STD 12 - 1. sexual reproduction in flowering plants — NEET STD 11 Science — Question

c
(c) : The cotyledons are known as seed leaves, they are attached to the embryonic axis. Dicotyledons typically have two cotyledons and monocotyledons have only one cotyledon. The Embryo sacMicropyle Nucellus Chalaza Funicle ingle shield shaped cotyledon in grains is known as scutellum.The scutellum does not contain food and its function is to absorb food from the endosperm and transfer it to the growing parts of the embryo. The plumule consists of growing tip of the shoot along with few young leaf primordia. It is covered by a sheath called coleoptile. The radicle which lies at the base of the grain is also covered with a sheath called coleorhiza. The hypocotyl is very short and is represented by a short axis in between radicle and plumule.pericarp and seed coat fused endospermaleurone layercoleoptileleaf plumule cotyledon (scutellum) redicle coleorhizaL. S. of corn grain