R Rohan Raj 🎓 Tutor III ⭐ 6.53K Points 📊 Biology Q. Polio is caused by (A) Bacteria (B) Virus (C) Fungus (D) Protozoa 👁️ Show Answer 🔗 Share ⚡Menu ✅ Correct Answer: (B) Virus You must be Logged in to update hint/solution 💬 Discussion 💬 Comment