During the rainy season, the level of water in a river is:
Increases
Decreases
Low
Normal
India's longest lake is:
Vembanad Kayal
Ashtamudi Kayal
Tsongmo Lake
Sambhar lake
An example for which don’t dissolve in water:
Salt
Cooking soda
Baking soda
Oil
Colour of the water is:
Blue
Green
White
Colourless
The best and simple method of cleaning water is:
Boiling
Warming
Cooling
Both 2 and 3
Which are strong walls built across a river to hold back the flow of water?
Wells
Tanks
Dams
Canals
If we put sugar into a glass of water it will:
Dissolve
Does not dissolve
Remains up
Remains middle
The most flood affected nation is:
Bangladesh
India
China
Japan
Largest fresh water lake in India is:
Ashtamudi
Wular
Tungabhadra
Sambhar
A small water body is called :
River
Flood
Pond
Sea