NCERT Solutions for Class 7 Science Chapter 16 Water A Precious Resource

NCERT solutions for class 7 science chapter 16 water a precious resource exercise

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

(a) The freshwater stored in the ground is much more than that present in the rivers and lakes of the world. (T/F)
(b) Water shortage is a problem faced only by people living in rural areas. (T/F)
(c) Water from rivers is the only source for irrigation in the fields. (T/F)
(d) Rain is the ultimate source of water. (T/F)


(a) True

(b) False

(c) False

(d) True

  1. Explain how groundwater is recharged?


The rainwater and water from water bodies get accumulated in the aquifer deep underground. Then there are some rocks which prevent further sinking of water.

In this way, groundwater is recharged.

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


If they will draw water from the ground more than the rechargeable amount for the long term then the water table will go down.

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


Drip irrigation method will be very efficient in this case as water is required in good quantity for the plants.

So we can save a lot of water by this method.

  1. Explain the factors responsible for the depletion of water table.


The main factors responsible for the depletion of the water table are:-

(i) Increasing population so higher consumption.

(ii) Increasing industries

(iii) Agricultural activities

  1. Fill in the blanks with the appropriate answers:
  • (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 ________.


(a) tube wells and hand pumps

(b) ice, water and vapour

(c) aquifer

(d) infiltration

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

(i) Rapid growth of industries
(ii) Increasing population
(iii) Heavy rainfall
(iv) Mismanagement of water resources


Heavy rainfall cannot be responsible for water shortage. Instead if stored properly it can increase the groundwater level.

  1. Choose the correct option. The total water

(i) in the lakes and rivers of the world remains constant.
(ii) under the ground remains constant.
(iii) in the seas and oceans of the world remains constant.
(iv) of the world remains constant.


The total water of the world remains constant.

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


The required sketch is shown below:-

Responsive Table
Chapter No. Chapter Name
Chapter 1 NCERT solutions for class 7 science chapter 1 Nutrition in Plants
Chapter 2 NCERT Solutions for class 7 science chapter 2 Nutrition in Animals
Chapter 3 NCERT solutions for class 7 science chapter 3 Fibre to Fabric
Chapter 4 NCERT solutions for class 7 chapter 4 science Heat
Chapter 5 NCERT solutions for class 7 science chapter 5 Acids Bases and Salts
Chapter 6 NCERT solutions for class 7 science chapter 6 Physical and Chemical Changes
Chapter 7 NCERT solutions for class 7 science chapter 7 Weather Climate and Adaptations of Animals to Climate
Chapter 8 NCERT solutions for class 7 science chapter 8 Winds, storms and cyclones
Chapter 9 NCERT solutions for class 7 science chapter 9 Soil
Chapter 10 NCERT solutions for class 7 chapter 10 Respiration in Organisms
Chapter 11 NCERT solutions for class 7 science chapter 11 Transportation in Animals and Plants
Chapter 12 NCERT solutions for class 7 science chapter 12 Reproduction in Plants
Chapter 13 NCERT solutions for class 7 science chapter 13 Motion and Time
Chapter 14 NCERT solutions for class 7 science chapter 14 Electric Current and its Effects
Chapter 15 NCERT Solutions for class 7 science chapter 15 science Light
Chapter 16 NCERT solutions for class 7 science chapter 16 Water A Precious Resource-
Chapter 17 NCERT solutions for class 7 science chapter 17 Forests Our lifeline
Chapter 18 NCERT solutions for class 7 science chapter 18 Wastewater Story

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NCERT Solutions for Class 7 Science Chapter 16 Water A Precious Resource-
The CBSE NCERT Solutions for Class 7 Science Chapter 16 Water A Precious Resource- are very useful for students to prepare for final exams. Click to d
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