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Sources of water pollution

Total questions: 14

Worksheet time: 1hrs 10mins

Name
Class
Date
1.

Which of the following is not a major source of organic pollution?

a)

Domestic sewage effluent

b)

Farm run-off

c)

Paper industry

d)

Power stations

2.

Which of the following statements about acid mine drainage is correct?

a)

The low pH of acid mine drainage is caused by the hydrochloric acid.

b)

Acid mine drainage can contain a cocktail of toxic chemicals.

c)

Acid mine drainage contains a large number of pathogens.

d)

Acid mine drainage is a source of organic pollution.

3.

Which of the following is a non-point source of marine pollution?

a)

Discharges from shipping operation including ballast waters.

b)

Dumping of dredging spoils at designated sites.

c)

Warm water discharged from a power generating station.

d)

Oil spill from a tanker.

4.

Which of the following forms of pollution do ballast waters contribute to?

a)

Thermal pollution and spread of disease.

b)

Oil pollution and spread of invasive species.

c)

Oil pollution and thermal pollution.

d)

Thermal pollution and noise pollution.

5.

Most aquatic species have a particular range of temperatures they can survive well in. If it gets too cold or too hot they can't survive. When temperatures get too warm the amount of dissolved oxygen decreases too much aquatic species will not be able to breathe. Which of these contributes to thermal pollution.

a)

Tanneries

b)

Landfills

c)

Power plants

d)

Mine drainage

6.

Which of the following does not affect oxygen levels?

a)

temperature

b)

turbulence

c)

composition

d)

respiration

7.

Which of the following are the primary causes of water pollution?

a)

Plants

b)

Animals

c)

Human activities

d)

None of these

8.

Materials used to increase the crop production are called ____________.

a)

Pollution

b)

Pesticides

c)

Pollutants

d)

Fertilizers

9.

What are the main sources of water pollution in India?

a)

a) Municipal sewage

b)

b) Bathing

c)

c) Industrial discharge

d)

d) Both a and c

10.

What are the main sources of water pollution?

a)

Plastic, Paper, and Metal

b)

Snails in water

c)

Help, there is a boot with a snake inside of it that somehow in the nearby lake.

d)

Agriculture, Industry, and Community

11.

Which of the following is attributed to nitrogen pollution

a)

Bacterial infections

b)

Water temperature rising

c)

Algal blooms

12.

What do algal blooms deplete from the water that causes damage to underwater vegetation?

a)

Oxygen

b)

Nutrients

c)

Food

d)

Carbon dioxide

13.

Turbidity- cloudy water caused by suspended matter- reduces the amount of what?

a)

Oxygen

b)

Sunlight

c)

food

d)

Carbon dioxide

14.

When the cause of pollution can be traced to a single source this is called

a)

Origin source pollution

b)

Root pollution

c)

nonpoint source pollution

d)

point source pollution