Bacteria in water cause the disease.
Cold
Fever
Body Pains
Cholera
What percentage of the earth's surface is covered with water?
about 51%
about 21%
about 71%
about 81%
Check- dams were built on the river Rukmavati and its tributaries in Gujarat mainly to
generate hydropower
grow paddy crop
provide water to wild animals
recharge groundwater
Which of the following does not deplete the water table at a place?
increasing number of tube -wells
increasing deforestation
scanty rainfall
increasing snowfall
Which of the following process will be affected due to water scarcity on plants?
A. Evaporation
B. Photosynthesis
C.Respiration
D. Traspiration
A and B
B and C
A and C
B and D
Dried sludge is used as
waste material
manure
cattle food
fuel
The minimum amount of water recommended by the United Nations per person per day is
25L
50L
75 L
40L
Organic impurities present in waste water
Pesticides
Nitrates
Phosphates
Metals
The falling of water from the clouds as rain or snow is called
condensation
precipitation
infiltration
transpiration
Plants use this gas during respiration
nitrogen
carbondioxide
oxygen
all the above
