Stars and The Solar System Class 8 Quiz Question with Answer
Stars and The Solar System Class 8 Quiz Question with Answer. CBSE Class 8 Science Lesson 17 Mock Test.
1) Which of the following is the closest planet to the earth?
A) Mercury
B) Jupiter
C) Venus
D) All of the above
Solution (A) Mercury
Explanation:: mercury is closest to earth on average because it orbits the sun more closely. Hence option [A] is the correct option.
2) Which of the following is the hottest planet in the solar system?
A) Venus
B) Jupiter
C) Mercury
D) Saturn
Solution (A) Venus
Explanation:: Venus is the hottest planet in the solar system, as its proximity to the sun and dense atmosphere make it our solar system’s hottest planet.
3) Which of the following planets of the solar system has no satellites revolving around them?
A) Mercury
B) Venus
C) Both (A) and (B)
D) None of the above
Solution (C) Both (A) and (B)
Explanation:: mercury and Venus have no natural satellites. Earth has one large natural satellite, known as the moon; and mars has two tiny natural satellites. Hence, both mercury and Venus are too close to the sun. hence the answer will be answer [C].
4) Which star is brightest in the night sky?
A) Sirius
B) Polar star
C) Proxima centauri
D) All of the above
Solution (A) Sirius
Explanation:: Sirius is a brightest star in the night sky, which coats low above the southern horizon for most of us in the northern hemisphere during the cooler months.
5) Which of the following stars is called a great bear?
A) Ursae major
B) Proxima centauri
C) Alpha century
D) Pole star
Solution (A) Ursae major
Explanation:: ursae major is called ‘great bear’ because it’s stars are arranged in such a way that they seem to form the outline of the body of a great bear.
6) Which of the following constellations can be seen in the early part of the night during summer seasons?
A) Ursa major
B) Orion
C) Cassiopeia
D) All of the above
Solution (A) Ursa major
Explanation:: ursa major is visible in the sky during the summer season in the early part of the night.
7) Orion constellation is visible during____________
A) Summer
B) Winter
C) Rainy
D) None of the above
Solution (B) winter
Explanation::Orion constellations are visible in the sky during winter season in the late evenings.
8) Which of the following is called a ‘minor planets’
A) Asteroids
B) Comets
C) Jupiter
D) Venus
Solution (A) Asteroids
Explanation::asteroids, sometimes called minor planets, is rocky, airless comets left over from the early formation of our solar system.
9) Which of the following planets is a member of a solar system?
A) Jupiter
B) Comets
C) Asteroids
D) All of the above
Solution (D) All of the above
Explanation:: here all the planets above are members of the solar system hence the option [D] is the solution.
10) Which of the following planet is the smallest in our solar system?
A) Jupitor
B) Mass
C) Mercury
D) saturn
Solution (C) Mercury
Explanation:: the smallest planet in the solar system is “mercury”
11) Which of the following planet is biggest in our solar system?
A) Jupitor
B) Mercury
C) Saturn
D) mars
Solution (A) Jupitor
Explanation:: the biggest planet in our solar system is “jupiter” because it has 53 moons.
12) Which of the following statements is correct?
A) The earth has an atmosphere and water
B) The orion constellation consist of seven bright stars
C) Asteroids are also called minor planets.
D) All of the above
Solution (D) All of the above
Explanation::here, all the statements are correct.
13) Choose the incorrect statement?
A) Halley’s comet has a period of revolution of 76 year
B) The ursa major is called “Great bear”
C) Jupitor is biggest planet of the solar system
D) Jupiter show phases like the moon
Solution (D) Jupiter show phases like the moon
Explanation::here, all statements are correct except option [D], because Jupiter does not show phases like the moon, Venus and Mercury show phases like the moon.
14) Which of the following statements is correct?
A) Meteoroids are members of the solar system
B) A meteor is called a shooting star
C) A meteor which does not burn up completely on entering the earth atmosphere and lands on earth is known as meteorites.
D) All of the above
Solution (D) All of the above
Explanation: here, all statements are correct, hence option [D] is correct.
15) Which of the following planet is also called “Morning star”
A) Jupitor
B) Venus
C) Sirius
D) Pole star
Solution (B) Venus
Explanation::morning star is the name given to the planet Venus because sometimes it appears in the system sky before sunrise.:
16) Which planet has the most moons?
A) Neptune
B) Uranus
C) Jupitor
D) Saturn
Solution (C) Jupitor
Explanation: out of the given option ‘jupitor’ has the most moons, they have confirmed 53 moons.
17) Which planet has no atmosphere and water?
A) Jupitor
B) Mercury
C) Venus
D) mars
Solution (B)
Explanation:; mercury is the only planet in our solar system that has no atmosphere and water.
18) Which planet has the largest rotation?
A) Venus
B) Jupitor
C) Mars
D) murcury
Solution (A) Venus
Explanation: Venus has the longest rotation because Venus takes a long time for a single rotation on its axis.
19) Which planet is the closest to the sustain life?
A) Mercury
B) Earth
C) Venus
D) mars
Solution (B) Earth
Explanation:: earth is the planet known to support life because it has air and water which are needed to the living beings.
20) Which planet is the nearer to the sun?
A) Jupitor
B) Mercury
C) Mars
D) venus
Solution (B) Mercury
Explanation: mercury is the planet closest to the sun.