Which of these organisms exists as a filament? by Sunday | Apr 23 | Biology NECO | 0 comments A. Diatom B. Euglena C. Paramecium D. Spirogyra E. Volvox Correct Answer: Option D – Spirogyra Users Also Read These:The friction which exists between two layers of…Which of the following metals exists as liquid at…An example of organism which exists as a colony is?Oxidation of the filament in a light bulb is…An electric lamp rated 120W is used on a 240Vrms,…