In Russian schools, the typical grading scale for biology tests is: : 90–100% correct. "4" (Good) : 75–89% correct. "3" (Satisfactory) : 50–74% correct. "2" (Unsatisfactory) : Less than 50% correct. Resources for Practice
: Functions of the nucleus, mitochondria (energy), ribosomes (protein synthesis), and the Golgi apparatus. kontrolnaia rabota po teme kletochnyi uroven dlia 9 klassa
: Multiple-choice questions (e.g., "Which organelle is responsible for protein synthesis?"). In Russian schools, the typical grading scale for