In the given figure,what do the labeled parts 'a' and 'b' represent respectively?

Which one of the following is common to both prokaryotes and eukaryotes?

Which of the following are membrane-bound cell organelles?

Read the following statements carefully:
$(A)$ Lipid component of the plasma membrane mainly consists of phosphoglycerides.
$(B)$ Polar molecules can pass through the lipid bilayer of plasma membrane,therefore they do not require carrier proteins to facilitate their transport.
$(C)$ Secondary wall is capable of growth and it is formed on the outer side of the cell.
$(D)$ Quasifluid nature of lipid enables lateral movement of proteins within the overall lipid bilayer of plasma membrane.
$(E)$ Middle lamella glues the different neighbouring cells together.
How many statements are incorrect?

Identify $X$ and $Y$ in the given figure.

Match the following columns:

Column $I$ (Organelle)	Column $II$ (Function)
$(a)$ Golgi apparatus	$(i)$ Maintains turgor pressure in cells
$(b)$ Lysosomes	$(ii)$ Cellular respiration
$(c)$ Vacuoles	$(iii)$ Photosynthesis
$(d)$ Mitochondria	$(iv)$ Synthesis of glycolipids and glycoproteins
	$(v)$ Phagocytosis and pinocytosis