Which one of the following is not considered as a part of the endomembrane system ?

The figure below shows the structure of a mitochondrion with its four parts labelled (A), (B), (C). and (D) Select the part correctly matched with its function. –

Examine the figure given below and select the correct option giving all the four parts (A, B, C and D) rightly identified.

Which one of the following figures represents the placentation in Dianthus?