Question

What is the full form of ITCZ?

a.International Tropical Convergence Zone
b.Interstate Tropical Convergence Zone
c.International Tropical Convergence Zone
d.Inter-Tropical Convergence Zone

Answer 1

Hint: The ITCZ is a band of clouds that surrounds the globe near the Equator. It moves towards north during the summer of the Northern Hemisphere and towards the south during the winter of the Northern Hemisphere.

Complete Step by Step answer: The ITCZ was first identified in the 1920s - 1940s as the Intertropical Front (ITF). Later in the 1940s - 1950s, the term Intertropical Convergence Zone (ITCZ) was applied due to the importance of wind field convergence in tropical weather production. The ITCZ is known by sailors as the doldrums because of its windless weather. It is in this area that the northeast and southeast trade winds converge. Therefore, the name Intertropical Convergence Zone (ITCZ).

The ITCZ is called the near-equatorial trough when it lies near the geographic Equator and referred to as monsoon trough when it merges with a monsoonal circulation. It is common in Australia and some parts of Asia. Any change in the location of the intertropical convergence zone affects rainfall in many equatorial regions. This results in the wet and dry seasons of the tropics rather than the cold and warm seasons of higher latitudes. If the changes in the intertropical convergence zone remain for a longer duration , it can result in severe droughts or floods.

Looking at the options given:
Option a: This full form is partially correct. This is an incorrect answer.
Option b: A tropical zone can never be interstate. This is an incorrect answer.
Option c: This is an incorrect answer.
Option d: Intertropical Convergence Zone is the zone near the Equator and varies seasonally. This is the correct answer.

Hence, Option 'd' is correct.

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