Question

Study the map showing the area that receives rains during winter and answer the questions that follow:

(a) Name the wind which brings rainfall to:
1. the shaded area labelled A.
2. the shaded area labelled B.

Answer 1

(ii)(a) Winds bringing rainfall

Step 1: Wind bringing rainfall to Area A
The wind which brings rainfall to the shaded area A is $\text{Western Disturbance}$. These winds originate from the $\text{Mediterranean Sea}$ and cause winter rainfall in the northwestern parts of India.


Step 2: Wind bringing rainfall to Area B
The wind which brings rainfall to the shaded area B is $\text{Northeast Monsoon}$. These winds blow from the northeast direction and bring rainfall to the eastern coastal regions, especially Tamil Nadu and parts of Andhra Pradesh.

(ii)(b) Benefits of rainfall

Step 1: Benefits for Area A
The winter rainfall caused by $\text{Western Disturbance}$ is very important for $\text{rabi crops}$ such as wheat, barley, and mustard. It supports proper growth and increases agricultural productivity in northwestern India.


Step 2: Benefits for Area B
The rainfall brought by the $\text{Northeast Monsoon}$ is essential for agriculture in the eastern coastal regions. It helps in the cultivation of crops like rice, groundnut, and cotton. It also recharges groundwater levels in the region.