Stars and the solar system

   Stars and the solar system

         CLASS - 8 

(Q.1)  On full moon day

(a) Moon lies in between the Earth and the Sun
(b) Earth lies in between the moon and the Sun
(c) Sun lies in between the Earth and the moon
(d) Sun lies at the top of moon and earth
 

(Q.2)  Which planet has 30 satellites

(a) Saturn
(b) Pluto
(c) Uranus
(d) Jupiter
 

(Q.3)  Time taken by the Earth to go once around the Sun is:

(a) 365 days.
(b) 365.45 days.
(c) 365.75 days.
(d) 365.25 days.
 

(Q.4)  Halley’s comet appears after every

(a) 75 years.
(b) 73 years.
(c) 76 years.
(d) 72 years.
 

(Q.5)  Moon’s surface is

(a) Smooth
(b) Fertile
(c) Dusty and barren
(d) Plane
 

(Q.6)  Pole star changes its position in the sky because:

(a) It is an imagination.
(b) It lies on the axis of rotation of earth.
(c) It lies on 30° to the axis of rotation of earth.
(d) Moon kept it stationary in sky.
 

(Q.7)  Write the name of first satellite of India.

(Q.8)  What is a natural satellite?

(Q.9)  Why do we classify the sun as a star?

(Q.10)  Which comet appears after every 76 years?

(Q.11)  Name a star that always appear stationary from earth’s surface?

(Q.12)  What do you mean by the term phases of moon?

(Q.13)  What are celestial bodies?

(Q.14)  Why the village sky is so different from the night sky in big cities?

(Q.15)  The star nearest to the Earth after the Sun is:

(a) Alpha Centuari.
(b) Pole star.
(c) Shooting star.
(d) Moon.
 

(Q.16)  Light year is equal to

(a) 9.46 x 10¹² km.
(b) 3.46 x 10¹² km.
(c) 3 x 10¹² km.
(d) 2 x 10¹² km.
 

(Q.17)  Polaris is the name given to a star situated in the north direction. The other name of the star is

(a) Great bear
(b) Orion
(c) Pole star
(d) Ursa minor
 

(Q.18)  Distance between the stars is measured in:

(a) Kilometers.
(b) Meters.
(c) Light years.
(d) Chandra Shekhar Limit.
 

(Q.19)  Which of the following planet is called morning star:

(a) Venus.
(b) Mercury.
(c) Pluto.
(d) Neptune.
 

(Q.20)  Venus is brightest planet because of:

(a) Ozone layer around it.
(b) Cloudy atmosphere of nitrogen.
(c) Cloudy atmosphere of carbon dioxide.
(d) Layer of jugnus around it.
 

(Q.21)  Which of the following statements is false about Venus?

(a) Venus keeps its same face towards the sun.
(b) Its day side temperature is too high and night side temperature is too low.
(c) It has a thick atmosphere of carbon dioxide, which contributes to its excessive dayside temperature.
(d) It rotates from west to east about its axis.
 

(Q.22)  Change of seasons on the earth takes place due to the reason that

(a) The axis of rotation of the earth is tilted at an angle of 60° with the vertical.
(b) The earth is not always at the same distance from the sun, on account of its slightly elliptical orbit around the sun.
(c) The temperature of earth keeps on changing.
(d) The sun sends unequal amount of light andis responsible for the change in season.
 

(Q.23)  Match the following: Column I Column II I. Coldest planet A.Mars II. Bluish planet B.Saturn III. Plant with rings around C. Uranus IV. Red planetD. Pluto

(a) I-B, II-A, III-D, IV-C
(b) I-C, II-B, III-A, IV-D
(c) I-D, II-C, III-B, IV-A
(d) I-A, II-D, III-C, IV-B
 

(Q.24)  Match the following: Column I Column II IDon't twinkle A.Meteors II.Group of stars B.Planets III.Burning pieces of rocksC.Asteroids IV.A belt of debris between D.Constellation Mars and Jupiter

(a) I-B, II-D, III-A, IV-C
(b) I-C, II-A, III-B, IV-D
(c) I-D, II-B, III-C, IV-A
(d) I-A, II-C, III-D, IV-B
 

(Q.25)  Which of the following can reach on the surface of earth:

(a) Meteors.
(b) Meteorite.
(c) Comets.
(d) Asteroids.
 

(Q.26)  What reason you assign for the formation of day and night on the earth?

(a) Revolution of sun around the earth
(b) Revolution of earth around the sun
(c) Revolution of earth on its own axis
(d) Revolution of moon around earth
 

(Q.27)  On new moon day

(a) The moon is between the sun and earth
(b) The sun is between the moon and earth
(c) The earth is between the sun and moon
(d) Sun lies at the top of moon and earth
 

(Q.28)  Jupiter's red spot is really a:

(a) A big storm.
(b) A layer of red clouds.
(c) An active volcano.
(d) A river of blood.
 

(Q.29)  A group of stars forming some recognizable shape are known as

(a) Galaxy.
(b) Constellation.
(c) Comets.
(d) Asteroids.
 

(Q.30)  Which of the following is natural satellite of a planet?

(a) Phorbes
(b) Vagus
(c) Deimos
(d) Ceimos
 

(Q.31)  Halley comet was last seen in:

(a) 1910.
(b) 1986.
(c) 1923.
(d) 1999.
 

(Q.32)  Which of the following is false about Neptune?

(a) It was discovered by an English astronomer, William Herschel in 1781.
(b) It has 8 satellites revolving around it.
(c) No life is possible on this planet on account of very low temperature.
(d) Neptune is at a distance of 4495.1 × 109 km from the sun.
 

(Q.33)  Which of the following planet has largest numbers of moons ?

(a) Saturn
(b) Uranus
(c) Earth
(d) Jupiter
 

(Q.34)  In how much time moon completes one revolution around the earth?

(a) 27(1/3) days.
(b) 29(1/2)days.
(c) 15 days.
(d) 30 days.
 

(Q.35)  Moon always presents same face towards the earth because:

(a) Moon completes one revolution between one new moon to next new moon in 29(1/2) days.
(b) It takes exactly the same time to spin once about its axis.
(c) The moon completes one revolution around the earth in29(1/2) days.
(d) The moon absorbs the light from sun.
 

(Q.36)  Shooting star is a:

(a) Meteor.
(b) Meteorite.
(c) Asteroid.
(d) Comet.
 

(Q.37)  Large number of small bodies between the orbits of Mars and Jupiter that revolve around the sun are called:

(a) Comets.
(b) Meteors.
(c) Meteorites.
(d) Asteroids.
 

(Q.38)  Which of the following does not operates through satellites?

(a) Transport system.
(b) Mobile phones.
(c) Internet.
(d) Television programme.
 

(Q.39)  Remote sensing means

(a) Collecting information from a distance
(b) Breaking a remote
(c) Marketing of remote
(d) Making a remote
 

(Q.40)  Which of the following is false about satellites

(a) Long distance transmission of television programme becomes possible with the help of artificial satellites.
(b) Artificial satellites are also used to gather information about movements of materials concerning defence activities.
(c) Artificial satellites are also used for research.
(d) Moon is much closer to earth than the artificial satellites.
 

(Q.41)  Which planet takes minimum time in one revolution around sun:

(a) Earth.
(b) Jupiter.
(c) Mercury.
(d) Saturn.
 

(Q.42)  Which out of the following has density less than water:

(a) Earth.
(b) Jupiter.
(c) Mercury.
(d) Saturn.
 

(Q.43)  The Milky Way Galaxy is …………….. in shape

(a) Spherical.
(b) Elliptical.
(c) Spiral.
(d) Circular.
 

(Q.44)  Venus is ………… than Mercury

(a) Hotter.
(b) Colder.
(c) Smaller.
(d) At same temperature.
 

(Q.45)  Which one out of following is not called terrestrial planet:

(a) Jupiter.
(b) Earth.
(c) Mercury.
(d) Venus.
 

(Q.46)  Which of the following is not a member of the solar system?

(a) A black hole
(b) A satellite
(c) A comet
(d) An asteroid
 

(Q.47)  Which of the following is not a planet of the sun?

(a) Mercury.
(b) Saturn.
(c) Sirius.
(d) Earth.
 

(Q.48)  The study of universe is known as

(a) Astronomy.
(b) Aeronautics.
(c) Genomic.
(d) Geology.