Which of the following is not a characteristic of dinoflagellates?

1. Mostly fresh water and photosynthetic
2. Cell wall with stiff cellulosic plates
3. Two flagella
4. Various colored pigments in the cell
Subtopic:  Kingdom Protista: Dinoflagellates |
 74%
From NCERT
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The phenomenon of red tides is associated with blooms of:

1. Zooxanthelle 2. Gonyaulax
3. Blue green algae 4. Ctenoplana and Beroe
Subtopic:  Kingdom Protista: Dinoflagellates |
 94%
From NCERT
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