Which of the following aquatic plant is effective in preventing the water-pollution caused by industrial waste?
A
Water Hyacinth
B
Elephant Grass
C
Parthenium
D
B and C
Correct Answer: Water Hyacinth
Aquatic plant Water Hyacinth is effective in preventing the water-pollution caused by industrial waste. Water hyacinth multiplies rapidly in polluted environments & easily scavenges some in organic &organic compounds from water.