Concept:Seedless fruits develop without fertilization (parthenocarpy). In coconut, the edible part is the endosperm, which is a part of the seed. Without seeds, the endosperm is absent, making the fruit useless. Explanation:Coconut's valuable part is the white kernel (endosperm). This endosperm comes from the seed. In seedless coconuts, there is no seed and therefore no endosperm. So seedless coconut has no edible part. Tomato, banana, and grape have edible flesh that is not dependent on the seed, so seedless varieties are still useful. Answer:A. Coconut