ERRORLESS BIOLOGY NEET & AIIMS (Set of 2 Volumes), NTA 2019 New Errorless Biology NEET and AIIMS (Set of 2 Volumes), NTA 2019, Universal Self Scorer Objective Book Universal Errorless Biology (NEET / AIIMS ) is an unparalleled prep book for medical aspirants. Based on the syllabus and exam pattern defined by National Testing Agency (NTA). The book comprises of a comprehensive set of question and answers based on current trends in the NEET & AIIMS and other Medical Exams.