Water Pollution Prevention

Q.

Water contamination leads to death of aquatic species because:

1. it lowers the pressure of water

2. it purifies the water

3. it decreases the temperature of water

4. contaminated water contains bacteria

Q.

Water can be saved by:

1. Reusing the water used for washing vegetables

2. Reducing use of water by closing taps while brushing

3. Recycling water by storing it in filter unit

4. All of these

Q.

Identify the foul practices by which we have been damaging the Ganga river.

1. Throwing large quantities of garbage

2. Pushing untreated sewage

3. Cremation of dead bodies

4. Taking bath on the banks

Q.

The government project launched to save Ganga from contamination was _____

1. Ganga Recovery Plan, 1990

2. Save holy River, 1985

3. Ganga Action Plan, 1985

4. Save Ganga, 1985

Q.

Which one of the following is not used for disinfection of drinking water?

1. Chlorine

2. Ozone

3. Chloramine

4. Phenyl

Q.

The shipment of waste from country to another country is called:-

1. Fly tipping

2. Illegal dumping

3. Environmental dumping

4. Fly dumping

Q. Which of the following contributes to water pollution?

1. Industrial effluents into the water bodies
2. Dumping of plastic bags into the water bodies
3. Oil spills in the seas or oceans
4. Excessive growth of aquatic life

Q. The Great Pacific Garbage Patch has been created due to extensive water.

1. decontamination
2. pollution
3. purification

Q. Which of the following is a reason for water pollution?

1. Dumping of plastics
2. Afforestation
3. Melting of glaciers
4. Drought

Q. Sewage consists of more than 99% of .

1. waste water
2. solid matter
3. gases