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Lesson-10 (Pollution)





               Objective questions:

               A. Choose the correct option:


                  1.  ___________ causes soil pollution.
                          a.  pesticides

                          b.  water
                          c.  blowing of horn

                  2.  Tree plantation along roadside will control________.
                          a.  Water pollution

                          b.  Air pollution
                          c.  Noise pollution

                  3.  Loud noise can cause______________.
                          a.  asthama
                          b.  loss of hearing

                          c.  skin problem

                   4. An ecosystem located under water is called_________.


                                   a. Aquatic life


                                    b. animals


                                     c. Human beings
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