R Ram Sharma 🎓 Coach ⭐ 193.88K Points 📊 Biology Q. Air bladder in fish acts as: (A) Primary respiratory organ (B) Hydrostatic organ (C) Accessory respiratory organ (D) Both accessory respiratory organ & hydrostatic organ 👁️ Show Answer 🔗 Share ⚡Menu ✅ Correct Answer: (B) Hydrostatic organ You must be Logged in to update hint/solution 💬 Discussion 💬 Comment