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Protista Characteristics

Easybiology

Which group within Protista is primarily responsible for 'red tides' due to population blooms?

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About This Question

Subject
biology
Chapter
diversity in living world
Topic
protista characteristics
Difficulty
Easy
Year
2025
Tags
ProtistaAlgal Blooms

Solution

Correct Answer:

Dinoflagellates

  1. Protista: The group of unicellular eukaryotes.
  2. Red Tides: These occur when specific organisms multiply rapidly (bloom), giving the sea a reddish color.
  3. The Culprit: Dinoflagellates like Gonyaulax undergo such rapid multiplication.
  4. Impact: They produce toxins that can kill other marine animals like fish.
  5. Structure: Dinoflagellates typically have two flagella and stiff cellulose plates on their outer surface.

This easy difficulty biology question is from the chapter diversity in living world, covering the topic of protista characteristics. It appeared in the 2025 exam.

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