yes
what kind of stem would you find in a corn plant
Carrot is a root vegetable.
Capsicum is a fruit that grows from the flower of the capsicum plant. It is not a root or a stem.
root
no but the seed of the corn is eaten.
Beetroot is a root.
a root
Tapioca is a root
An onion, strictly speaking, is a 'bulb' and is a stem.
A syllable or word element that can only occur at the beginning of a root or stem is a prefix, while a syllable or word element that can only occur at the end of a root or stem is a suffix. These elements are added to a root or stem to change its meaning or create a new word.
root
underground root