The undefined nuclear region of prokaryotes is also known as:

What are chromosomes made of?

How is $DNA$ present in a cell which is:
$(a)$ dividing?
$(b)$ not dividing?

Which plastid would you expect to be present in $(i)$ Papaya and $(ii)$ Grass?

Draw a plant cell and label the parts which:
$(a)$ determines the function and development of the cell
$(b)$ packages materials coming from the endoplasmic reticulum
$(c)$ provides structural strength to the cell to withstand hypotonic external media without bursting
$(d)$ is the site for many biochemical reactions necessary to sustain life
$(e)$ is a fluid contained inside the nucleus

What is the fundamental unit of life? Who discovered it? How can they be observed?