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Question

Identify the alga known for a biological activity called bioluminescence

A
Chlorella
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B
Spirogyra
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C
Cyclotella
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D
Noctiluca
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Solution

The correct option is B Noctiluca
Noctiluca is a colourless dinoflagellate which is an important constituent of coastal plankton of both temperate and tropical seas. Nutrition is holozoic. This alga is known for a biological activity called bioluminescence. It was the first dinoflagellate where bioluminescence was reported. Bioluminescence is a property by which organism emits light from its body surface by the luciferin-luciferase reaction.

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