GENERAL SCIENCE PHYSICS ONE LINERS FOR TNPSC UPSC SSC SET 028
271). The astronomical unit (AU) is the
A). mean distance from the centre of the sun to the centre of the earth
B). mean distance between the surface of the sun to the surface of the earth
C). maximum distance between the sun and the earth
D). minimum distance between the sun and the earth
Answer: mean distance from the centre of the sun to the centre of the earth
272). The solar system belongs to the galaxy called
A). Andromeda nebula
B). Milky Way
C). Radiogalaxy
D). Magellanic cloud
Answer: Milky Way
273). Constellations appear to change their positions at different times of night because
A). the earth revolves around the sun
B). the earth rotates about its axis
C). the constellations move faster than the earth
D). the earth and the constellations move in opposite directions
Answer: the earth rotates about its axis
274). The star (other than the sun) nearest to the earth is
A). Proxima Centauri
B). Alpha Centauri
C). Pole star
D). Vega
Answer: Proxima Centauri
275). The nearest star (other than the sun), which is visible to the naked eye is
A). Proxima Centauri
B). Alpha Centauri
C). Pole star
D). Vega
Answer: Alpha Centauri
276). Light from the nearest star (other than the sun) reaches the earth in
A). 4.2 seconds
B). 42 seconds
C). 4.2 years
D). 42 years
Answer: 4.2 years
277). The pole star does not seem to move because
A). it is in line with the earth's axis of rotation
B). it moves around the sun and not the earth
C). its movement can be seen only during a solar eclipse
D). it rotates very rapidly
Answer: it is in line with the earth's axis of rotation
278). Which of the following do not belong to the solar system?
A). asteroids
B). comets
C). planets
D). nebulae
Answer: nebulae
279). Which planet has prominent rings around it?
A). Uranus
B). Mars
C). Jupiter
D). Saturn
Answer: Saturn
280). Which planet is known as the red planet?
A). Jupiter
B). Mars
C). Venus
D). Pluto
Answer: Mars
A). mean distance from the centre of the sun to the centre of the earth
B). mean distance between the surface of the sun to the surface of the earth
C). maximum distance between the sun and the earth
D). minimum distance between the sun and the earth
Answer: mean distance from the centre of the sun to the centre of the earth
272). The solar system belongs to the galaxy called
A). Andromeda nebula
B). Milky Way
C). Radiogalaxy
D). Magellanic cloud
Answer: Milky Way
273). Constellations appear to change their positions at different times of night because
A). the earth revolves around the sun
B). the earth rotates about its axis
C). the constellations move faster than the earth
D). the earth and the constellations move in opposite directions
Answer: the earth rotates about its axis
274). The star (other than the sun) nearest to the earth is
A). Proxima Centauri
B). Alpha Centauri
C). Pole star
D). Vega
Answer: Proxima Centauri
275). The nearest star (other than the sun), which is visible to the naked eye is
A). Proxima Centauri
B). Alpha Centauri
C). Pole star
D). Vega
Answer: Alpha Centauri
276). Light from the nearest star (other than the sun) reaches the earth in
A). 4.2 seconds
B). 42 seconds
C). 4.2 years
D). 42 years
Answer: 4.2 years
277). The pole star does not seem to move because
A). it is in line with the earth's axis of rotation
B). it moves around the sun and not the earth
C). its movement can be seen only during a solar eclipse
D). it rotates very rapidly
Answer: it is in line with the earth's axis of rotation
278). Which of the following do not belong to the solar system?
A). asteroids
B). comets
C). planets
D). nebulae
Answer: nebulae
279). Which planet has prominent rings around it?
A). Uranus
B). Mars
C). Jupiter
D). Saturn
Answer: Saturn
280). Which planet is known as the red planet?
A). Jupiter
B). Mars
C). Venus
D). Pluto
Answer: Mars
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