Which is the best way of irrigating crops?
Open wells
Closed wells
Step wells
Canals
The largest ocean on earth is the:
Pacific ocean
Atlantic ocean
Indian ocean
Arctic ocean
Which is a source of fresh water on the earth?
Seawater
Glaciers
Ocean water
Brackish water
Which planet supports life?
Earth
Mercury
Venus
Mars
What percentage of earth is made up of water?
70 %
60%
80%
50%
Which statement is true?
Plants use water to prepare food for themselves.
Plants don’t need water.
Plants need less water than animals do.
Plants make food without help of water.
What are dug wells?
Tube wells
When is World Water Day celebrated?
22nd March
23 rd March
24th March
22nd May
The traditional method of obtaining groundwater in rural areas is:
On the bank of which river, did Kolkata city develop?
Yamuna
Ganga
Gomti
Narmada
