Q. Which of the following statements describe the characteristics of India’s monsoon rainfall?
1.The southwest monsoon contributes about 70–90% of India’s annual rainfall.
2.The onset of the monsoon typically begins in Kerala by early June due to moisture-laden winds from the Arabian Sea.
3.The monsoon break phase is caused by the northward shift of the monsoon trough, reducing rainfall in northern India.
4.The Western Ghats receive orographic rainfall due to the ascent of moist air from the Arabian Sea.
Select the correct answer using the code given below.
Answer: B
Notes:
Explanation:
Statement 1: Correct. The southwest monsoon accounts for 70–90% of India’s annual rainfall.
Statement 2: Correct. The monsoon typically begins in Kerala by early June, driven by Arabian Sea winds.
Statement 3: Incorrect. The monsoon break occurs due to the southward shift or weakening of the monsoon trough, not northward.
Statement 4: Correct. The Western Ghats receive heavy orographic rainfall as moist air rises over the mountains.
