It is technically a fruit.
No, the physical tomato is a fruit that grows on a talk (stem).
A young tomato plant and an adult tomato plant both have a stem.
stem
Both. Since it is a member of the plant kingdom, the tomato is a plant. Like wisteria the tomato grows as a vine, but usually bushes. Some tomato plants, however, are meant to vine along the ground, and all tomato plants will root anywhere the stem is close to dirt.
Tap root
Carrot is a root vegetable.
A tomato is the developed ovary of the tomato plant flower. The plant is called a tomato plant and the fruit is the tomato you buy in the fruit shop.
Capsicum is a fruit that grows from the flower of the capsicum plant. It is not a root or a stem.
root
tomato is a fruit.
Tap root
An onion, strictly speaking, is a 'bulb' and is a stem.