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Let  ’ s Ex er  cise
                    Let’s Exercise

            I.  Look at the given pictures and choose the correct option.










                      Pond                 Lake                Well              Tube well            Delta
                        A                   B                   C                   D                   E

               1.  An area of water larger than a pond.


                    i. E                 ii. D              iii. C              iv. B

               2.  A small area of water surrounded by land.

                    i. A                 ii. E              iii. C              iv. B


               3.  A man-made source of water.

                    i. B                 ii. C              iii. D              iv. A


               4.  A triangular deposit of sand, silt and clay.

                    i. C                 ii. E              iii. A              iv. B

               5.  A hole dug in the ground to get groundwater.


                    i. C                 ii. B              iii. E              iv. D


            II.  Fill in the blanks.

               1.   More than                          part of our earth’s surface is covered with water.


               2.                          is the most important source of water.


               3.  The place where a river begins is called                                 .

               4.  Water is used in some places to generate                                  .


               5.  Water must first be                             before it can be used.


           III.  Write T for true and F for false statements.

               1.   We can drink only 1% of all the water found in lakes, rivers and other
                    freshwater bodies.

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