International Date Line NDA Questions

NDA Physical Geography

International Date Line MCQ Questions


1.
The International Date Line (IDL) roughly follows which meridian?
A.
90° West
B.
180° Meridian
C.
90° East
D.
0° (Prime Meridian)
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ANSWER :
B. 180° Meridian
2.
When you cross the International Date Line from East to West, what happens to the calendar date?
A.
Date goes back by one day
B.
Date advances by one day
C.
No change in date
D.
Time changes by 12 hours
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ANSWER :
B. Date advances by one day
3.
When you cross the International Date Line from West to East, what happens?
A.
You gain 12 hours
B.
You lose 12 hours
C.
You gain a day
D.
You lose a day
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ANSWER :
D. You lose a day
4.
The International Date Line passes mainly through which ocean?
A.
Atlantic Ocean
B.
Arctic Ocean
C.
Pacific Ocean
D.
Indian Ocean
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ANSWER :
C. Pacific Ocean
5.
Why does the International Date Line deviate from the 180° meridian in some places?
A.
To accommodate shipping lanes
B.
To align with ocean trenches
C.
To avoid splitting countries and island groups into two different calendar days
D.
To avoid polar ice caps
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ANSWER :
C. To avoid splitting countries and island groups into two different calendar days
6.
The International Date Line was established by international agreement in which year?
A.
1850
B.
1920
C.
1900
D.
1884
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ANSWER :
D. 1884