Which feature is NOT characteristic of red algae (Rhodophyceae)?
AThe presence of r-phycoerythrin in the body
BCell wall containing cellulose and pectin
CStored food in the form of floridean starch
DPresence of biflagellate motile zoospores
Answer & Solution
Correct answer: D. Presence of biflagellate motile zoospores
Red algae LACK flagella in any phase. They are wholly non-motile in their spores and gametes. The other three features (phycoerythrin, cellulose-pectin walls, floridean starch) are all red-algal traits.
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