Kingdom Protista Features · NCERT Biology

Dinoflagellates usually possess how many flagella?

  1. One, located at the apex
  2. Two: one longitudinal, one transverse
  3. Multiple, covering the entire body surface
  4. None, as they are non-motile
Show answer and explanation

Correct answer: Two: one longitudinal, one transverse

Most dinoflagellates possess two flagella. One lies longitudinally and the other transversely within a furrow between the stiff cellulose plates of the cell wall, enabling spiral movement.

Difficulty: Medium Question 12 of 20

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