Q. Which of the following protist release toxins that may even kill fishes and other marine animal?
A) Euglena
B) Gonyaulax
C) Paramecium
D) Plasmodium
Explanation
Some dinoflagellates ($e.g$., Gonyaulax catenella) are poisonous to vertebrates. When they are in large number, they produce the toxin called saxitoxin into the sea water, which kills fishes and other marine animals
Reviewed by Dr. Abubacker
Physics Educator & NEET/JEE Specialist
Ph.D. in Physics with 19+ years of teaching experience.