Embryonal axis above the cotyledon is known as
Hypocotyl
The part of the embryonal axis between the radicle and plumule, below the level of attachment of the cotyledons, is hypocotyl.
Funicle
Funicle is the stalk that attaches to the ovule to the placenta in an ovary.
Epicotyl
The part of the embryonal axis between the radicle and plumule above the level of attachment of the cotyledons, is epicotyl.
Raphe
Raphe is the ridge which is formed due to the attachment of the funicle and the body of the ovule.
Final answer
c. Epicotyl.