Home PYQs UPPSC UPPSC MCQs Prelims 2000 (GS Paper I)

Question

Which one of the following longitudes along with the Prime Meridian forms a great circle on the globe?

  1. 0°
  2. 90º E
  3. 90° W
  4. 180°

Answer:

Option D: 180°

Detailed Solution:

The correct answer is “180°”.

The answer is: (4) 180°

Imagine slicing a globe in half perfectly along the Prime Meridian and 180° longitude. This cut would create two equal halves, making a great circle.