Wells dug on the roadsides, along the highway by some kings or religious groups for long distance travellers called
piaos
baoli
tubewell
open well
Which city is called as city of stepwells?
Jalor
Kota
Baran
Bundi
Rani ka Var is situated in
Rajasthan
Gujarat
Delhi
Uttar Pradesh
How much of the earth is covered with water?
3/4
1/3
4/5
1/2
Water requirement increases in
Winters
Summers
Monsoons
Is same throughout the year
A tank with steps on all sides is called
Tube well
Step well
Well
None of these
The percentage of fresh water on the earth is
4%
2.85%
1.11%
3%
An ancient device that was used to water fields is a
Water pump
Sprinkler
Water wheel
The disease Cholera , Typhoid and Jaundice are due to pollution of
air
water
food items
none of these