Which one of the following is not included under the endomembrane system?

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

Match the column $I$ with column $II$.

Column-$I$	Column-$II$
$(a)$. Glyoxysome	$(i)$. Plant lysosomes
$(b)$. Sphaerosome	$(ii)$. Glyoxylate cycle
$(c)$. Mitochondria	$(iii)$. Photorespiration
$(d)$. Peroxisome	$(iv)$. Succinate dehydrogenase

Adult human $RBCs$ are enucleate. Which of the following statement$(s)$ is/are most appropriate explanation for this feature?
$(1)$ They do not need to reproduce.
$(2)$ They are somatic cells.
$(3)$ They do not metabolise.
$(4)$ All their internal space is available for oxygen transport.

$A$: All organelles in a eukaryotic cell are membrane-bound.
$R$: Organelles in a prokaryotic cell are membrane-less.

$S$ - Statement: Mitochondria are associated with the process of respiration.
$R$ - Reason: Chloroplasts are associated with the process of photosynthesis.