You can solve the questions prepared for Physics, Chemistry and Biology lessons for free and anywhere you want without the need for internet. These questions have been prepared according to the relevant topics to assist the TYT AYT exams.You can search for an unfamiliar term from the terms Physics, Chemistry and Biology in the Glossary section to learn its meaning offline (without internet).In the questions section, your time is 20 seconds for each question. You have 3 wrong answers for each level you start. There are 5 levels each for biology, physics and chemistry lessons and you must have at least 70% success to unlock the next level. As of now, the total number of questions in the question bank is 300 on average. The questions in the question bank will be increased in the future.