-->

Plant Kingdom

Question
CBSEENBI11003087

Water bloom is generally caused by

  • green algae

  • blue- green algae

  • bacteria

  • Hydrilla

Solution

B.

blue- green algae

Water blooms are formed by the growth of some micrscopic or semi- microscopic algae, such as, Anabaena, Arthrospira, Nodularia, Nostoc etc.

These are considered to be harmful because they are responsible for the depletion of oxygen in water bodies.