Which of the following is the smallest cell?

$(P) \rightarrow$ 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?

Which of the following statements is inconsistent with the cytoplasm?

Cell organelles are embedded in

What is seen in the cytoplasm?

How many types of cells are known based on their organization?