According to the world bank, UNICEF, United Nations water reports, the percentage of increase in water consumption from now 2050
a) 70 %
b) 90 %
c) 30%
d) 42%
According to the world bank, UNICEF, United Nations water reports, the percentage of total water wasted each day by the world’s water pipelines……..
a) 7 %
b) 9 %
c) 30%
d) 40%
According to the world bank, UNICEF, United Nations water reports, the percentage of dams around the world used for irrigation……..
a) 70 %
b) 48 %
c) 38%
d) 12%
Make a Model for Drip and Sprinkler Irrigation System:
Drip irrigation or
trickle irrigation is a type of micro-irrigation system that has the potential
to save water and nutrients by allowing water to drip slowly to the roots of
plants, either from above the soil surface or buried below the surface.
Why both
sprinkle and drip irrigation system are used?
a) to save energy
b) to save
labor
c) to save water
d) to save land
In the process of drip system irrigation, the water reaches directly to the…….
a) flowers
b) air
c) roots
d) leaves
