Dinoflagellates are called as fire algae due to which character?

They appear like fire due to pigments

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They produce fire due to friction

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They occur on burnt places

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They show bioluminiscence

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Solution

The correct option is D They show bioluminiscence
Dinoflagellates are the bioluminiscent algae. They have pigment luciferin, which is acted upon by the enzyme luciferase causing production of light without any heat, thus the name fire algae. The enzymatic reaction of pigment produces light; pigment itself does not impart the fire-like appearance.

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