Our Universe(5th Grade > Science ) Questions and answers for exam Preparation

5th Grade > Science

OUR UNIVERSE MCQs

Total Questions : 56 | Page 4 of 6 pages

Which of the following planet(s) is/are known as the Ice giant(s)?

Neptune
Jupiter
Saturn
Uranus

Discuss Question

Answer: Option A. -> Neptune
:
A and D
- Uranus and Neptune are composed mainly from ice. Moreover, they are too huge in size that multiple Earths could fit into them.
- Due to these reasons both these planets are known as Ice Giants.

Question 32.

Which of the following is/are correct in regard to the Earth's axis?

Axis of Earth is slightly tilted
It passes through North and South pole
Earth rotates about this imaginary axis
It is equidistant from poles of Earth

Discuss Question

Answer: Option A. -> Axis of Earth is slightly tilted
:
A, B, and C
- An imaginary line going through the centre of Earth from the North to South pole of Earth is called the axis.
- It is slightly tilted in such a way that the angle it makes with vertical is 23.4 degrees.
- The Earth rotates or spins about this imaginary axis.
- The axis is at different distances from the poles.

Question 33.

Which constellation is known to resemble a hunter?

Scorpio
Gemini
Pegasus
Orion

Discuss Question

Answer: Option D. -> Orion
:
D

- Constellations is a group of stars that forms an imaginary pattern.
- When Orion was noticed in the sky, people long long ago thought that it resembled a hunter. In Greek Mythology, Orion was a giant hunter.

Question 34.

___ is the largest moon of Saturn.

Mimas
Dione
Titan
Tethys

Discuss Question

Answer: Option C. -> Titan
:
C
- Saturn has about 62 moons out of which Titan is the largest moon which is even bigger than mercury and pluto.
- Mimas, Dione and Tethys are also the moons of saturn.

Question 35.

Which of the following statement(s) is/are correct in regard to planet Venus?

It is the second planet from the Sun.
It is the hottest planet in the solar system.
Life is possible on planet Venus.
It is the brightest planet in the solar system.

Discuss Question

Answer: Option C. -> Life is possible on planet Venus.
:
A, B, and D
- Venus is the second planet from the Sun.
- It is the hottest and brightest planet in the solar system.
- It is a very dry planet with no evidence of water, oxygen and high surface temperature. These are some of the reasons due to which life is impossible on this planet.

Question 36.

An __ is a definite path in which planet revolves around the Sun.

asteroid
orbit
orion
ursa major

Discuss Question

Answer: Option B. -> orbit
:
B
- A planet has a definite path in which it revolves around the Sun. This path is called an orbit.

Question 37.

The Earth has only one Moon.

True
False

Discuss Question

Answer: Option A. -> True
:
A

- The Earth has only has one Moon that revolves around it.
- It is a natural satellite.

Question 38.

Identify Mars among the following planets?

Discuss Question

Answer: Option B. ->

:
B

Mars is the fourth planet from the Sun and the second smallest planet in the Solar system.
It has a reddish appearance due to which it is known as the "Red Planet".

Question 39.

The Moon takes ___ days to complete one revolution around the Earth.

27.3
27.4
26.3
26.4

Discuss Question

Answer: Option A. -> 27.3
:
A

The Moon completes one revolution around the Earth in about 27.3 days.

Question 40.

If a new planet is discovered between Earth and Mars, then the time taken by that planet to revolve around the Sun would be:

less than that of Earth
more than that of Earth
less than that of Mars
more than that of Mars

Discuss Question

Answer: Option B. -> more than that of Earth
:
B and C
The time taken by the new planet to complete one revolution around the Sun will be more than that of Earth but less than that of Mars.
It is because the new planet has to travel more distance than Earth but less distance than Mars.