R Ram Sharma 🎓 Coach ⭐ 193.88K Points 📊 Biology Q. The main active constituent of tea and coffee is (A) Caffeine (B) Nicotine (C) Aspirin (D) Chlorophyll 👁️ Show Answer 🔗 Share ⚡Menu ✅ Correct Answer: (A) Caffeine You must be Logged in to update hint/solution 💬 Discussion 💬 Comment