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4

Which of the following are the characters of dinoflagellates?
(i) They are planktonic golden yellow algae with soap box like structure.
(ii) They are marine red biflagellated protista.
(iii) They appear yellow, green, brown, blue and red in colour.
(iv) They are biflagellated organisms with pellicle.
(v) They are saprophytic (or) parasitic unicellular forms.

A. (ii) and (iii)

B. (ii) and (v)

C. (i), (ii) and (iii)

D. (ii), (iv) and (v)