The ovary is half inferior in

Read the following statements.
$(i)$ Gynoecium is situated in the centre and other parts of the flower are located on the rim of the thalamus almost at the same level.
$(ii)$ Ovary is half-inferior.
$(iii)$ Examples are plum,rose and peach.
Which condition of flowers is being described by the above statements?

The corolla of Hibiscus is

Flowers are zygomorphic in

Which type of placentation is observed in $Sweet \ pea$?

The most suitable flower for the study of floral parts is: