What is the full form of the unit $(1) \, \text{nm}$?

The characteristics of a cell depend on which of the following?

Which of the following structures occupies the largest volume in a cell?

The jelly-like substance present inside the cell is known as:

An electron microscope has a higher resolving power than a light microscope. This is due to:

$(P) \rightarrow$ Subatomic particles $\rightarrow$ Atoms $\rightarrow$ Molecules $\rightarrow (Q) \rightarrow$ Cells $\rightarrow$ Tissues. Which levels do $(P)$ and $(Q)$ represent in the given hierarchy of biological organization?