B1.6-1.10 Transport across membranes & gas exchange
Quiz by Mr R Horn
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- Q1
Correct definition of 'diffusion'?
Overall (net) movement of particles from a high concentration to a low concentration
Overall (net) movement of water from a high concentration to a low concentration
Overall (net) movement of particles from a low concentration to a high concentration
Overall (net) movement of particles from a dilute solution to a more concentrated solution
30s - Q2
Correct definition of 'active transport'?
The overall (net) movement of particles from a high concentration to a low concentration, using energy.
The movement of water across a membrane, from a dilute solution to a more concentrated solution
The movement of particles across a membrane, from a low concentration to a higher concentration, using energy.
Overall (net) movement of particles from a dilute solution to a more concentrated solution
30s - Q3
True or false? 'Active transport can move particles against their concentration gradient.'
truefalseTrue or False30s - Q4
Which type of transport is shown in the picture?
Active transport
Diffusion
Osmosis
30s - Q5
Which type of transport is shown in the picture?
Diffusion of particles into the cell
Active transport of particles out of the cell
Active transport of particles into the cell
Diffusion of particles out of the cell
30s - Q6
The graph shows what happens to the mass of potato sticks when placed in different concentration solutions. What is the Independent Variable?
Time left in solution / variety of potato / age of potato / volume of solution
Concentration of salt solution
Diffusion of particles out of the cell
% change in mass
30s - Q7
The graph shows what happens to the mass of potato sticks when placed in different concentration solutions. What is the Dependent Variable?
Time left in solution / variety of potato / age of potato / volume of solution
Diffusion of particles out of the cell
% change in mass
Concentration of salt solution
30s - Q8
The graph shows what happens to the mass of potato sticks when placed in different concentration solutions. What is the Control Variable?
Concentration of salt solution
% change in mass
Time left in solution / variety of potato / age of potato / volume of solution
Diffusion of particles out of the cell
30s - Q9
Which letter on the graph shows where the potato sticks are increasing in mass?
C
Diffusion of particles out of the cell
A
B
30s - Q10
Which letter on the graph shows where the potato sticks are decreasing in mass?
Diffusion of particles out of the cell
B
C
A
30s - Q11
Which letter on the graph shows where the potato sticks are in hypotonic solution?
B
C
A
30s - Q12
Which letter on the graph shows where the potato sticks are in hypertonic solution?
C
B
A
30s - Q13
Which letter on the graph shows where the potato sticks are in an isotonic solution?
B
A
C
30s - Q14
Which picture shows a turgid plant cell?
30s - Q15
Which picture shows a plasmolysed cell?
30s
