Match the columns and identify the correct option.

Column $I$	Column $II$
$A$. Thylakoids	$(i)$ Disc-shaped sacs in Golgi apparatus
$B$. Cristae	$(ii)$ Condensed structure of $DNA$
$C$. Cisternae	$(iii)$ Flat membranous sacs in stroma
$D$. Chromatin	$(iv)$ Infoldings in mitochondria

Which of the following statements is correct?

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

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.

Plant and animal cells differ by their ...... .

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