Quill - The Padhai App’s Biology Online Test Series for NEET-UG offers an exam-like experience. The test series contains 30 Topic Tests, 10 Revision Tests and 5 Model Tests. Each test can be attempted once per user. Give your tests anytime, anywhere through your smartphone. Train to solve questions ranging from easy to difficult. At the end of each test, you will get a Detailed Graphical Report, Answer Keys and Explanations. Unlock the door to your dream institute with Quill the Padhai App!