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
The water bearing layer of the earth is called
Evaporation
Aquifer
Ground water
Water cycle
Organic impurities present in waste water
Pesticides
Nitrates
Phosphates
Metals
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
The minimum amount of water recommended by the United Nations per person per day is
25L
50L
75 L
40L
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
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
The water - bearing layer of the earth is called
conifer
hydrosphere
aquifer
water table
Which of the following does not deplete the water table at a place?
increasing number of tube -wells
increasing deforestation
scanty rainfall
increasing snowfall
