J Jitendra Singh 🎓 Tutor III ⭐ 7.50K Points 📊 English Q. One word substitution for - Study of birds (A) Orology (B) Optology (C) Ophthalmology (D) Ornithology 👁️ Show Answer 🔗 Share ⚡Menu ✅ Correct Answer: (D) Ornithology You must be Logged in to update hint/solution 💬 Discussion 💬 Comment