Download App

Biological Classification — BIOLOGY STD 11 Science — Question

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

Answer

Correct option: C.
Dinoflagellates.
Red tides in sea appear is due to red dinoflagellates. Gonyaulax undergoes rapid multiplication and makes the sea apear red.

Need a full question paper?

Generate a complete, print-ready paper with questions like this in minutes — across 16+ boards, with answer keys.

Start Generating Free

Explore more

More "M.C.Q (1 Marks)" from Biological Classification→Biological Classification — all question types→BIOLOGY STD 11 Science question papers→Gujarat Board STD 11 Science question papers→Gujarat Board question paper generator→

Similar questions

Ammonia is the chief excretory substance in
→
Fish which can be used in biological control of mosquitoes$/$ larvicidal fish is:
→
Select an incorrect statement w.r.t. cell cycle
→
Cotton threads are made of:
→
Brush bordered epithelium is found in
→
Significance of Kreb’s cycle
→
Parenchyma cells in between xylem and phloem bundles in roots are called as
→
The subunit of capsid is called
→
In which type of cell division the number of chromosomes decreases?
→
Which of the following is present in Calvin cycle
→