General Science/Everyday Science MCQs
Topic Notes: General Science/Everyday Science
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
21
The 'Messenger' spacecraft was the first to orbit which planet?
Answer:
Mercury
MESSENGER (Mercury Surface, Space Environment, Geochemistry, and Ranging) was a NASA robotic spacecraft that orbited the planet Mercury between 2011 and 2015, providing the first complete map of the planet.
22
Which mission was the first to fly by Jupiter and Saturn?
Answer:
Pioneer 11
Pioneer 11 was the first spacecraft to fly by Saturn and the second to fly by Jupiter (after Pioneer 10), paving the way for the more advanced Voyager missions.
23
What is the purpose of 'Starlink' satellites?
Answer:
Providing global high-speed internet access
Starlink is a satellite internet constellation operated by SpaceX, providing satellite Internet access coverage to over 60 countries. It aims for global coverage through thousands of small satellites in low Earth orbit.
24
The 'Skylab' space station belonged to which country?
Answer:
United States
Skylab was the first United States space station, launched by NASA and occupied by three separate crews between 1973 and 1974.
25
Which mission was the first to land on Mars and send back photos of the surface?
Answer:
Viking 1
While Mars 3 landed first but failed almost immediately, Viking 1 was the first mission to successfully land on Mars and perform its mission, providing the first high-resolution images of the surface in 1976.
26
The first satellite launched by the United States was
Answer:
Explorer 1
Explorer 1 was the first satellite launched by the U.S. in 1958. It is famous for discovering the Van Allen radiation belts surrounding Earth.
27
What is the primary mission of the Kepler Space Telescope?
Answer:
Searching for Earth-size planets orbiting other stars
The Kepler mission was designed to survey a portion of our region of the Milky Way to discover Earth-size exoplanets in or near habitable zones and estimate how many of the billions of stars in our galaxy have such planets.
28
The 'Voyager Gold Record' contains which of the following?
Answer:
Sounds and images representing life on Earth
Attached to both Voyager 1 and 2, the Golden Record is a phonograph record containing sounds and images selected to portray the diversity of life and culture on Earth for any intelligent extraterrestrial life form.
29
Which company launched the first private spacecraft to dock with the ISS?
Answer:
SpaceX
SpaceX became the first private company to successfully launch, orbit, and recover a spacecraft (Dragon) and the first to dock a private craft with the International Space Station in 2012.
30
What was the name of the first space station launched into orbit?
Answer:
Salyut 1
Salyut 1 was the world's first space station, launched by the Soviet Union on April 19, 1971. It paved the way for future orbital habitats like Skylab and Mir.