Latest MCQs on Universe for Competitive Exams

161. What is the name of the first spacecraft to land on Mars and transmit data back to Earth?
A) Viking 1
B) Pathfinder
C) Curiosity
D) Opportunity
Correct Answer: A) Viking 1
Explanation: Viking 1 was the first to land and send data from Mars.

162. Which planet has the fastest winds in the solar system?
A) Neptune
B) Jupiter
C) Uranus
D) Saturn
Correct Answer: A) Neptune
Explanation: Neptune’s winds can reach speeds of over 2,000 km/h.

163. What is the name of the first spacecraft to orbit an asteroid?
A) NEAR Shoemaker
B) Hayabusa
C) OSIRIS-REx
D) Dawn
Correct Answer: A) NEAR Shoemaker
Explanation: NEAR Shoemaker orbited asteroid Eros in 2000.

164. 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.

165. 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.

166. 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.

167. 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.

168. 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.

169. 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.

170. 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.