A thing that floats on water
Piece of wood
Rupee coin
Iron nail
Potato
The use of land for agriculture resulted in
Deforestation
Heavy rains
Increase of water resources
Formation of rivers
A pupa of a mosquito grows into
Imago
Larva
Egg
None of the above
The system used to supply water for lands above the level of reservoirs is
Drip system
Pot system
Lift system
Sprinkling method
Delhi was built on the banks of the river
Krishna
Ganges
Hugli
Jamuna
These cool the atmosphere
Sun's rays
Hot winds
Gases
Trees
The biggest reservoir in our country is at
Pochampalli
Nagarjuna Sagar
Seeleru
Srisailam
A disease which is spread by a mosquito
Cholera
Polio
Typhoid
Chickun gunya
A water tanker can hold water upto several
Litres
Kilograms
Meters
Grams
Municipalities purify drinking water and supply into people after
Chlorination
Bottling
Filling in pots
Through carts