Which of the following organelles is not a part of the endomembrane system?

Match the items given in column-$I$ with their role given in column-$II$ and choose the correct option.

Column-$I$	Column-$II$
$A$. $SER$	$I$. Increase the surface area
$B$. Golgi apparatus	$II$. Store oils or fats
$C$. Cristae	$III$. Excretion
$D$. Peroxisome	$IV$. Photorespiration
$E$. Elaioplasts	$V$. Synthesis of lipid

Eukaryotic cells have organelles which may:
$(a)$ not be bound by a membrane
$(b)$ be bound by a single membrane
$(c)$ be bound by a double membrane
Group the various sub-cellular organelles into these three categories.

Peroxisomes do not have:

Which of the following statements are correct?
$(i)$ In prokaryotic cells,a special membranous structure formed by the extension of the plasma membrane into the cell is known as polysome.
$(ii)$ The smooth endoplasmic reticulum is the major site for synthesis of glycoproteins.
$(iii)$ $RuBisCO$ is the most abundant protein in the whole biosphere.
$(iv)$ Mitochondria,chloroplasts,and peroxisomes are not considered as part of the endomembrane system.

The filaments arising from desmosomes are called