Font size
WorksheetsB2 revision
Total questions: 22
Worksheet time: 19mins
Active transport is the movement of large materials across a cell membrane from ______ to ______ concentration
high to low
low to high
high to high
low to low
Active transport across a cell membrane from low to high concentration, requires
energy (ATP)
no energy
water
oxygen
What is the definition of osmosis?
Water moves from an area of high concentration to an area of low concentration
Water moves from an area of low concentration to an area of high concentration
Water moves from a more dilute solution to a more concentrated solution across a partially permeable membrane
A cell changes to become specialised
Mitosis is cell division for growth and repair. Below are some of the stages of cell division. You should place them in the correct order.
A - The cell splits to form 2 cells
B - The chromosomes in the cell double
C - The chromosome pairs are pulled apart
D - The chromosome pairs line up in the middle of the cell
D, A, C, B
A, C, D, B
B, D, C, A
A, B, C, D
What is cell differentiation?
The process where unspecialized cells become different in structure and function.
When DNA controls the cell cycle.
The ability of cells to make more cells.
The ability of cells to maintain homeostasis.
what is the function of arteries
take blood to heart
take blood away from heart
take blood to colon
take blood to brain
How many parts is the blood made up from?
3
1
5
4
What carries oxygen around the body?
Plasma
Red Blood Cells
Platelets
White Blood Cells
What is the function (job) of the white blood cells?
To transport oxygen around the body.
To carry dissolved sugars.
To clot and cover wounds like cuts and grazes.
To release antibodies to help destroy infections.
Which blood vessel has valves to prevent the back-flow of blood?
Veins
Arteries
Capillaries
Xylem tubes are made of...
Dead cells
Living cells
Xylem tubes transport substances..
From the roots to the stem and leaves
From the leaves to the rest of the plant
Xylem tubes transport substances in which direction?
Up
Up and down
Which process are the phloem tubes part of?
Translocation
Transpiration
Select all of the environmental factors that would increase transpiration.
Increased humidity
Increased wind speed
Increased temperature
Decreased surface area
