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SAI INTERNATIONAL SCHOOL
                                                      CLASS-VII

                                            SUBJECT - CHEMISTRY
                                TOPIC- MANAGEMENT OF WASTE WATER

                                        SUB TOPIC- SEWAGE SYSTEM

               OBJECTIVE

               MCQs

                 Sl.                                Questions                                  Mar     Skil
                 No.                                                                           k       l
                 Q.1  Which of the following waste do not cause water pollution?               1       U

                           a)  Leakage from landfill.
                           b)  Domestic waste
                           c)  Water treatment plant
                           d)  Industrial waste

                 Q.2                                                                           1       U
                       This is not an example water-borne disease?
                           a)  Small pox
                           b)  Typhoid
                           c)  Cholera
                           d)  jaundice

                 Q.3  Which one of the following is not a domestic waste?

                           a)  Vegetable peels
                           b)  Soap
                           c)  Pesticides
                           d)  detergents


                 Q.4    Q4.     Which one of the following is incorrect statement?             3       U

                                   a)  Leakage from sewer lines can contaminate the underground water.
                                   b)   Exposed draining of sewage from hospitals can cause communal
                                       health problems.
                                   c)  Oil spill a huge concerns large amount of oil enters into the sea and
                                       cause problem to aquatic plants and animals.
                                   d)  Mining activates do not cause any pollution.






               SUBJECTIVE


                 Sl.                                Questions                                  Mar     Skill
                 No.                                                                           k




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