Delete the odd one:

Zygomorphy in $Cassia$ flower is due to

Select the correct matching $:-$

Column $I$	Column $II \&$ Column $III$
$(1)$ Hypogynous	$(A)$ Gynoecium occupies highest position; $(X)$ Mustard,Brinjal,China rose
$(2)$ Epigynous	$(C)$ Margin of thalamus grows upward enclosing ovary completely; $(Z)$ Guava,Cucumber
$(3)$ Perigynous	$(B)$ Gynoecium situated in centre; $(Y)$ Plum,peach,rose

Answer the following questions $(A)$ and $(B)$ by using the given diagram:-
$(A)$ Type of placentation?
$(B)$ Example of this placentation?

The $Synandrous$ condition is the fusion of:

Radial symmetry (actinomorphic) is found in the flowers of: