Parts of a Seed Bean Seed Corn Seed Parts of a Seed Bean Seed dicot = 2 cotyledons radicle will become roots micropyle embryo will become bean sprout cotyledon has 2 (for food storage and becomes 1st leaves) allows water to enter seed seed coat Corn Seed monocot = 1 cotyledon cotyledon protects seed embryo will become corn sprout becomes 1st leaf endosperm radicle will become roots of plant food storage in monocot seeds