The correct option is A 10μm−100μm
Cells are basically of two types: prokaryotic and eukaryotic cell. All bacteria are prokaryotes. All protists, fungi, plants and animals have eukaryotic cells. The prokaryotic cells are small in size (typically 0.2 to 2μm). The eukaryotic cells are comparatively larger in size (typically 10 to 100 μm).