Basic Knowledge is a free Android application developed by App Racks that aims to increase your knowledge on various topics. The app consists of over 1200 questions on topics such as Technology, Abbreviations, Adventure, Electronics and Computer, Life Science, Medical Science, Universe, Environment and more.

The app is user-friendly and easy to navigate, with a simple interface that allows you to select the topics you want to test your knowledge on. Each question has four multiple-choice options, and you can see the correct answer after you select your choice.

Overall, Basic Knowledge is a great app to challenge your general knowledge and learn new facts about various topics. It is a perfect app for anyone who wants to increase their knowledge on a wide range of subjects.