Question

11. Potable water is

• A. Ocean water
• B. groundwater at selected places
• C. river water
• D. ponds water

Answer 1

The correct option is B

groundwater at selected places

• Potable water is water that is considered safe to drink. It is also known as drinking water.
• Potable water is assumed to be reasonably free of harmful bacteria and contaminants and also considered safe to use in cooking and baking.

Explanation of correct option:

(B) groundwater at selected places:

• The water which is found below the surface of the earth is called groundwater.
• Groundwater at selected places is considered free from bacteria and impurities.
• Therefore, it is considered potable water.

Explanation of incorrect option:

(A) Ocean water:

• It is the largest source of water on earth but it contains a high concentration of salt.
• The water of the ocean is salty, which is unfit for use.
• Therefore, it is not potable water.

(C) river water:

• It contains minerals, impurities, and germs that make river water unfit for drinking.
• Therefore, it is not potable water.

(D) ponds water:

• It also contains bacteria and impurities that make ponds water unfit for drinking.
• Therefore, it is not potable water.

Conclusion: Hence, option (B) is correct.