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Universe MCQ Question and Answer | Geography MCQ Question

Universe MCQ Questions and answers with easy explanations. Geography section provides you all type of mcq questions on Universe with explanations. Universe MCQ is important for exams like IBPS, SCC, UPSC, NEET etc. Page-2 section-2

Each section contains 100 MCQs on Universe .
11
Triton is the Moon of which planet?
Discuss
Answer & Solution
Answer: Option A
Solution:
Triton (moon) Triton is the largest natural satellite of the planet Neptune, and the first Neptunian moon to be discovered. The discovery was made on October 10, 1846, by English astronomer William Lassell.
12
Pole Star is always seen at one point in the sky whereas other stars are not; this is because ________
Discuss
Answer & Solution
Answer: Option D
Solution:
Pole Star is always seen at one point in the sky whereas other stars are not; this is because Pole star lies in the axis of spin of the earth.
13
'The length of its day and the tilt of its axis are almost identical to those of the earth'. This is true of ________
Discuss
Answer & Solution
Answer: Option D
Solution:
Mars is the planet that is most similar to Earth in other ways. A Martian day is just over 24 hours, and its rotation axis is tilted by about the same amount as Earth's.
14
Which one of the following statements regarding Shooting Stars is incorrect ?
Discuss
Answer & Solution
Answer: Option D
Solution:
Shooting stars look like stars that quickly shoot across the sky, but they are not stars. A shooting star is really a small piece of rock or dust that hits Earth's atmosphere from space. It moves so fast that it heats up and glows as it moves through the atmosphere.
15
Which of the following planets do not have satellite?
Discuss
Answer & Solution
Answer: Option B
Solution:
Mercury and Venus are too close to the Sun. Any moon with too great a distance from these planets would be in an unstable orbit and be captured by the Sun. If they were too close to these planets they would be destroyed by tidal gravitational forces.
16
The hottest planet is ________
Discuss
Answer & Solution
Answer: Option B
Solution:
Venus is the hottest world in the solar system. Although Venus is not the planet closest to the sun, its dense atmosphere traps heat in a runaway version of the greenhouse effect that warms Earth. As a result, temperatures on Venus reach 870° Fahrenheit (465° Celsius), more than hot enough to melt lead.
17
In 1610, Galileo Galilei discovered four moons of which planet?
Discuss
Answer & Solution
Answer: Option B
Solution:
The Galilean moons are the four largest moons of Jupiter—Io, Europa, Ganymede, and Callisto. They were first seen by Galileo Galilei in January 1610, and recognized by him as satellites of Jupiter in March 1610. They were the first objects found to orbit another planet.
18
What is the difference between asteroids and comets?
1. Asteroids are small rocky planetoids, while comets are formed of frozen gases held together by rocky and metallic material.
2. Asteroids are found mostly between the orbits of Jupiter and Mars, while comets are found mostly between Venus and Mercury.
3. Comets show a perceptible glowing tail, while asteroids do not.
Which of the statements given above is/are correct?
Discuss
Answer & Solution
Answer: Option B
Solution:
Asteroids are small rocky planetoids, while comets are formed of frozen gases held together by rocky and metallic material whereas, Comets show a perceptible glowing tail, while asteroids do not.
19
Consider the following statements:
1. The albedo of an object determines its visual brightness when viewed with reflected light.
2. The albedo of Mercury is much greater than the albedo of the Earth.
Which of the statements given above is/are correct?
Discuss
Answer & Solution
Answer: Option A
Solution:
The albedo of an object will determine its visual brightness when viewed with reflected light. For example, the planets are viewed by reflected sunlight and their brightness depends upon the amount of light received from the sun and their albedo.
20
On which of the following planets water cycle is available?
Discuss
Answer & Solution
Answer: Option B
Solution:
It is the availability of water due to which life is possible on Earth. It is the essential for biotic and abiotic activities. It is available in 3 forms - solid (ice) liquid gas (water vapour). The water cycle, also known as the hydrologic cycle or the hydrological cycle, describes the continuous movement of water on, above and below the surface of the Earth.