The water collected from beneath the ground
Surface water
Undergroundwater
Canal water
None of this
The river having water throught the year
Dry river
Perennial river
non perennial river
Seasonal river
River having water only in particular season
unseasonal river
Rajasthan canal project is also known as
Farakka project
Rajeev Gandhi canal project
Indira Gandhi canal project
Kosi project
Catchment dams particularly in water deficiet areas
Check Dam
Dam
Watershed
Water Stress
Percentage of earth's surface is covered with water
About 2/3
About 3/4
About 1/4
About 1/2
Two main sources of irrigation in India
Canals
Ocean currents
Tubewells
Ponds
The process of removing dissolved salt from sea water
Electrodialisis
Salination
Desalination
Dehydration
The objectives of rain-water harvesting
To reduce surface run off
To recharge the water table
To avoid flooding of roads
All of these
The tract of land drained by a river and its tributaries
Drainage area
River area
Drainage Basin
