https://foxoyo.com/mcq/131387/what-are-the-characters-of-dinoflagellates-1-planktonic-golden-yellow-algae-with-soap-box-like-structure-2-marine-red-biflagellate-protista-3-appear-yellow-green-brown-blue-and-red-in-colour-4-biflagellate-organisms-with-pellicle-5-saprophytic-or-parasitic-unicellular-forms