Jasmine
magnolia
a Jasmine is a climbing shrub with delicate and fragrant white or yellow flowers. fro9m Persia
Yellow
Barberry
Witch Hazel
magnolia
Yes
Perhaps you're thinking of a Gardenia? They have very fragrant white blooms. I've never seen one with yellow blooms though.
The rose is a type of the flowering shrub. The flowers of rose grow in a number of colors namely red, yellow, purple and white.
Cytisus or broom.
Japonica