Universe - Section 1

31:  

How many years does Pluto take in revolving. round the Sun?

A.

110 years

B.

246 years

C.

248 years

D.

250 years

 
 

Option: C

Explanation :

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32:  

Even though Pluto is usually the Jarthest planet. its path is highly elliptical, crossing inside the path of. some 'other planets. As a result, for a period of twenty years from 1979 the farthest planet is' not Pluto but

A.

Uranus

B.

Saturn

C.

Neptune

D.

Jupiter

 
 

Option: C

Explanation :

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33:  

Which planet looks reddish in the night sky?

A.

Mercury

B.

Mars

C.

Jupiter

D.

Saturn

 
 

Option: B

Explanation :

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34:  

Comets are celestial bodies moving about the solar system in

A.

Elliptical or hyperbolic orbits, usuallyac, companied by a shining tail

B.

Elliptical orbits usually accompanied by a long shining tail'

C.

Hyperbolic orbit always accompanied by a shining head

D.

Hyperbolic orbit without projecting any tail or head

 
 

Option: A

Explanation :

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35:  

The planets are kept in mo'tion in their respective orbits by

A.

Their great size and spherical shape

B.

The rotation and density

C.

Gravitation and centrifugal force

D.

Rotation of the sun on its axis

 
 

Option: C

Explanation :

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