Biologiya 11-sinf is an Android application designed for students in grades 11 and higher education institutions. The application is a comprehensive biology textbook that covers various topics in biology. The application is developed by Turkiston and is available for free.

The application has been approved by the Uzbekistan Ministry of Education and is published by Sharq Nashriyot-Matbaa Aksiyadorlik Kompaniyasi. The author of the textbook is Q. Saparov, a doctor of biology, professor; M. Ergasheva, a dot-sent of HTXQTMOMI, and B. Rahimova, a biology teacher at Tashkent city Yunusobod high school.

The application provides a detailed explanation of the various topics in biology, including cell biology, genetics, ecology, and evolution. The application has a user-friendly interface and is easy to navigate. It is an excellent resource for students who are interested in biology and want to learn more about the subject.