<prompt> Microscope was invented by?Ronald rossRobe kockAntonie van LeeuwenhoekLouis pasteur  <response>: As microbes are invisible to the inaided eye,definitive knowledge about them had to await the development of microscope. The credit for having first observed and repoed bacteria belongs to ANTONY VAN LEUWENHOEK REF:Ananthanarayan Panickers Textbook of Microbiology 8th Edition pg no : 3 