RRB NTPC · Question 84
What is the most poisonous fish? A. Pufferfish B. Porcupinefish C. Piranhas) D. Angler fish
Show answer & explanation
Answer: (B) A
Explanation
The pufferfish contains tetrodotoxin, a nerve poison far deadlier than cyanide; it is considered the most poisonous fish (eaten as fugu in Japan).