differences [2marks]

Question 12 Marks

Give points of differences: prokaryotes and eukaryotes.

Answer

	Unicellular organism		Multicellular organism
$1.$	Their cells do not have well organised nucleus.	$1.$	Their cells have well developed nucleus.
$2.$	There is no nuclear membrane.	$2.$	There is nuclear membrane enclosing nucleus.
$3.$	Nucleolus is absent in its cell.	$3.$	Nucleolus is present in its cell.

Question 22 Marks

Give points of differences: Unicellular organism and Multicellular organism

Answer

	Unicellular organism		Multicellular organism
$1.$	The body is made up of only one cell.	$1.$	The body is made up of more than one cell.
$2.$	Tissues, organs and systems are never present.	$2.$	Tissues, organs ant Organ system may be present.
$3.$	Amoeba, paramoecium, euglena, yeast, etc., are unicellular organisms.	$3.$	Ant, fish, frog fern, vinca, etc. are multicellular Organisms.

Question 32 Marks

Give points of differences: Onion cell and Cheek cell

Answer

	Onion cell		Cheek cell
$1.$	It is a plant cell.	$1.$	It is an animal cell.
$2.$	There is a cell wall made up of cellulose in it.	$2.$	There is no cell wall in it.
$3.$	There are chloroplasts in it.	$3.$	There are no chloroplasts in it.
$4.$	There is no centriole in it.	$4.$	There is centriole in it.

Question 42 Marks

Give points of differences: Cell membrane and Nuclear membrane

Answer

	Cell membrane		Nuclear membrane
$1.$	It is present in all living cell.	$1.$	It is present only in eukaryotic cell.
$2.$	It surrounds protoplasm.	$2.$	It surrounds the nuclear material.
$3.$	It regulates the movement of materials both inward and outward of cell.	$3.$	It allows the movement of materials between the cytoplasm and the inside of the nucleus.

Science differences [2marks]