A reference book in a question-and-answer format, perfect for preparing for regular biology tests. - Title: Regular Test Biology Basics - Content: Basic biology concepts and test preparation - Features: Efficient learning through a question-and-answer format - Accessories: Comes with a red card Thank you for viewing. There are no dirt or scratches, but there are a few lines drawn as shown in photos 2 and 3, and the pages with answers on the right side have creases. The table of base sequences in photo 3 has faint marks where writing has been erased.