Waste Water Management Worksheet-1

Waste Water Management Worksheet-1

1. Waste water is

(a) water from leaking tanks

(b) Water released in industrial waste

(c) water in drains of town

(d) All of these

2. Clean drinking water can be obtained by

(a) Sedimentation

(b) Filtration

(c) Chlorination

(d) A combination of all of these

3. Which of the following is the correct sequence for urban water supply?

(a) Reservoir, pipes, river, kitchen, filtration

(b) River, reservoir, pipes, filtration, kitchen

(c) River, filtration, reservoir, pipes, kitchen

(d) River, reservoir, filtration, pipes, kitchen

4. The slurry mass left after secondary treatment of waste water is

(a) Scum                                         (b) Sludge

(c) Effluent                                    (d) None of these

5. A waterborne disease is

(a) Polio             (b) malaria        (c) Cholera        (d) Flu

6. The practice of consuming water at an optimum level without wasting it refer to

(a) Reuse           (b) Refuse          (c) Reduce         (d) Recycle

7. Sewage is a kind of

(a) Agriculture waste

(b) Mining waste

(c) Domestic waste

(d) Agriculture waste & Domestic waste

8. Open drains are a hazard because

(a) They become the cause of spreading malaria and dengue

(b) Emit foul smell

(c) Solid wastes may block the water flow

(d) All of these

9. Which of the following is an eco-friendly fuel?

(a) Coal              (b) Petrol           (c) Diesel           (d) Biogas

Answer Key:

1. (d)
2. (d)
3. (d)
4. (d)
5. (c)
6. (c)
7. (c)
8. (d)
9. (d)