A) green algae
B) blue-green algae
C) bacteria
D) Hydrilla
Correct Answer: B
Solution :
Water blooms are formed by the growth of some microscopic or semi-microscopic algae such as Anabaena, Arthrospira, Nodularia Nostoc etc. Water blooms may be harmful because they are indirectly responsible for fish mortality due to depletion of oxygen.You need to login to perform this action.
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