Solution: The diagram represents a typical monocot embryo. The label A refers to epiblast. This is the remains of the second cotyledon in the monocot embryo. The label B refers to radicle. This is the root cap region. The label C refers to coleoptile. The shoot apex is protected with a shield called as coleoptile. The label D refers to scutellum. There is only one cotyledon and it is called as the scutellum. This is present in one side of the embryonal axis. The label E refers to coleorhiza. The root cap region is shielded with the help of coleorhiza. The label F refers to shoot apex. The shoot apex will develop to form the root.