The undefined nuclear region of prokaryotes is also known as:

The cell organelle involved in forming complex sugars from simple sugars is:

What will happen if
$(a)$ ribosomes are removed from the cell,
$(b)$ Golgi apparatus is removed from the cell,and
$(c)$ plasma membrane ruptures?

$(i)$ Why is the cell called the structural and functional unit of life?
$(ii)$ Why is the plasma membrane called a selectively permeable membrane?
$(iii)$ Name the factor which decides the movement of water across the plasma membrane.

The statement "Cell arises from pre-existing cells" (Omnis cellula-e cellula) was proposed by:

Mention the differences seen between prokaryotic and eukaryotic cells regarding:
$(i)$ Nuclear region
$(ii)$ Cell organelles
$(iii)$ Chlorophyll.