A nut is a fruit composed of an inedible hard shell and a seed, which is generally edible. In general usage, a wide variety of dried seeds are called nuts, but in a. In botany, a fruit is the seed-bearing structure in flowering plants (also known as angiosperms) . The strawberry is also an aggregate-accessory fruit, only one in which the seeds are contained in achenes. giving those seeds that remain uneaten the chance to germinate and grow into a new plant away from their parent. This is a simplified classification of major fruit types that follows most general botany The banana fruit is a seedless, parthenocarpic berry developing without . The grain is truly a fruit (not a seed) because it came from a separate ripened ovary . The cashew "nut" (drupaceous nut) is produced at the summit of a fleshy.