Page 333 - New Medley 4 Semester 1

 The main sources of fresh water are rain, rivers, lakes, snow and underground water.
 The rainwater goes into rivers, tanks and some of it gets collected as underground water.

 India has a good system of canal irrigation in the Northern Plains and in the coastal plains.
 Tank irrigation is widely practised in South India, Odisha, Maharashtra and West Bengal.

 The underground water is used through wells and tubewells.
 The shortage of water is due to unequal distribution and its excessive use.

REMEMBER THESE TERMS
Groundwater : Water stored under the soil.
Water Harvesting : Collection of rainwater and using it in agriculture.

Check Your Study

A. Tick () the correct answers.

1. Electricity is generated from it.

(a) Well (b) Tubewell (c) Dam

2. The type of irrigation mostly practised in South India is called
(a) well (b) pipe (c) tank

3. The main source of fresh waer in India is
(a) canal (b) river (c) rain

B. Write the differences between the following.

1. Fresh water and Salt water

2. River and Canal

C. Match the columns.

Column A Column B

1. Bhakra Dam (a) Mahanadi

2. Rihand Dam (b) Krishna river

3. Hirakud Dam (c) Satluj river

4. Nagarjuna Sagar (d) Kaveri river

5. Mettur (e) Son river

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