plants are very important pat of life they can make their own food during this process they also release oxygen in this way they also provide oxygen and food to every living thing directly or indirectly you know that in most plant reproduction occurs inside flower seed are formed during reproduction new plant grow from seed in this unit you will learn about the structure of seed you will examine the seeds of two major groups of the plant kingdom you will also learn the germination of seeds structure of bean seed the outer covering of the seed is a tough and hard coat it is called seed coat for the absorption of water inside the seed there is a tiny plant called embryo the embryo of bean consist of the following part a radical which is actually a tiny root plant called embryo the embryo of beam seeds consists of the following parts a radical which is actually a tiny root a seeds which is actually a tiny shoot two cotyledons which contain stored food for the embryo