Stars And The Solar System – Multiple Choice Questions

Q1. Which of the following is not a member of the solar system?

  • Pole Star
  • Asteroid
  • Comet
  • Meteor

Solution

Pole Star is not a member of the solar system. It is a star just like the Sun.

Q2. Which of the following is a possible cause of change in seasons on Earth?

  • Earth is just at a right distance from the Sun
  • Earth revolves around the sun and rotates on its own axis at the same time
  • Earth’s axis of rotation is tilted while it revolves around the Sun
  • The axis of rotation of the Earth is perpendicular to the plane of its orbit

Solution

The axis of rotation of the Earth is not perpendicular to the plane of its orbit. It is this tilt in its axis of rotation while it revolves around the sun that is responsible for the change of seasons on the Earth.

Q3. Consider the following statements regarding the moon

I: It has rocks and craters
II: It has big rivers and lakes
III: It emits its own light

  • Only statement I is correct
  • Only statement II is correct
  • Both statements I and III are correct
  • Both statements II and III are correct

Solution

Moon has rocks and craters but no water and no light of its own.

Q4. The size of a _______ appears to increase as seen from Earth, as it moves ________ the Sun.

  • Meteor, towards
  • Meteor, away from
  • Comet, away from
  • Comet, towards

Solution

The size of a comet appears to increase as seen from Earth, as it moves towards the Sun.

Q5. I am visible during winter in the early part of the night. I look like a distorted letter W or M. Who am I?

  • Orion
  • Leo major
  • Ursa major
  • Cassiopeia

Solution

Cassiopeia is a prominent constellation in the northern sky. It is visible during winter in the early part of the night. It looks like a distorted letter W or M.

Q6.

Name a famous comet that can be seen every 75 or 76 years?

  • Halley’s comet
  • Hale-Bopp
  • Shoemaker-Levy 9
  • Pluto

Solution

Halley’s comet can be seen every 75 or 76 years.

Q7. The appearance of moon changes from day to day. This is referred to as _____. It is caused by the_______ of the moon.

  • Day/night cycle , rotation
  • Day/night cycle, revolution
  • Phases of moon, rotation
  • Phases of moon, revolution

Solution

The appearance of moon changes from day to day. This is referred to as phases of moon. It is caused by the revolution of the moon.

Q8.

What is another name for the Big Dipper?

  • Great Bear
  • Ursa Major
  • Saptarishi
  • All of the above

Solution

Big Dipper is also named Great bear, Ursa Major and Saptarishi.

Q9. Which of the following celestial objects separates the inner and outer planets of the solar system?

  • Meteor
  • Comet
  • Asteroid
  • Meteorite

Solution

Asteroid separates the inner and outer planets of the solar system in the form of the asteroid belt.

Q10. Between the orbits of which two planets is the Asteroid belt found?

  • Mercury and Earth
  • Earth and Mars
  • Mars and Jupiter
  • Mercury and Venus

Solution

Asteroids are small celestial objects which revolve around the Sun between the orbits of Mars and Jupiter.

Q11. Planets orbit the sun in the paths which are

  • Ellipses
  • Circular
  • Both (A) and (B)
  • None of the above

Solution

Planets orbit the Sun in elliptical orbits.

Q12. Which of the following is not an outer planet?

  • Jupiter
  • Saturn
  • Uranus
  • Venus

Solution

Venus is an inner planet along with Mercury, Earth and Mars.

Q13. Name the constellations which are generally seen in summers and winters, respectively.

  • Orion, Leo major
  • Ursa major, Leo major
  • Orion, Ursa major
  • Ursa major, Orion

Solution

Ursa Major is generally seen in summer whereas Orion is generally seen in winters.

Q14. Which of the following is incorrectly matched?

  • Mercury – smallest planet
  • Uranus – brightest planet
  • Mars – Red planet
  • Earth – blue planet

Solution

Venus is the brightest planet.

Q15. Which side of the Moon can never be seen from the Earth?

  • Back side
  • Front side
  • Left side
  • Right side

Solution

Back side of the Moon can never be seen from the Earth.

Q16. The small celestial objects, known as meteors, burn out as they enter the Earth’s atmosphere. The meteors heat up on entering the Earth’s atmosphere because of the

  • Rotation of the Earth
  • Magnetic field of the Earth
  • Friction between the meteors and Earth’s atmosphere
  • Gravitational attraction between the meteors and the Earth

Solution

The meteors heat up on entering the Earth’s atmosphere because of the friction between the meteors and Earth’s atmosphere.

Q17. How many constellations are officially recognized by the International Astronomical Union (IAU)?

  • 76
  • 88
  • 58
  • 108

Solution

88 constellations are officially recognized by the International Astronomical Union (IAU).

Q18. How old is the Moon?

  • 10 billion years
  • 1 million years
  • 2 billion years
  • 4.5 billion years

Solution

The Moon is 4.5 billion years old.

Q19. The size of the illuminated part of the moon visible from the Earth increases each day after the

  • Full moon day
  • New moon day
  • Crescent moon day
  • Gibbous Moon day

Solution

The size of the illuminated part of the moon visible from the Earth increases each day after the new moon day.

Q20. What among the following is not present on the Moon?

  • Atmosphere and mountains
  • Water and mountains
  • Water and craters
  • Atmosphere and water

Solution

Atmosphere and water are not present on the Moon.

Q21. Some meteors are large so that they can reach the Earth before they evaporate completely. The body that reaches the Earth is called

  • Shooting star
  • Meteorite
  • Comet
  • Asteroid

Solution

Some meteors are large so that they can reach the Earth before they evaporate completely. The body that reaches the Earth is called a meteorite.

Q22. A meteor shower is produced when

  • Earth passes through the asteroid belt
  • Earth passes through the tail of a comet
  • Massive particles are carried outward from the Sun
  • Meteors cause condensation in the upper atmosphere

Solution

A meteor shower is produced when the Earth passes through the tail of a comet.

Q23. The Sun appears to move from _________ because the Earth moves from

  • East to West, East to West
  • East to West, West to East
  • West to East, West to East
  • West to East, East to West

Solution

The Sun appears to rise in the east and set in the west as the Earth rotates from west to east on its axis.

Q24. The presence of bright sunlight

  • Keeps the Earth in its orbit
  • Causes the day/night cycle to occur
  • Makes the stars invisible during daytime
  • Causes the different phases of the Moon

Solution

The presence of bright sunlight makes the stars invisible during daytime.

Q25. Which of the following features is not found on the surface of the moon?

  • Craters
  • Mountains
  • Vegetation
  • All of the above

Solution

Moon has no vegetation.

Q26. A certain planet is a member of the outer planets. It rotates on its axis in the direction opposite to the direction in which the Earth rotates. Which planet is being described?

  • Jupiter
  • Saturn
  • Uranus
  • Neptune

Solution

Uranus rotates from east to west while the Earth rotates from west to east.

Q27.

Pick the odd one out.

  • Leo Major
  • Cassiopeia
  • Great Bear
  • Alpha Centauri

Solution

Alpha Centauri is a star, while all the others are constellations.

Q28. Which alternative does not pair a constellation with the number of prominent stars in it?

  • Orion – 10
  • Cassiopeia – 5
  • Ursa major – 7
  • Leo major – 9

Solution

Orion consists of 7 or 8 bright stars.

Q29. Which of the following planets is not located between the Sun and asteroid belt?

  • Earth
  • Venus
  • Mercury
  •  Jupiter

Solution

Jupiter is an outer planet located beyond the asteroid belt.

Q30. Which of the following characteristics of planets is a feature of Saturn?

  • It has the longest period of revolution
  • It is the blue planet of the solar system
  • It is the largest planet of the solar system
  • Its density is less than the density of water

Solution

The density of Saturn is less than the density of water.

Q31. What causes planets, asteroids, comets, etc., to revolve around the Sun?

  • The magnetic field of the Sun
  • The gravitational attraction between the Sun and other components of the solar system
  • The gravitational attraction between the Sun and the Earth
  • The gravitational attraction between the earth and moon

Solution

The gravitational force between the Sun and the other components of the solar system such as the planets, asteroids, comets, etc., causes them to revolve around the Sun.

Q32. Which inner planet’s orbit lies closest to the orbit of one of the outer planets?

  • Mercury
  • Venus
  • Earth
  • Mars

Solution

Mars’ orbit lies close to that of Jupiter.

Q33. Which of these forms the centre of the Solar System?

  • Planets 
  • Sun
  • Moon
  • Stars

Solution

Sun is at the centre of the Solar System.

Q34.

Where does the Moon rise and set?

  • The moon rises in the west and sets in the east
  • The moon rises in the north and sets in the south
  • The moon rises in the east and sets in the west
  • The moon rises in the south and sets in the north

Solution

The moon rises in the east and sets in the west. This is because the Earth rotates from west to east.

Q35. Ursa Major is a constellation that

  • Looks like a hunter
  • Helps in locating Sirius
  • Helps in locating the Pole Star
  • Has only five prominent stars

Solution

Ursa Major is a constellation that moves around the pole star and so helps in locating it.

Q36. In which part of the sky can you find Venus if it is visible as an evening star?

  • Eastern sky
  • Western sky
  • Northern sky
  • Southern sky

Solution

Venus appears in the eastern sky before sunrise. Some times it appears in the western sky just after sunset. Therefore it is often called a morning or an evening star.

Q37. How many miles are there in a light year?

  • 93 million
  • 10 million
  • 3.6 million
  • 6 trillion

Solution

1 light year = 6 x 1012 miles

                 = 6 trillion miles

Q38. What are constellations?

  • Patterns in the sky
  • Twin stars
  • Group of planets
  • All of the above

Solution

The stars forming a group that has a recognisable shape or pattern is called a constellation.

Q39. What is the scientific name for a shooting star?

  • Meteor
  • Falling star
  • Asteroid
  • Comet

Solution

Meteor is the scientific name for a shooting star.

Q40. Noor writes four components of the solar system in the order Earth, Mars, Asteroid, Jupiter. The components have been written in

  • Descending order of their size
  • Ascending order of their size
  • Descending order of their relative distance from Neptune
  • Ascending order of the relative distance from the Sun

Solution

The components have been written in ascending order of the relative distance from the Sun.