Page 1 - TYPES OF POLLUTION
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CHAPTER 14 – CHANGES IN OUR ENVIRONMENT


                                            TOPIC- TYPES OF POLLUTION


                       (WATER POLLUTION, LAND POLLUTION AND NOISE POLLUTION)




               OBJECTIVE QUESTIONS


               Q.1 Fill in the blanks:


                   a)  Land pollution is caused by __________, ___________ and solid wastes.
                   b) Presence of undesirable substances in water is known as________.

                   c)  Dumping garbage on land act as a breeding ground for many__________
                       and ________.

                   d)  Short time exposure to loud noise can cause __________.
                   e)  Loud speakers are the sources of ________ pollution.


               Q.2. State whether the following are true or false.

                    a)  Disposal of industrial waste in water bodies cause water pollution.

                    b)  Typhoid is a disease caused by breathing contaminated air.
                    c)  Deforestation exposes the soil to wind and water, making it more prone

                       to soil erosion.
                    d)  Playing loud music is good for our ears.

                    e)   Burning of fire crackers does not cause water pollution.




               SUBJECTIVE QUESTIONS


                   Q1. Look at the picture given below:


                     i.   Identify the kind of pollution you
                          can see in this picture.
                     ii.   What are the causes of this kind
                          of pollution?
                    iii.   Write any two diseases caused
                          by such pollution.
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