4th Grade > Science
OUR UNIVERSE MCQs
Total Questions : 36
| Page 3 of 4 pages
Answer: Option D. ->
Venus
:
D
- Venus appears in the eastern sky before sunrise. Sometimes it appears in the western sky just after sunset. Therefore it is often called a morning or an evening star.
:
D
- Venus appears in the eastern sky before sunrise. Sometimes it appears in the western sky just after sunset. Therefore it is often called a morning or an evening star.
Answer: Option B. ->
orbit
:
B
- A planet has a definite path in which it revolves around the Sun. This path is called an orbit.
:
B
- A planet has a definite path in which it revolves around the Sun. This path is called an orbit.
Answer: Option B. ->
(a) - (iv), (b) - (ii), (c) - (iii), (d) -(i)
:
B
- Venus is known as the "rocky" or "terrestrial" planet as it is similar to Earth in composition.
- Saturn is known as the gas giant because it is made up of gases and it is too huge that about 760 earths can fit into it.
- Uranus is known as an ice giant because it is made up of ice and it is too huge that 63 earths can fit into it.
- Pluto is known as the dwarf planet because of its size as it is even smaller than the Earth's moon.
:
B
- Venus is known as the "rocky" or "terrestrial" planet as it is similar to Earth in composition.
- Saturn is known as the gas giant because it is made up of gases and it is too huge that about 760 earths can fit into it.
- Uranus is known as an ice giant because it is made up of ice and it is too huge that 63 earths can fit into it.
- Pluto is known as the dwarf planet because of its size as it is even smaller than the Earth's moon.
Answer: Option D. ->
asteroid belt
:
D
Asteroid are rocky and metallic objects that orbit around the Sun.
The vast majority of asteroids that orbit within the main asteroid belt are located between the orbits of Mars and Jupiter.
:
D
Asteroid are rocky and metallic objects that orbit around the Sun.
The vast majority of asteroids that orbit within the main asteroid belt are located between the orbits of Mars and Jupiter.
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.
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 A. ->
8 minutes
:
A
:
A
Sunlight travels with the speed of light ( 3×108 m/s) which takes about 8 min 17 seconds 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 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.
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