# KrokBase > KrokBase is an online practice base for Ukrainian KROK medical exam questions, quizzes, and category-based preparation. The primary audience is students preparing for KROK exams in Ukrainian. The site also has Russian and English locale sections. ## Core Ukrainian Pages - [KROK tests online](https://krokbase.in.ua/uk): Main Ukrainian entry point. - [KROK 1](https://krokbase.in.ua/uk/krok1): KROK 1 categories and quizzes. - [KROK 2](https://krokbase.in.ua/uk/krok2): KROK 2 categories and quizzes. - [KROK 3](https://krokbase.in.ua/uk/krok3): KROK 3 categories and quizzes. - [KROK M](https://krokbase.in.ua/uk/krokm): KROK M categories and quizzes. - [KROK B](https://krokbase.in.ua/uk/krokb): KROK B categories and quizzes. ## Site Information - [About KROK](https://krokbase.in.ua/uk/about): Short explanation of the KROK exam. - [Telegram bot](https://krokbase.in.ua/uk/telegram): Telegram practice option. - [Privacy policy](https://krokbase.in.ua/uk/privacy): Data, cookies, and contact information. - [XML sitemap](https://krokbase.in.ua/sitemap.xml): Complete canonical URL list.