The arrangements of ovules within the ovary is known as placentation. What does the term placenta refer to ? Name and draw various types of placentations in the flower as seen in $T.S$. or $V.S$.

Which type of placentation is formed in plants which having vaxillary aestivation ?

United sepals are called …$A$…   Free sepals are called …$B$….

Here, $A$ and $B$ refers to

Identify the type of flowers based on the position of calyx, corolla and androecium with respect to the ovary from the given figures ($a$) and ($b$)

Definitions / Explanation :

$(i)$ Hypogynous flower/ Superior ovary

$(ii)$ scutellum