The transfer of water from water bodies to atmosphere and return back is called:
NTS PST15/12/2019 (11:30)
a) evaporation
b) condensation
c) water cycle
d) transpiration
Soil:
What are the main types of soil?
a) silt, sand and rock
b) clay, humus and sand
c) sand, silt and clay
d) silt, humus and clay
Which of the following is/are the component/s of soil?
a) Nutrients
b) Decomposers
c) Water
d) all of these
What is the role of living organisms in the soil?
a) making soil soft and airy
b) making soil hard
c) making the air dry
d) make soil unfit for cultivation
What is important in the natural manure?
a) the decayed matter
b) minerals
c) salts
d) none of these
Clay particles are very………in size.
a) large
b) extra-large
c) small
d) none
