Rainfall patterns depend on
the underground water table
the number of water bodies in an area
the density pattern of human population in an area
the prevailing season in an area
Which of the following processes is involved in the water cycle?
Evaporation, hibernation and dehydration
Evaporation, condensation and precipitation
Paddling, swimming and drinking
Bathing, sunning and drinking
If there were no atmosphere around the earth, the temperature of the earth will
increase
go on decreasing
increase during day and decrease during night
be unaffected
Acid rain is
the rain of acids
evaporation of acids from the industries
rain water containing dissolved acids
none of the above
Soil erosion can be prevented by
raising forests
deforestation
excessive use of fertilizer
overgrazing by animals
What compounds are identified as contributing to acid rain?
carbon dioxide
sulphur oxides
mercury oxides
phosphates
Which sector is the single largest consumer of fresh water in India?
agriculture
industry
domestic
power
What happens when rain falls on soil without vegetational cover?
Rain water percolates in soil efficiently
Rain water causes loss of surface soil
Rain water leads to fertility of the soil
Rain water does not cause any change in soil
The atmosphere of the earth is heated by rediations which are mainly
radiated by the sun
re-radiated by land
re-radiated by water
re-radiated by land and water
Among the given options, which one is not correct for the use of large amount of fertilisers and pesticides?
They are eco-friendly
They turn the fields barren after some time
They adversely affect the useful component from the soil
They destroy the soil fertility