1) Who was Ivanovsky?
2) What did he start to study after graduation?
3) What conclusion did Ivanovsky come to after researching tobacco disease?
4) on what he conducted the experiments?
5) How did Ivanovsky catch the smallest bacteria?
6) What conclusion did he make after numerous studies?
7) What substance did Ivanovsky introduce into the plants?
8) What branch of microbiology was first created by Ivanovsky?