General Science 8th Class Chapter 12 Our Universe Solved Exercise

General Science

8th Class

Chapter 12

Our Universe

Questions

1. Encircle the correct option.

(i) An instrument that helps in seeing heavenly objects:

a. microscope        b. telescope        c. periscope        d. kaleidoscope

(ii) Telescope on the Earth suffers from the defect that light coming from the stars has to pass through:

a. space        b. water        c. atmosphere        d. clouds

(iii) A vehicle designed to carry an artificial satellite in outer space is:

a. rocket        b. airbus        c. jet plane    d. spacecraft

(iv) Star's distances are measured in:

a. kilometers        b. nautical miles        c. light years        d. miles

(v) The colour of hottest star is:

a. red        b. blue        c. yellow        d. white

(vi) Our solar system is a part of:

a. andromeda galaxy        b. milky way galaxy

c. jelly fish galaxy        d. irregular shaped galaxy

(vii) Surface temperature of the Sun is:

a. 3000  ̊ C       b. 6000  ̊ C        c. 15000  ̊ C        d. 1,500,000  ̊ C

(viii) The last stage in the life of massive star is:

a. red giant        b. white dwarf        c. super giant        d. black hole

(ix) Bright stars may appear dim stars because they are:

a. old star        b. new star        c. far away from Earth        d. close to the Earth

(x) The nearest star after the Sun is:

a. Rigel        b. Proxima Centauri        c. Aldebaran        d. Sirius