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Biology 12 Ch-27 BIOLOGY AND HUMAN WELFARE- 54
1.
Which treatment removes suspended biological matter?
Primary treatment
Tetra treatment
Tertiary treatment
Secondary treatment
2.
Which treatment removes dissolved biological matter?
Tetra treatment
Secondary treatment
Primary treatment
Tertiary treatment
3.
Which treatment is performed by indigenous micro-organisms in a managed habitat?
Secondary treatment
Tertiary treatment
Primary treatment
Tetra treatment
4.
Which treatment is performed by water-borne micro-organisms in a managed habitat?
Secondary treatment
Primary treatment
Tetra treatment
Tertiary treatment
5.
Which process is used to remove micro-organism from the treated water in secondary treatment?
Separation process
Sublimation process
Distillation process
Crystallization process
6.
In which treatment, treated water is disinfected chemically?
Tertiary treatment
Ultra-treatment
Primary treatment
Secondary treatment
7.
In which treatment, treated water is disinfected physically?
Tertiary treatment
Primary treatment
Ultra-treatment
Secondary treatment
8.
What can be irrigated by water treated by tertiary treatment?
For the irrigation of a park
All of these
For the irrigation of green way
For the irrigation of golf course
9.
What will be the use of water if water is sufficiently clean, by tertiary treatment?
For home purposes
For dental purposes
For agricultural purposes
For commercial purposes
10.
What will be the use of water if water is sufficiently clean, by tertiary treatment?
For commercial purposes
For dental purposes
For home purposes
For groundwater recharge
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