Match the following.

Column-$I$	Column-$II$
$A$. Vacuole	$i$. Krebs cycle
$B$. Mitochondria	$ii$. Photosynthesis
$C$. Golgi body	$iii$. Excretion
$D$. Chloroplast	$iv$. Synthesis site of glycolipid and glycoprotein

The normal $pH$ of protoplasm is:

The magnification power of a light compound microscope depends on .........

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.

Which of the following organelles are membrane-less?

Strasburger is famous for