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Q: All parallel circles from the Equator to the poles are known as ––
  • A. Parallels of Latitude
  • B. Arctic Circle
  • C. Tropic of Cancer
  • D. Antarctic Circle
Correct Answer: Option A - All parallel circles from the equator upto the poles are called parallels of latitudes. Latitudes are measured in degrees.The equator represents the zero degree latitude. Since the distance from the equator to either of the poles is one-fourth of a circle round the earth, it will measure ¼th of 360 degrees, i.e. 90°. Thus, 90 degrees north latitude marks the North Pole and 90 degrees south latitude marks the South Pole.Besides the equator (0º), the North Pole (90°N) and the South Pole (90ºS), there are four important parallels of latitudes– (i) Tropic of Cancer (23½°N) in the Northern Hemisphere. (ii) Tropic of Capricorn (23½°S) in the Southern Hemisphere. (iii) Arctic Circle at 66½° north of the equator. (iv) Antarctic Circle at 66½° south of the equator.
A. All parallel circles from the equator upto the poles are called parallels of latitudes. Latitudes are measured in degrees.The equator represents the zero degree latitude. Since the distance from the equator to either of the poles is one-fourth of a circle round the earth, it will measure ¼th of 360 degrees, i.e. 90°. Thus, 90 degrees north latitude marks the North Pole and 90 degrees south latitude marks the South Pole.Besides the equator (0º), the North Pole (90°N) and the South Pole (90ºS), there are four important parallels of latitudes– (i) Tropic of Cancer (23½°N) in the Northern Hemisphere. (ii) Tropic of Capricorn (23½°S) in the Southern Hemisphere. (iii) Arctic Circle at 66½° north of the equator. (iv) Antarctic Circle at 66½° south of the equator.

Explanations:

All parallel circles from the equator upto the poles are called parallels of latitudes. Latitudes are measured in degrees.The equator represents the zero degree latitude. Since the distance from the equator to either of the poles is one-fourth of a circle round the earth, it will measure ¼th of 360 degrees, i.e. 90°. Thus, 90 degrees north latitude marks the North Pole and 90 degrees south latitude marks the South Pole.Besides the equator (0º), the North Pole (90°N) and the South Pole (90ºS), there are four important parallels of latitudes– (i) Tropic of Cancer (23½°N) in the Northern Hemisphere. (ii) Tropic of Capricorn (23½°S) in the Southern Hemisphere. (iii) Arctic Circle at 66½° north of the equator. (iv) Antarctic Circle at 66½° south of the equator.