A spore-producing organism is
bread mold
The correct option is B.
Explanation for the correct option:
Explanations for the incorrect options:
Option A:
The rose does not generate spores since it is a blooming plant that reproduces via seed.
Option C:
Potatoes do not even create spores since they are formed by tubers.
Option D:
Since ginger develops from subterranean stem tubers called rhizomes, it also doesn't produce spores.
Final Answer: The spore-producing organism is the bread mould.