Question

Which is not a feature of Dinoflagellates?

• A. These are mostly fresh water and photosynthetic
• B. They release toxins
• C. They cause red tides
• D. Their cell wall has stiff cellulose plates on the outer surface

Answer 1

The correct option is A These are mostly fresh water and photosynthetic

Dinoflagellates are a large group of flagellate eukaryotes that constitute the phylum Dinoflagellata of the kingdom Protista. They are marine photosynthetic plankton. Many are thecate and have an internal skeleton of cellulose-like plates. They produce toxins and also cause red tide.