This exam question pack (and markscheme) is for the NEW AQA AS Biology (7401) specification: 3.1 Biological molecules 3.2 Cells 3.3 Organisms exchange substances with their environment 3.4 Genetic information, variation and relationships between organisms This Exam Questions pack contains exam questions and markscheme for all AS content (4 files). The markscheme is found below the questions. There are 50+ questions on average for each of the 4 topic.