ERRORLESS BIOLOGY NEET 2021 by Universal Books is an all-in-one prep book for medical aspirants. Based on the syllabus and exam pattern defined by National Testing Agency (NTA) and NCERT. The book comprises of a comprehensive theory of each chapters, 13,000+ fully solved question based on current trends in the NEET and other Medical Exams including KVPY, NCERT Exemplars and Last 32 Years of Medical Examinations. Largest Selling Objective book for NEET UG Prep