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The imaginary line that divides the Earth into the Northern and Southern Hemispheres is called?
A. Prime Meridian
B. Equator
C. Tropic of Cancer
D. Axis
Correct Answer Is Option = Equator
Notes / Explanation
The imaginary line that divides the Earth into the Northern and Southern Hemispheres is called the Equator, and it is one of the most important reference lines used in geography and the study of the Earth. The Equator is an imaginary circle drawn around the middle of the Earth at an equal distance from both the North Pole and the South Pole. It represents the widest part of the planet, and it serves as the starting point from which distances to the north and to the south are measured. The Equator is described as being at zero degrees latitude, and all other lines of latitude are measured in degrees north or south of this central line. Everything that lies to the north of the Equator is said to be in the Northern Hemisphere, while everything that lies to the south of it is in the Southern Hemisphere. The Equator has a major influence on the climate of the regions through which it passes and the areas that lie near it. Because the Sun's rays fall most directly on the Equatorial regions throughout the year, these areas receive the greatest amount of heat and experience consistently high temperatures with little variation between the seasons. The regions close to the Equator are generally characterised by hot and humid conditions, heavy rainfall and dense tropical forests that are home to an extraordinary variety of plant and animal life. As one moves away from the Equator towards the poles, the climate gradually becomes cooler, and the difference between the seasons becomes more pronounced. The Equator also plays a role in the way day and night are distributed, because the regions along it experience days and nights of roughly equal length throughout the year, unlike the regions near the poles, where the length of day and night varies dramatically with the seasons. Understanding the Equator is essential for understanding the global pattern of climate, the system of latitude and the division of the Earth into hemispheres. For PPSC and other competitive examinations, the key points to remember are that the Equator divides the Earth into the Northern and Southern Hemispheres, that it lies at zero degrees latitude, that it is equidistant from the two poles, and that the regions near it experience hot and humid tropical climates because they receive the most direct sunlight.
