This book is a comprehensive teaching aid for the Biology lesson of the B' High School. It is divided into chapters, each of which usually corresponds to theory that can be taught during a school hour. [...]

(from the author's preface)

Each chapter includes:
- Theory in the form of answered questions
- Answers to the "Let's think" questions of the textbook
- Exercises with a variety of formats (development, short answer, multiple choice, completion, true-false, and matching), aiming for better understanding and consolidation of the theory
- Short-duration exam
- Glossary of terms, which also serves as a concise summary.

At the end of each group of related chapters, there are also:
- Review exercises (knowledge recall, combination, and judgment)
- Weekly exams
- Proposed answers to the "Let's Investigate" questions of the textbook.

In the last section of the book, there are:
- Three-hour review exams
- Theory enrichment questions
- Answers to the textbook questions
- Problems correlating the theory of the textbook with the material of the nationwide exams, for the relevant preparation of the students.