Question

Multiple choice questions MCQ choose the correct answer for each of the following:

1. which of the following is produced during wastewater treatment?
a. sludge
b. biogas
c. both a and b
d. none of these

2. increased growth of algae occurs due to the presence of of
a. nitrates
b. sulphates.
c. phosphates
d. carbonates

3. sewage treatment process involve
a. removal of solid material
b. sedimentation
c.aeration of clarified water.
d. all of these

4. which of the following are low cost on site sewage disposal system?
a. composting pits
b. chemical toilets
c. septic tanks
d. all of these

5. which of the following is a false statement?

a.Solid waste such as tea leaves and soft toys should be thrown in a dustbin.
b. cooking oil and fats should be thrown down the drains.
c. chemicals like paints and medicine should not be thrown down the drains.
d. polythene bags should not be thrown on roadside.
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Answer 1

Answer:

1.A

2.C

3.D

4.A

5.B

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