Multiple choice

A number of algae have a capacity to change their colour in relation to the wavelength of the incident light. This change is described as:

  1. Gaidukov phenomenon

  2. Fluorescence

  3. Phosphorescence

  4. Bioluminescence

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A Correct answer
Explanation

Gaidukov phenomenon is defined as variation of colours in some cyanobacteria with respect to the change in wavelength of light.