Answer:
dioscorea alata is specific name of yam
The female part of the flower is known as the CARPEL or pistil so the as would be D.
Possession of flagellum is not a taxonomic feature. many different unrelated organisms have flagellum. euglena, zooflagellates but also some fungi or even human sperm cells.
"Testes and Ovaries"
Two hormones are primarily responsible for pubic hair during puberty. Androgen and Estrogen, of which are spectively provided by the "Testes and Ovaries". Pubic hair is the bodies attempt of protecting those organs against friction with contact of skin.
