Which among the following reproduce by spore formation?

Rhizopus reproduce asexually through the formation of spores.

Fungi and some algae reproduce asexually through spores. Rhizopus is a fungus and is commonly called bread Mould.
Rhizopus grows as fine thread-like projections known as hyphae. Present on the top of hyphae is a blob-like structure, called sporangia. Sporangia produce numerous reproductive bodies called spores.