Which multicellular organism reproduces by the process of budding?

Regeneration is not possible in all types of animals. Why?

Can we find variations in an asexually reproducing organism like bacteria? Write yes or no and give a reason in support of your answer.

Factors responsible for the rapid spread of bread mould on slices of bread are:
$(i)$ Large number of spores
$(ii)$ Availability of moisture and nutrients in bread
$(iii)$ Presence of tubular branched hyphae
$(iv)$ Formation of round shaped sporangia

What is the importance of $DNA$ copying in reproduction?

Can these two methods,regeneration and fragmentation,be equated to be the same? Answer with a reason.