Fruit is a seed bearing structure of a flowering plant. A pumpkin is a fruit of certain varieties of squash. Uses of pumpkin:it lower your cancer risk,it a heart healthy food,they can give you an immunity boost . Differences between pumpkin as a fruit and a vegetable.pumpkin a a fruit is from a botanistpers,is a fruit because it's a product of the seed bearing structure of flowering plant while pumpkin as a vegetable are the edible portion of plants such as leaves,stems,roots,bulbs,flowers,and tubers. Pumpkin in love is often used a term of endearment. What is the science behind a pumpkin:it has a vascullar system that notes and distributes water and nutrients tw the plant and fruits,called xylem and phloem. Note:pumpkins fruit are a type of berry know as a pepo.we don't only use pumpkin to celebrate halloween but also with thanksgiving.