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
Which of the following does not deplete the water table at a place?
increasing number of tube -wells
increasing deforestation
scanty rainfall
increasing snowfall
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
Dried sludge is used as
waste material
manure
cattle food
fuel
Which one of the following alter the natural flow of rivers leading to water scarcity.
Rains
Dams
Bridges
None of these
Plants use this gas during respiration
nitrogen
carbondioxide
oxygen
all the above
World water day is on
22nd March
20th March
22nd April
20th April
The water - bearing layer of the earth is called
conifer
hydrosphere
aquifer
water table
The falling of water from the clouds as rain or snow is called
condensation
precipitation
infiltration
transpiration
The water bearing layer of the earth is called
Evaporation
Aquifer
Ground water
Water cycle