| ALGAE, FUNGI AND LICHENS | Melita Mihaljević | BBO315 | 6 | Winter |
| CELL BIOLOGY | Davorka Hackenberger Kutuzović, Jasenka Antunović Dunić | BBO104 | 6 | Winter |
| CELL ORGANELLES ULTRASTRUCTURE | Selma Mlinarić | BBZ38 | 2 | Winter |
| GENERAL ZOOLOGY | Enrih Merdić | BBO106_2023 | 6 | Winter |
| GENETIC ENGINEERING | Rosemary Vuković | BBO630 | 2 | Winter |
| GENETICS | Lidija Kalinić, Olga Jovanović Glavaš | BBO210 | 4 | Summer |
| MICROBIOLOGY | Ljiljana Krstin, Goran Palijan | BBO105_2023 | 5 | Summer |
| PHOTOSYNTHESIS | Selma Mlinarić, Zorana Katanić | BBZ45 | 2 | Summer |
| PHYTOGEOGRAPHICAL CHARACTERISTICS OF EASTERN CROATIA | Oleg Antonić | BBZ47 | 2 | Summer |
| GENERAL BOTANY | Tanja Žuna Pfeiffer, Dubravka Špoljarić Maronić | BBO213_2023 | 7 | Summer |
| PLANT MICROTECHNIQUE AND MICROSCOPY | Jasenka Antunović Dunić,Selma Mlinarić | BMP82 | 2 | Winter |
| ZOOGEOGRAPHY | Enrih Merdić | BBO631 | 6 | Summer |