Geography [5 Mark Question Answer]

1. Pacific ocean is the largest ocean and covers one-third of the globe. It is circular in shape and is bordered by volcanic mountains and is termed as ‘Ring of Fire’. The deepest part of earth i.e. Mariana Trench lies in this ocean near the Philippines.
2.
Ocean :

1. Oceans are large water bodies covering 97% of earth’s water.
2. There are the main 5 oceans eg. Pacific, Arctic, Atlantic, Indian and Southern Ocean.

Sea :

1. Sea is a part of the ocean that is smaller and shallower, located close to the edge of a landmass or continent.
2. There are many seas eg. The Caribbean Sea, Bering Sea, Arabian sea, North sea, etc.

Importance of Rivers — Rivers are an extremely important water resource:

1. The river valleys and plains provide fertile soils and crops grow in plenty in and around the region,
2. River water is used for human and animal consumption. Rivers provide abundant water supply to support large settlements.
3. Rivers provide means of transport to carry humans and goods from one place to another and thus facilitate trade.
4. River water is an important source of energy. It is used to power hydroelectric plants and helps in the generation of electricity. It also thus helps the industries to grow.
5. Rivers also provide the means for recreational activities.