OGE 2021 Biology. Grade 9. 20 training options for demo version of 2021

This manual is intended for preparation for OGE in biology. It takes into account changes in the specification of the OGE 2021. The manual contributes to the repetition and systematization of the studied material. It contains:
- 20 new author"s training options for the projects of demo version and the specification of the 2021 OGE, published on 08/25/2020,
- a methodological chapter for students and teachers with a detailed analysis of all types of tasks and recommendations for training To the exam,
- a theoretical reference book, which includes material for the biology course of the main school,
- answers to all options.
The book will allow teachers to exercise effective control and get objective information about the level of training of students in grades for the exam, as well as form the skill of completing tasks. Thanks to the presence of answers, ninth graders will be able to independently prepare for the OGE in biology.
The manual can be used in distance learning