The common mode of reproduction in Rhizopus is by

The correct option is B Sporangiospores

Rhizopus species grow as filamentous, branching hyphae that generally lack cross-walls. They reproduce by forming asexual and sexual spores. In asexual reproduction, sporangiospores are produced inside a spherical or bulb like structure, the sporangium.

So, the correct answer is 'Sporangiospores'