Solar System UPSC Questions

Solar System MCQ Questions

13.

Which of the following statement about the sun is correct
(i) The sun is 150 million km away from the earth
(ii) The distance of the sun from the earth may be said to be about 8 light minutes
(iii) The distance traveled by light in one year is known as the light year
(iv)The distance of alpha centauri is about 4.3 light years

A.

(i), (ii) and (iii) only

B.

(i), (ii) and (iv) only

C.

(i), (iii) and (iv) only

D.

All the above

ANSWER :

D. All the above

14.

Match the following 

List I List II
a) Inner planets 1.) Moon
b) Outer planets 2.) Great Bear
c) Constellation 3.) Saturn
d) Satellite of Earth 4.) Mars
A.

a-4,b-3,c-2,d-1

B.

a-1,b-2,c-3,d-4

C.

a-3,b-4,c-1,d-2

D.

a-2,b-1,c-3,d-4

ANSWER :

A. a-4,b-3,c-2,d-1

15.

Phases of the moon occur because
(i) We can see only that part of the moon that reflects light towards us.
(ii) Our distance from the moon keeps changing.
(iii) The shadow of the Earth covers only a part of the moon’s surface.
(iv) The thickness of the moon’s atmosphere is not constant.

A.

(i) only

B.

(ii) only

C.

(iii) only

D.

(iv) only

ANSWER :

A. (i) only

16.
The pole star appears to be stationary from the Earth, because
A.
it is situated farthest to the direction of the axis of rotation of the Earth
B.
it is situated close to the direction of the axis of rotation of the Earth
C.
it is situated near the sun
D.
None of the above
ANSWER :
B. it is situated close to the direction of the axis of rotation of the Earth
17.
How many planets are in solar system at present ?
A.
8
B.
9
C.
10
D.
11
ANSWER :
A. 8
18.
Artificial satellites are used for
A.
Weather forecasting
B.
Long distance communication
C.
Remote sensing
D.
All the above
ANSWER :
D. All the above