What is Eicchornia called?AThe carrot grassBNile perchCWater hyacinthDWater lilyAnswer: C. Water hyacinth Read Explanation: Eichhornia crassipes also known as water hyacinth. It was first introduced from South America into China that later on became a serious environmental problem. It reduces the sunlight penetration and lowers the oxygen content in the water that hampers the water ecosystem. Read more in App