Question

yeast is a internal or external budding with reason​

Answer 1

Formation of a bud inside the parental organism is called internal budding. It is seen in sponging.

If the bud forms on the outside of the organism's body, it is called external budding. It is seen mostly in Hydra.

There are 2 types of external budding :-

i) Chain budding is seen in Yeast

ii) Zooids colony budding is seen in Scypha

Answer 2

Yeast shows external budding Budding is a type of asexual reproduction seen in yeast,hydra etc

.before budding,a soft zone appears in the cell wall of vegetative cells.

.Small buds will bulge out from this zone

.At this stage,nucleus of the cell undergoes a mitotic division

.one of the daughter nuclei will be pushed into the bud.

.A constriction is formed between the vegetative and the bud,which can grow in to yeast cells.