Underground Water

Q. The water present beneath the surface of the earth is called ______.

1. surface water
2. ground water
3. lake water
4. sea water

Q.

The groundwater level of a particular area will increase if:

1. None of the above

2. Amount of rainfall < Amount of ground water used

3. Amount of infiltration > Amount of ground water used

4. Rate of evaporation < Amount of ground water used

Q.

Infiltration is a process in which ____ seeps inside the ground.

1. Wood

2. Ground

3. Filter paper

4. Everything

Q.

30% of the world's freshwater is found in the form of ________ .

1. glaciers
2. rivers
3. groundwater
4. lakes

Q. Explain the following terms

• Infiltration
• Leaching [2 MARKS]

Q.

Infiltration is a process in which rain water seeps inside the ___?

1. Wood

2. Ground

3. Filter paper

4. Everything

Q.

A man started to dig the ground. As he kept digging deeper and deeper he reached a level where all the spaces between particles of soil and gaps between rocks were filled with water. The upper limit of this layer is called

1. Water level

2. Water table

3. Water limit

4. Groundwater

Q.

What is groundwater?

1. The water above the ground during the rainy season.

2. The water in the ponds.

3. The water in tanks constructed above the ground.

4. The water that seeps through the soil and gets collected inside the ground.

Q. The water that comes down as rain infiltrates through the soil.

1. True
2. False

Q. People obtain ________ through tubewells and hand pumps.

1. wastewater
2. groundwater
3. surface water
4. seawater

Q. A man digging the ground near a water body found that the soil was moist.As he kept digging deeper and deeper he reached a level where all the spaces between particles of soil and gaps between rocks were filled with water. The upper limit of this layer is called:

1. water level
2. ground water
3. water table
4. water limit

Q. Aquifer is a source of groundwater.

1. False
2. True

Q. Water stored beneath the surface of the earth is called _________.

1. groundwater
2. sea water
3. rainwater
4. surface water

Q. Borewells are used to extract .

1. wastewater
2. rainwater
3. surface water
4. groundwater

Q. Anurag's friend visits his house for a weekend. He observes the following undesired practices without much care for water.\
i. Plants are watered to 3 times a day excessively.
ii.Taps are open running when not required.
iii.Cars are being washed by vrong methods leading to lot of wastage of water. He talks to Anurag about the wrong practices resulting in wastage of water and tells him that water should be used judiciously.
Answer the following questions based on the above information:
a.Which values are being neglected in the activities in the above situation?
b. What are the adverse effects of the activities observed that Anurag's house?
c. How can the values related to minimization of wastage of water in everyday life be promoted?