Ground Water

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Question 2
Explain how groundwater is recharged?

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Question 9
Make a sketch showing groundwater and water table. Label it.

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What is Bawri and explain about it?

Q. Groundwater cannot be drawn out using a:

1. tubewell
2. handpump
3. borewell
4. dam

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Question 3
There are ten tube wells in a lane of fifty houses. What could be the long-term impact on the water table?

Q. Rainwater seeping into the ground is

1. condensation
2. sedimentation
3. infiltration
4. precipitation

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Question 1 (c)
Mark ‘T’ if the statement is true and ‘F’ if it is false.
(c) Water from rivers is the only source for irrigation in the fields. (T/F)

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If we try digging a hole in the ground, we will observe that the soil appears to have more moisture as we keep digging. It can be concluded that there is a presence of water underground.

1. True

2. False

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Question 10

Which of the following inhibits the seepage of rainwater into the ground?
(a) A pukka floor
(b) Playground
(c) Grass Lawn
(d) Forest land

Q.

Which of the following inhibits the seepage of rainwater into the ground?

1. Pucca floor

2. Playground

3. Grass lawn

4. Forest land

Q.

In India, agriculture depends only on the rainfall.

1. True

2. False

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Question 19

In towns and cities, generally, the borewells have to be dug very deep to get water as compared to bore wells dug in villages. Give suitable reasons.

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Question 15

Fill in the blanks in the given passage.
The rainwater and __ from other sources such as rivers and ponds seeps through the __ and fills the empty spaces and cracks deep below the ground. The process of seeping of water into the ground is called __.

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Question 1 (b)
Mark ‘T’ if the statement is true and ‘F’ if it is false.
(b) Water shortage is a problem faced only by people living in rural areas.

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Question 6
Fill in the blanks with the appropriate solutions:

(a) People obtain groundwater through __ and __.
(b) Three forms of water are __, __ and __.
(c) The water bearing layer of the earth is __.
(d) The process of water seepage into the ground is called __.

Q.

People obtain groundwater through________ and ________.

Q. Mention two sources of groundwater. How is groundwater recharged?

Q.

State whether the following statements are true or false. If false, give the correct statement.

(a) The process of seeping of water into the ground is called filtration.

(b) 51% of the earth’s surface is covered with water.

(c) The year 2003 was observed as the International Year of Freshwater.

(d) Snow and ice both are solid forms of water.

Q. Rain and snowmelt that infiltrates the ground is called

1. infiltrate
2. run off
3. backflow
4. groundwater

Q.

The seeping of rainwater is one of the major sources of ground water.

1. False

2. True

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Explain how industrial activities, agricultural activities, deforestation, construction work and increase in population decrease the water table? [5 MARKS]

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What are the various sources of groundwater? [2 MARKS]

Q. Water table is replenished by rain.

1. True
2. False

Q.

Which of the following factors will not result in groundwater depletion?

1. Agricultural activities

2. Excessive rainfall

3. Increase in population

4. Industrialization

Q.

Mark ‘T’ if the statement is true and ‘F’ if it is false: Water from rivers is the only source for irrigation in the fields. (T/F)

Q. People obtain ________ through tubewells and hand pumps.

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

Q. What can happen to the water level if too many wells are placed together?

1. The water table will rise
2. The water table will fall
3. The rivers will all run dry
4. There will be a reduction in rainfall

Q.

When the surface of Earth is dug deeper and deeper, we reach a level where all the spaces between particles of soil and the gaps between rocks are filled with water. What is the upper limit of this layer called?

1. Aquapet

2. Groundwater

3. Water table

4. Ponds

Q. Groundwater gets recharged by the process of:

1. pumping
2. heavy rainfall
3. infiltration
4. none of the above

Q.

Question 4

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
(a) water level
(b) water table
(c) groundwater
(d) water limit