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Stars and the Solar System Class 8 MCQs Questions with Answers
I. Choose the correct option.
Question 1.
The planet which is nearest to sun is
(a) Neptune
(b) Mercury
(c) Earth
(d) Mars
Answer
Answer: (b) Mercury
Question 2.
Farthest planet of the solar system is
(a) Neptune
(b) Jupiter
(c) Mercury
(d) Earth
Answer
Answer: (a) Neptune
Question 3.
The largest planet in the solar system is
(a) Mercury
(b) Mars
(c) Jupiter
(d) Saturn
Answer
Answer: (c) Jupiter
Question 4.
The brightest planet of the solar system is
(a) Mercury
(b) Venus
(c) Earth
(d) Saturn
Answer
Answer: (b) Venus
Question 5.
Which planet is called morning star or evening star?
(a) Venus
(b) Mars
(c) Jupiter
(d) Mercury
Answer
Answer: (a) Venus
Question 6.
Orion is a
(a) constellation
(b) star
(c) planet
(d) satellite
Answer
Answer: (a) constellation
Question 7.
Which of the following is not a planet?
(a) Ursa Major
(b) Saturn
(c) Neptune
(d) Mercury
Answer
Answer: (a) Ursa Major
Question 8.
Our galaxy is known as
(a) Earth galaxy
(b) Sun galaxy
(c) Milky way galaxy
(d) Constellation
Answer
Answer: (c) Milky way galaxy
Question 9.
Which star is nearest to the earth?
(a) Pole star
(b) Cassiopeia
(c) Orion
(d) Sun
Answer
Answer: (d) Sun
Question 10.
How many stars does orion constellation have?
(a) 8
(b) 10
(c) 12
(d) 4
Answer
Answer: (a) 8
Question 11.
The Halley’s comet is seen after every
(a) 76 months
(b) 76 years
(c) 56 months
(d) 56 years
Answer
Answer: (b) 76 years
Question 12.
Stars appear to move from
(a) West to East
(b) East to West
(c) North to South
(d) South to West
Answer
Answer: (b) East to West
Question 13.
The gap between the orbit of Mars and Jupiter have
(a) asteroids
(b) comets
(c) meteor
(d) meteorite
Answer
Answer: (a) asteroids
Question 14.
The planet which appears yellowish
(a) Asteroids
(b) Mars
(c) Uranus
(d) Saturn
Answer
Answer: (d) Saturn
Question 15.
The first outside orbit of the earth’s planet is
(a) Jupiter
(b) Mars
(c) Saturn
(d) Uranus
Answer
Answer: (b) Mars
Question 16.
Suppose a new planet is discovered between Uranus and Neptune. Its time period would be
(a) less than that of Neptune
(b) more than that of Neptune
(c) equal to that of Neptune or Uranus
(d) less than Uranus
Answer
Answer: (a) less than that of Neptune
Question 17.
If standing on the surface of moon, we throw a ball upward, then the ball would
(a) directly fall down from the point it is released.
(b) hang in space.
(c) go up and then come back to the surface of the moon.
(d) keep going up never to come back.
Answer
Answer: (c) go up and then come back to the surface of the moon.
II. Fill in the Blanks
Question 1.
First artificial satellite launched by India is ………………….
Answer
Answer: Aryabhatta
Question 2.
Stars have their own ………………….
Answer
Answer: light
Question 3.
…………………. is the brightest object in the night sky.
Answer
Answer: Moon
Question 4.
The various shapes of the brightest part of moon are called ………………….
Answer
Answer: phases of moon
Question 5.
…………………. and …………………. are the nearest planet to our Earth.
Answer
Answer: Venus, Mars
Question 6.
…………………. is the extremely cold planet.
Answer
Answer: Neptune
Question 7.
There are total …………………. planets in our solar system.
Answer
Answer: eight
Question 8.
The path of the planets is known as ………………….
Answer
Answer: orbit
Question 9.
…………………. is a group of stars arranged in a definite pattern.
Answer
Answer: Constellation
Question 10.
…………………. star appears stationary near the northern horizon.
Answer
Answer: Pole
Question 11.
…………………. are the celestial bodies revolving around the planet.
Answer
Answer: Satellites
Question 12.
…………………. is the distance travelled by light in one year.
Answer
Answer: Light year
Question 13.
…………………. are the bright objects which revolve around the sun.
Answer
Answer: Planets
Question 14.
…………………. is the planet which is nearest to the Sun.
Answer
Answer: Mercury
Question 15.
Milky Way Galaxy is also known as ………………….
Answer
Answer: Akashganga
III. True or False
Question 1.
Mars is the fourth planet of the solar system.
Answer
Answer: True
Question 2.
Sun is a satellite.
Answer
Answer: False
Question 3.
Orion is seen during winter season.
Answer
Answer: True
Question 4.
The second outermost planet is Uranus.
Answer
Answer: True
Question 5.
Earth is the third planet of the solar system.
Answer
Answer: True
Question 6.
Neptune is the largest planet of the solar system.
Answer
Answer: False
Question 7.
The mass of Jupiter is about 318 times that of our Earth.
Answer
Answer: True
Question 8.
Saturn and Uranus have ring around them.
Answer
Answer: True
Question 9.
The stars have light of their own.
Answer
Answer: True
Question 10.
Mercury is the earth’s nearest planet.
Answer
Answer: False
Question 11.
There are total 8 planets in the solar system.
Answer
Answer: True
Question 12.
Saturn is the extremely cold planet.
Answer
Answer: False
Question 13.
Moon emits light of its own.
Answer
Answer: False
Question 14.
Change in seasons on the earth is due to the tilted axis of rotation of the earth with respect to the plane of its orbit.
Answer
Answer: True
Question 15.
Ursa Major is a constellation.
Answer
Answer: True
IV. Match the following
| Column I | Column II |
| 1. Mercury | (a) Moon |
| 2. Constellation | (b) Star |
| 3. Closest celestial body | (c) Artificial satellite |
| 4. Light year | (d) Neptune |
| 5. Sun | (e) Time taken by light to reach earth in 1 year |
| 6. INSAT | (f) Group of stars |
| 7. Extremely cold planet | (g) Nearest to sun |
| 8. Hottest planet | (h) Meteor |
| 9. Shooting star | (i) Jupiter |
| 10. Largest planet | (j) Mercury |
Answer
Answer:
| Column I | Column II |
| 1. Mercury | (g) Nearest to sun |
| 2. Constellation | (f) Group of stars |
| 3. Closest celestial body | (a) Moon |
| 4. Light year | (e) Time taken by light to reach earth in 1 year |
| 5. Sun | (b) Star |
| 6. INSAT | (c) Artificial satellite |
| 7. Extremely cold planet | (d) Neptune |
| 8. Hottest planet | (j) Mercury |
| 9. Shooting star | (h) Meteor |
| 10. Largest planet | (i) Jupiter |
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