Which natural process continuously converts some of the saline sea water into freshwater?
Evaporation
Transpiration
Infiltration
Water cycle
Which of the following is not responsible for water shortage?
rapid growth of industries
increasing population
heavy rainfall
mismanagement of water resources
World water day is on
22nd March
20th March
22nd April
20th April
What percentage of the earth's surface is covered with water?
about 51%
about 21%
about 71%
about 81%
Plants use this gas during respiration
nitrogen
carbondioxide
oxygen
all the above
Which of the following is not an effect of acute scarcity of water on plants?
shortage of food
shortage of oxygen
shortage of carbondioxide
shortage of rainfall
Percentage of fresh water available on the globe
97%
20%
10%
1%
The falling of water from the clouds as rain or snow is called
condensation
precipitation
infiltration
transpiration
Dried sludge is used as
waste material
manure
cattle food
fuel
Bacteria in water cause the disease.
Cold
Fever
Body Pains
Cholera
