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Biological Classification — BIOLOGY STD 11 Science — Question

Rajasthan BoardEnglish MediumSTD 11 ScienceBIOLOGYBiological Classification1 Mark
MCQ
Red tides in sea appear due to:
  • A
    Euglena.
  • B
    Chrysophytes.
  • C
    Dinoflagellates.
  • D
    Diatoms.
✓

Answer

  1. Dinoflagellates.

Explanation:

Red tides in sea appear is due to red dinoflagellates. Gonyaulax undergoes rapid multiplication and makes the sea apear red.

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