4th Grade > Science
OUR UNIVERSE MCQs
Total Questions : 36
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Answer: Option D. -> Neptune
:
D
- Till 2006, Pluto was considered as the last planet of our solar system but after that it was excluded and was reclassified as a dwarf planet.
- Now, neptune is the last planet in our solar system and it is the farthest planet from the Sun.
:
D
- Till 2006, Pluto was considered as the last planet of our solar system but after that it was excluded and was reclassified as a dwarf planet.
- Now, neptune is the last planet in our solar system and it is the farthest planet from the Sun.
Answer: Option D. -> Neptune
:
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".
:
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".
Answer: Option C. -> Jupiter
:
C
- The great red spot on jupiter is a storm that is as big as 3 earths and has been active for 200 years.
- The reason for this ferocious storm is the high speed of rotation of jupiter.
:
C
- The great red spot on jupiter is a storm that is as big as 3 earths and has been active for 200 years.
- The reason for this ferocious storm is the high speed of rotation of jupiter.
Answer: Option D. -> Mercury < Earth < Saturn < Jupiter
:
D
- Jupiter is the largest planet of the solar system.
- Saturn is the second largest planet of the solar system.
- Mercury is the smallest planet of the solar system.
So, the correct order of planets in size from smallest to largest will be:Mercury < Earth < Saturn < Jupiter
:
D
- Jupiter is the largest planet of the solar system.
- Saturn is the second largest planet of the solar system.
- Mercury is the smallest planet of the solar system.
So, the correct order of planets in size from smallest to largest will be:Mercury < Earth < Saturn < Jupiter
Answer: Option A. -> 8 minutes
:
A
Sunlight travels with the speed of light (3×108m/s) which takes about8 min 17seconds to reach the Earth.
:
A
Sunlight travels with the speed of light (3×108m/s) which takes about8 min 17seconds to reach the Earth.
Answer: Option D. -> Jupiter
:
D
The sequence shows the order of planets in the solar system. Jupiter is the 5th planet from the Sun after Mercury, Venus, Earth and Mars. It is the biggest planet in our Solar System.
:
D
The sequence shows the order of planets in the solar system. Jupiter is the 5th planet from the Sun after Mercury, Venus, Earth and Mars. It is the biggest planet in our Solar System.
Answer: Option B. -> black hole
:
B
- A supermassive black hole is present in the centre of the Milky Way galaxy.
- It is a region from which nothing can escape, not even light.
:
B
- A supermassive black hole is present in the centre of the Milky Way galaxy.
- It is a region from which nothing can escape, not even light.
Answer: Option B. -> 8
:
B
- Till 2006, Pluto was considered as the last planet of our solar system but after that it was excluded and was reclassified as a dwarf planet.
- Now, there are 8 planets in our solar system, oncount from Mercury to Neptune.
:
B
- Till 2006, Pluto was considered as the last planet of our solar system but after that it was excluded and was reclassified as a dwarf planet.
- Now, there are 8 planets in our solar system, oncount from Mercury to Neptune.
Answer: Option C. -> Saturn
:
C
The planet Saturn has the most extensive ring system in the Solar System. Its rings are made up of rock, dust and icy material. Pluto does not possess any rings around it. However, Jupiter and Uranus possess a system of rings which are mostly composed of dust and ice. But, they are not as extensive and complex as that of Saturn; rather, are faint.
:
C
The planet Saturn has the most extensive ring system in the Solar System. Its rings are made up of rock, dust and icy material. Pluto does not possess any rings around it. However, Jupiter and Uranus possess a system of rings which are mostly composed of dust and ice. But, they are not as extensive and complex as that of Saturn; rather, are faint.
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.
:
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.
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