Latest MCQs on Universe for Competitive Exams

241. Which planet is known for its “Great Red Spot” storm?
A) Jupiter
B) Saturn
C) Uranus
D) Neptune
Correct Answer: A) Jupiter
Explanation: Jupiter’s Great Red Spot is a massive storm system.

242. What is the name of the first spacecraft to land on Titan, Saturn’s largest moon?
A) Huygens
B) Cassini
C) Galileo
D) Voyager 1
Correct Answer: A) Huygens
Explanation: The Huygens probe landed on Titan in 2005.

243. Which planet has the most extreme seasons due to its axial tilt?
A) Uranus
B) Neptune
C) Saturn
D) Mars
Correct Answer: A) Uranus
Explanation: Uranus’s tilt causes extreme seasonal changes.

244. What is the name of the first spacecraft to orbit Pluto?
A) New Horizons
B) Voyager 2
C) Pioneer 10
D) None
Correct Answer: D) None
Explanation: No spacecraft has orbited Pluto; New Horizons performed a flyby.

245. Which planet is known for its “diamond rain” phenomenon?
A) Neptune
B) Uranus
C) Jupiter
D) Saturn
Correct Answer: B) Uranus
Explanation: Uranus is believed to have diamond rain deep in its atmosphere.

246. What is the name of the first spacecraft to orbit the Sun?
A) Luna 1
B) Helios 1
C) Parker Solar Probe
D) Ulysses
Correct Answer: A) Luna 1
Explanation: Luna 1 was the first spacecraft to orbit the Sun.

247. Which planet has the highest albedo (reflectivity) in the solar system?
A) Venus
B) Earth
C) Jupiter
D) Saturn
Correct Answer: A) Venus
Explanation: Venus reflects about 70% of the sunlight that hits it due to its thick cloud cover.

248. What is the name of the first spacecraft to land on a comet?
A) Philae
B) Hayabusa
C) Stardust
D) Deep Impact
Correct Answer: A) Philae
Explanation: Philae landed on comet 67P/Churyumov–Gerasimenko in 2014.

249. Which planet has the largest core relative to its size?
A) Mercury
B) Earth
C) Mars
D) Venus
Correct Answer: A) Mercury
Explanation: Mercury’s core makes up a large portion of its volume.

250. What is the name of the first spacecraft to orbit Saturn?
A) Cassini
B) Voyager 2
C) Galileo
D) Pioneer 11
Correct Answer: A) Cassini
Explanation: Cassini orbited Saturn from 2004 to 2017.