Pollution of Water Bodies

Q.

List and explain the different sources of water pollution.

Q. Which of the following are water pollutants?

1. Discharge of wastewater from industries.
2. Oil spills.
3. Untreated domestic sewage.
4. Littering.

Q.

Natural water is usually impure. Name three kinds of impurities present in the natural water.

Q. What is the other name for Trash Island in Pacific ocean?

1. Pacific Dustbin
2. Pacific Patch
3. Great Pacific Garbage Patch
4. Dirty Pacific Patch

Q. The Great Pacific Garbage Patch is also known as the __________.

1. Garbage Island
2. Trash Island
3. Dump Patch
4. Dump Island

Q. Some methods to reduce water pollution are:

1. Discharging treated waste into water.
2. Recycling waste water.
3. Using plastic products as much as possible.
4. Avoid littering in the rivers and lakes.

Q.

Why is sea water unsafe for drinking and irrigation?