Home Biology Biological Classification Kingdom–Protista Dinoflagellates have
Biology Biological Classification Kingdom–Protista Single Correct MCQ
Published on: August 12, 2026

Dinoflagellates have

A
two flagella, which lie longitudinally
B
only one flagellum in the transverse groove between the cell plates
C
only one flagellum in the longitudinal groove between the cell plates
D
one flagellum lies longitudinally and the other transversely in a furrow between the wall plates

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Verified by Experts
The correct answer is:
D

Dinoflagellates have two flagella: one lies longitudinally and the other lies transversely in grooves between their cell wall plates, helping in their characteristic spinning movement.

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