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The famous Dal Lake, the house boats and shikaras, which attract thousands of tourists every year is in ............
Lakes of large extent are called the seas, like the Caspian, the Dead and the Aral seas.
Most lakes are permanent; some contain water only during the rainy season, like the lakes in the basins of inland drainage of semi-arid regions
There are some of the lakes which are the result of the action of glaciers and ice sheets, while the others have been formed by wind, river action, and human activities.
A meandering river across a flood plain forms cut-offs that later develop into
Spits and bars form lagoons in the areas, eg the Chilika lake, the Pulicat lake, the Kolleru lake.
The Sambhar lake is in.................... which is a salt water lake. Its water is used for producing salt.
Most of the fresh water lakes are in the Himalayan region
The Wular lake in Jammu and Kashmir, in contrast, is the result of the
The largest freshwater lake in India is...............
The damming of the rivers for the generation of hydel power has also led to the formation of Lakes
Guru Gobind Sagar is a man made lake found in which state?
Which one is correct about lakes?
A lake helps to regulate the flow of a river
During heavy rainfall, it prevents flooding and during the dry season
It helps to maintain an even flow of water
Lakes can be used for developing hydel power
All the above
Which one is incorrect about lakes?
They moderate the climate of the surroundings
Maintain the aquatic ecosystem
They can not provide recreation
Enhance natural beauty and help to develop tourism.
Rivers are used for :-
all of the above
The growing domestic, municipal, industrial and agricultural demand for water from rivers naturally affects the quality of water. As a result, more and more water is being drained out of the rivers reducing their volume
The Ganga water is able to dilute and assimilate pollution loads within.......... of large cities.
HOW RIVER WATER GETS POLLUTED?
UNTREATED SEWAGE FROM HOMES ARE OFTEN DISPOSED OFF INTO RIVERS.
●RAIN WASHES OFF THE HUMAN EXCRETA AND ANIMAL WASTE NEAR THE WATER SOURCES.
●FARMERS USE CHEMICAL FERTILIZERS AND PESTICIDES IN THEIR FIELDS . THEY GET WASHED OFF BY RAIN INTO WATER SOURCES
●MANY INDUSTRIES PRODUCE WASTE MATERIALS WHICH ARE OFTEN DISCHARGED INTO RIVERS.
ALL THE ABOVE.
Ganga Action Plan (GAP) phase-I, initiated in 1985, were declared closed on 31st March 2000
The expanded NRCP now covers................... located along 27 interstate rivers in 16 states. Under this action plan, pollution abatement works are being taken up in 57 towns.