yes
root
potato
Sweet potato is root modification and potato is stem modification both are the example for analogy
answer.com feels that sugarcane is a stem of a plant
It's hard to tell. it's best to just memorize these things- carrot is a root, sweet potato is a root, potato is a stem, etc.
An uncooked sweet potato should be very firm or hard. Soft ones have either started to dry out or could be rotting.
Sweet potato is a type of potato but it is not like potato produce by underground stem but by storage root
Sweet potatoes are flowering plants, so they reproduce sexually by producing seed. They also reproduce vegetatively from the tubers (which we eat). When we grow them as a crop we plant stem cuttings called slips. This is also vegetative reproduction but it's us doing it not the plant.
A sweet potato
You can tell if a sweet potato is bad inside by looking for signs of mold, soft spots, or a foul smell. If the sweet potato is discolored, mushy, or has a strange odor, it is likely spoiled and should not be eaten.
roots and stems
A bad sweet potato may have soft spots, mold, or a shriveled appearance. It may also have a foul smell. To identify a bad sweet potato, look for any of these signs and avoid using it for cooking or eating.