The NEET UG syllabus is based on topics from Physics, Chemistry, and Biology taught in Classes 11 and 12 according to the NCERT curriculum and guidelines from the National Medical Commission (NMC). Physics topics include mechanics, thermodynamics, electricity, magnetism, optics, and modern physics. Chemistry covers physical chemistry, organic chemistry, and inorganic chemistry. Biology includes plant physiology, human physiology, genetics, evolution, ecology, biotechnology, and reproduction. The syllabus is periodically revised to align with NCERT changes, and candidates are advised to refer to the official syllabus released by the NTA each year.