Home ยป Which one of the following shows isogamy with non-flagellated gametes? Plant kingdom MCQs Which one of the following shows isogamy with non-flagellated gametes? January 31, 2022 5 Views Q. Which one of the following shows isogamy with non-flagellated gametes? A. Sargassum B. Ectocarpus C. Ulothrix D. Spirogyra Answer: Spirogyra