Page 1 - OUR ENVIRONMENT AND POLLUTION
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CHAPTER 14 – CHANGES IN OUR ENVIRONMENT


                                  TOPIC- OUR ENVIRONMENT AND POLLUTION




               OBJECTIVE QUESTIONS


               Q.1 Fill in the blanks:


                   a)  The substances that cause pollution are known as________.
                   b)  Plants provide us with ................... to breathe.

                   c)  Some ............................ convert atmospheric nitrogen into a form that
                       can be used by plants.

                   d)  Increased use of fuel for various human activities ___________ the air.
                   e)  The three important elements of our life are _______,___________

                       and________.

               Q.2 Choose the correct option:


                    i)     Which of the following is caused by air pollution:

                            a)  Cholera
                            b)  Typhoid

                            c)  Acid rain
                            d)  All of these

                    ii)    Which of the following is not involved in environment degradation:

                            a)  Cutting of forest
                            b)  Use of chemical fertilisers

                            c)  Birds eating the flesh of dead animals
                            d)  Increased use of fuel

                    iii)   Camels , horses and elephants are used for

                              a)  Transportation
                              b)  Dairy products
                              c)  Cooking

                              d)  None of these
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