What is a nucleoid?

Define osmosis. Give a few examples where osmosis is helpful.

Differentiate between the plasma membrane and cell wall.

Identify the type of cell and write one characteristic feature for each of the following descriptions:
$(i)$ Large vacuole,nucleus pushed to the periphery.
$(ii)$ Cell does not burst even in a very dilute medium.
$(iii)$ Nuclear region is not well-defined and is known as the nucleoid.

In a non-dividing cell,$DNA$ is present as part of chromatin material which can be seen as

How is a prokaryotic cell different from a eukaryotic cell?