MCQOPTIONS
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				| 1. | 
                                    Which of the following species in water reveal the presence of fecal pollution of human or animal origin? | 
                            
| A. | Fecal Streptococci | 
| B. | E.coli | 
| C. | All of these | 
| D. | Clostridium perfringens | 
| Answer» B. E.coli | |