Question

advantages and disadvantages of multi-purpose river projects class 10

Answer 1

The various advantages and disadvantages of multi-purpose river projects can be compared as given in the table below—   Advantages    1.  Irrigation of crops 2.  Electricity generation   3.  Water supply tor industrial and  domestic purposes  4.   Flood control    5.   Inland navigation  6.  Fish breeding  
disadvantages
1. Natural flow of river is affected causing poor flow of sediments also.
2.Excessive sedimentation of the reservoir.
3.Stream   beds become rockier, affecting marine life
4.  Dam fragments a river thus making it difficult for aquatic fauna to migrate and spawn.
5.Deforestation and displacement of local people.

Answer 2

Explanation:

A multipurpose project is that which simultaneously serves several purposes. A dam built across a river often serves more than one purpose at a time and it is termed as a multipurpose project. It comes with some advantages at the same time some disadvantages. The advantages are flood control in flood-prone areas, irrigation facilities, hydroelectricity, check soil erosion etc. On the other hand, it has disadvantages such as, it restricts the natural flow of the river and the sediments are deposited in the river bed, it causes deforestation and disturbs the aqua life of the river