Which of the following statements regarding tropical cyclones is/are correct?
1. These storms develop during the summer and autumn in every tropical ocean except the South Atlantic and eastern South Pacific Oceans.
2. Tropical cyclones that occur in the North Atlantic and eastern North Pacific Oceans are known as typhoons.
3. Tropical cyclones that occur in the Indian and South Pacific Oceans are called cyclones.
Select the answer using the code given below :
A.3 only
B.1 and 2 only
C.1 and 3 only✓ Correct
D.1, 2 and 3
Explanation
Statements 1 and 3 are correct. Tropical cyclones develop in summer and autumn in all tropical ocean basins except the South Atlantic and eastern South Pacific, where conditions like cold ocean currents and strong wind shear inhibit their formation. In the Indian and South Pacific Oceans, these storms are called 'cyclones'. Statement 2 is incorrect — tropical cyclones in the North Atlantic and eastern North Pacific are called 'hurricanes', not typhoons. Typhoons occur in the western North Pacific (around Japan, Philippines, China).
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