Identify the given figure:

When the calyx and corolla are not distinct and are similar in appearance and color, the structure is called .......

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?

Which of the following is an example of axile placentation?

What is the size of the plant $Wolffia$ $globosa$?

When a flower is hypogynous,the position of the ovary is...