Look at this external hard disk for the combine study of biology and chemistry subject of 11th class. The e- study materials are prepared by experts in the particular field and can be used for detail study of medical entrance exam preparation . This external hard drive contains: 376 hours of 694 video parts with 180 GB size. Supplemented with 1263 pages and 57 MB size of e- study material. It covers Biology and Chemistry of XI standard CBSE and competitive exams like AIPMT and AIIMS. Validity: 1 year. Compatible OS: Mac , License: Single Machine with Mac Operating System.