Select the correct option for the following statements:
$(i)$ The $9 + 2$ arrangement of microtubules is found in the cilia/flagella.
$(ii)$ The enzymes of the Krebs cycle are located in the outer membrane/inner membrane of the mitochondria.

The magnifying power of the oil immersion lens in a light compound microscope is . . . . . . . (in $X$)

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.

Assertion $(X)$: The cell is a wonderful marvel of the world.
Reason $(Y)$: It converts nutrients into free energy and contains its own information in the form of genetic material.

Nucleic acid $(DNA)$ is $NOT$ found in:

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?