question_answer

  Consider the following statements and select the correct answer using the code given below:

1. Watershed is a natural unit draining run-off water to a common point.

2. It can be demarcated based on ridge and valley lines.

3. The size of the watershed can be selected depending upon the possibilities of developing it completely within 3-5 years.

4. The aim of watershed management is to control soil erosion and get sustained yield of crops per unit area per unit time.

Code:

A)  1, 2 and 3 are correct    

B)  1, 3 and 4 are correct

C)  2, 3 and 4 are correct    

D)  1, 2, 3 and 4 are correct