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NCERT solutions Science Class 7 chapter 16 Water: A Precious Resource

Chapters

NCERT Science Class 7

Science Textbook for Class  7

Chapter 16 - Water: A Precious Resource

Pages 203 - 204

Mark ‘T’ if the statement is true and ‘F’ if it is false:

The freshwater stored in the ground is much more than that present in the rivers and lakes of the world. (T/F)

Q 1.1 | Page 203

Mark ‘T’ if the statement is true and ‘F’ if it is false:

Water shortage is a problem faced only by people living in rural areas. (T/F)

Q 1.2 | Page 203

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 1.3 | Page 203

Mark ‘T’ if the statement is true and ‘F’ if it is false:

Rain is the ultimate source of water. (T/F)

Q 1.4 | Page 203

Explain how groundwater is recharged.

Q 2 | Page 203

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

Q 3 | Page 203

You have been asked to maintain a garden. How will you minimise the use of water?

Q 4 | Page 203

Explain the factors responsible for the depletion of water table.

Q 5 | Page 203

Fill in the blanks with the appropriate answers:

People obtain groundwater through _______ and ________.

Q 6.1 | Page 203

Fill in the blanks with the appropriate answers:

Three forms of water are ________________ and ________.

Q 6.2 | Page 203

Fill in the blanks with the appropriate answers:

The water bearing layer of the earth is ________.

Q 6.3 | Page 203

Fill in the blanks with the appropriate answers:

The process of water seepage into the ground is called ________.

Q 6.4 | Page 203

Which one of the following is not responsible for water shortage?

(1) Rapid growth of industries

(2) Increasing population

(3) Heavy rainfall

(4) Mismanagement of water resources

Q 7 | Page 204

Choose the correct option. The total water

1) in the lakes and rivers of the world remains constant.

2) under the ground remains constant.

3) in the seas and oceans of the world remains constant.

4) of the world remains constant.

Q 8 | Page 204

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

Q 9 | Page 204

NCERT Science Class 7

Science Textbook for Class  7
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