✅ Yes – if you have already finished NCERT and want to practice extensively for CBSE exams. ❌ No – if you are struggling with basic concepts; first master NCERT and take teacher’s help. Bottom line : Xam Idea Class 11 is an excellent question bank , not a textbook. Use it wisely in the last 2–3 months before exams, and it will significantly boost your confidence and speed. Would you like a chapter-wise breakdown for any specific subject (Physics, Chemistry, Maths, or Biology)?