General Knowledge MCQs
Topic Notes: General Knowledge
MCQs and preparation resources for competitive exams, covering important concepts, past papers, and detailed explanations.
Plato
- Biography: Ancient Greek philosopher (427–347 BCE), student of Socrates and teacher of Aristotle, founder of the Academy in Athens.
- Important Ideas:
- Theory of Forms
- Philosopher-King
- Ideal State
1
The 'Seven Minutes of Terror' refers to the landing sequence of which Mars rover?
Answer:
Curiosity
NASA engineers coined this phrase to describe the complex entry, descent, and landing (EDL) sequence of the Curiosity rover using a sky crane.
2
Which US space station crashed back to Earth over Australia in 1979?
Answer:
Skylab
Skylab's orbit decayed faster than expected due to solar activity, and it disintegrated over the Indian Ocean and Western Australia in July 1979.
3
What is the escape velocity required to leave Earth's gravity?
Answer:
11.2 km/s
To break free from Earth's gravitational pull without further propulsion, an object must reach a speed of approximately 11.2 km/s (roughly 25,000 mph).
4
Which spacecraft was the first to land on an asteroid (Eros)?
Answer:
NEAR Shoemaker
NEAR Shoemaker became the first spacecraft to orbit and eventually land on an asteroid (433 Eros) in 2001.
5
The Gaia mission was launched by ESA primarily to:
Answer:
Map the stars of the Milky Way in 3D
Gaia is an ambitious mission to chart a three-dimensional map of our Galaxy, revealing the composition, formation, and evolution of the Milky Way.
6
What is the name of the main launch site used by the European Space Agency?
Answer:
Guiana Space Centre
ESA conducts its launches from the Guiana Space Centre in Kourou, French Guiana, which is ideal due to its proximity to the equator.
7
Which spacecraft carried the 'Genesis Rock' back from the Moon?
Answer:
Apollo 15
Astronauts David Scott and James Irwin found the Genesis Rock, an anorthosite believed to be part of the Moon's primordial crust, during Apollo 15.
8
What is the 'Great Red Spot' on Jupiter?
Answer:
A persistent high-pressure storm
The Great Red Spot is a giant anticyclonic storm in Jupiter's atmosphere that has been observed for hundreds of years.
9
Who holds the record for the most cumulative time spent in space by an American astronaut?
Answer:
Peggy Whitson
Peggy Whitson holds the US record for cumulative time in space, spending over 665 days in orbit across her missions.
10
What was the name of the command module for the Apollo 13 mission?
Answer:
Odyssey
The Command Module was named Odyssey, and the Lunar Module (which acted as the lifeboat) was named Aquarius.