1. Which of the following are related to the European Organization for Nuclear Research (CERN)?
- The Higgs boson
- The Large Hadron Collider
- The birth of the web
- Antimatter
- Compact Muon Solenoid
Select the correct option from the codes given below:
[A] Only 1 & 2
[B] Only 1, 2 & 3
[C] Only 1, 2, 4 & 5
[D] 1, 2, 3, 4 & 5
Show Answer
Correct Answer: D [1, 2, 3, 4 & 5]
Notes:
CERN is a major nuclear and particle physics laboratory. Its notable achievements include discovery of the Higgs boson, development of the Large Hadron Collider, invention of the World Wide Web, antimatter research, and the Compact Muon Solenoid detector. All five provided statements are directly related to CERN’s research or infrastructure.
2. With respect to the Gaia astronomical mission, consider the following statements:
- It was launched by Chinese National Space Administration.
- Its objective is to create 3D map of the Milky Way.
- It has revealed the phenomena of ‘starquakes’.
Which of the statements given above is/are correct?
[A] Only 1
[B] Only 1 & 3
[C] Only 2 & 3
[D] 1, 2 & 3
Show Answer
Correct Answer: C [Only 2 & 3]
Notes:- Gaia is an ongoing astronomical observatory mission launched in December 2013 by the European Space Agency (ESA).
- Its objective is to create the most accurate and complete 3D map of the Milky Way by surveying 1% or one billion of the galaxy’s 100 billion stars.
- The spacecraft is strategically stationed 1.5 million km from the Earth, in the opposite direction of the sun, in an orbit around the gravitational parking point in space called the Lagrange 2 or L2.
- It has revealed the surprise phenomena of ‘starquakes’—massive tsunami-like movements on the surface of stars
- It also made discoveries about binary star systems, quasars, asteroids, and exoplanets.
3. With reference to aircraft carriers globally, consider the following pairs:
- United States of America – Nimitz class
- Russia – Admiral Kuznetsov
- India – INS Vikramaditya
- France – Charles De Gaulle
How many pairs given above are correctly matched?
[A] All four pairs
[B] Only three pairs
[C] Only two pairs
[D] Only one pair
Show Answer
Correct Answer: A [All four pairs]
Notes:
All four pairs are correct: the US operates Nimitz class aircraft carriers, Russia operates Admiral Kuznetsov, India operates INS Vikramaditya, and France operates Charles De Gaulle. These aircraft carriers are principal warships in their respective navies, correctly matched to their countries in this context.
![Daily UPSC Prelims Current Affairs – May 14, 2022 [Mock Test]](https://i0.wp.com/www.gktoday.in/wp-content/uploads/2022/04/prelims-cover.png?resize=75%2C42&ssl=1)
![Daily UPSC Prelims Current Affairs – September 03, 2022 [Mock Test]](https://i0.wp.com/www.gktoday.in/wp-content/uploads/2022/09/unnamed.png?resize=75%2C42&ssl=1)