Worksheetsbiology exam !!
Total questions: 21
Worksheet time: 26mins
give 3 examples which have ONLY ONE CELL.
(a)
what do we call something which has only ONE cell?
multicellular
unicellular
microorganisms
vacouled
the (a) stores a set of instruction called genes
what is the most important chemical reaction which keep the cells alive?
cell membrance
photosynthesis
cytoplasm
cell wall
cell membrane controls...
what enetrs and leaves the body, it lets food and air in
what enters and leaves the cells. it lets nutrient and oxygen in. and waste products out.
what enters and what produces in the cells. it lets nutrients and CO2
in. and wast produvts out.
The animal cell doesnt have a cell wall.
(a)
what does the cell membrane do?
what are green structures in most plant cells ?
cytoplasm
chloroplast
cell membrane
cell wall
what does CHLOROPLAST do?
the food the plants make is stored in ______ which fills a large bag called ________ .
ctypolasm / vacoule
vacoule /
cell sap
cell sap /
vacoule
none of the above
every plant cell has a tough cell wall.
TRUE
FALSE
explain what happens to keep the cell firm.
plant cells that grow in the light also have chloroplast.
true
false
each cell uses energy from (a) to stay alive.
cells use nutrients for (a) and repair.
how do animal cells get nutrients?
draw a plant cell and label the parts.
cell wall stops the cell bursting when the vacoule fills it with water
true
false
an animal cell has chloroplast.
true
false
a cell is flat.
false
true
cells are in many shapes and sizes.
false
true
