$(a)$ Write two points of difference between the nuclear region of a bacterial cell and the nuclear region of an animal cell.
$(b)$ Which structure present in the nuclear region of a living cell bears genes?

Which of these options are not a function of Ribosomes?
$(i)$ It helps in the manufacture of protein molecules.
$(ii)$ It helps in the manufacture of enzymes.
$(iii)$ It helps in the manufacture of hormones.
$(iv)$ It helps in the manufacture of starch molecules.

Draw a well-labelled diagram of an eukaryotic nucleus. How is it different from a nucleoid?

Which of the following organelles does not have a cell membrane?

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

State whether the following statement is true or false:
Leucoplasts are the coloured plastids.