Solar System NDA Questions

NDA World Geography

Solar System MCQ Questions


13.
Which planet is the farthest from the Sun in the current classification of the Solar System?
A.
Saturn
B.
Pluto
C.
Neptune
D.
Uranus
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ANSWER :
C. Neptune
14.
Which planet has the shortest day (fastest rotation on its axis) in the Solar System?
A.
Jupiter
B.
Saturn
C.
Earth
D.
Mercury
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ANSWER :
A. Jupiter
15.
Which planet has the longest day (slowest rotation), taking longer to rotate once than to orbit the Sun?
A.
Mercury
B.
Uranus
C.
Mars
D.
Venus
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ANSWER :
D. Venus
16.
Which planet is known to rotate in a direction opposite (retrograde) to most other planets?
A.
Mars
B.
Jupiter
C.
Venus
D.
Saturn
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ANSWER :
C. Venus
17.
Uranus is unique among the planets because its axis of rotation is tilted at approximately what angle, causing it to essentially 'roll' along its orbit?
A.
About 5 degrees
B.
About 98 degrees
C.
About 23 degrees
D.
About 45 degrees
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ANSWER :
B. About 98 degrees
18.
Mars is often called the 'Red Planet' due to the presence of which compound on its surface?
A.
Copper sulphate
B.
Sulphur dioxide
C.
Iron oxide (rust)
D.
Potassium chloride
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ANSWER :
C. Iron oxide (rust)