Wing Technology Demonstrator refers to which of the following?
[A] Change the motion of an asteroid in space
[B] Unmanned aerial vehicle
[C] Aircraft carrier
[D] None of the above
Show Answer
Correct Answer: B [Unmanned aerial vehicle]
Notes:- Recently, Defence Research and Development Organization (DRDO) has carried out the maiden test flight of a new unmanned Aerial Vehicle, an Autonomous Flying Wing Technology Demonstrator.
- It is a precursor to an autonomous stealthy UCAV which is being developed by the DRDO’s Aeronautical Development Establishment (ADE), primarily for the Indian Air Force.
- The UCAV will be capable of launching missiles and precision-guided munitions.
- The vehicle is powered by a small turbofan engine.
- UAVs presently being used: Ghatak (India), Reaper (USA), Predator (USA).
3. With reference to the Higgs Boson, consider the following statements:
- It is also popularly referred as “the God Particle”.
- It has a short lifespan.
- It is positively charged.
- It is the only elementary particle with no spin.
Which of the statements given above are correct?
[A] Only 1, 2 & 3
[B] Only 2, 3 & 4
[C] Only 1, 2 & 4
[D] Only 1, 3 & 4
Show Answer
Correct Answer: C [Only 1, 2 & 4]
Notes:
Statement 1 is correct; the Higgs boson is known as “the God Particle”. Statement 2 is correct; it has an extremely short lifespan. Statement 3 is incorrect; the Higgs boson has no electric charge. Statement 4 is correct; it is the only elementary particle with no spin (spin 0). Thus, statements 1, 2, and 4 are correct.
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