R Ram Sharma 🎓 Coach ⭐ 193.88K Points 📊 Biology Q. Of which tissue nails, hoofs & horns are made of (A) Cutide (B) Chitin (C) Tunicin (D) Keratin 👁️ Show Answer 🔗 Share ⚡Menu ✅ Correct Answer: (D) Keratin You must be Logged in to update hint/solution 💬 Discussion 💬 Comment