MCQOPTIONS
 Saved Bookmarks
				| 1. | 
                                    In controlling water pollution by Industrial wastes, which weed is found useful | 
                            
| A. | Elephant Grass | 
| B. | Water Hyacinth | 
| C. | Congress Grass | 
| D. | Ranunculus | 
| Answer» C. Congress Grass | |