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Rapid multiplication of the following protistan make the sea appear red (red tides)

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a
Euglena
b
Diatoms
c
Gonyaulax
d
Trypanosoma

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detailed solution

Correct option is C

Gonyaulax is a dinoflagellate, whose rapid multiplication makes the sea appear red (red tide). Toxins released by this organism may kill the marine fauna like fishes. Diatoms, do not cause red tides. Euglena is a freshwater form and green in color. Trypanosoma is a parasite in humans.


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