1) The water supply system means

• (a) the entire scheme of collection and disposal of liquid waste
• (b) the complete layout from the source of supply to the distribution
• (c) construction of reservoirs
• (d) construction of canals

2) The water obtained from the tube wells is known as

• (a) surface water
• (b) sub-surface water
• (c) run-off
• (d) potable water

3) The water obtained from a lake is known as surface water.

• (a) Agree
• (b) Disagree

4) The water obtained from ................. is generally known as underground water.

• (a) infiltration galleries
• (b) springs
• (c) rivers
• (d) wells

5) The water obtained from ................. is generally known as sub-surface water.

• (a) rains
• (b) rivers
• (c) reservoirs
• (d) artesian wells