Movement in and out of Cells
Each subtopic includes About section, revision page link, 10 preview questions, and practice CTAs.
Diffusion
SubtopicDiffusion under Movement in and out of Cells for Grade 12 IGCSE.
Preview questions (no answers)
- 1.
Which of these substances moves out of animal cells by diffusion because its concentration is higher inside the cell than outside?
A.Oxygen
B.Glucose
C.Carbon dioxide
D.Water
- 2.
If a cell membrane was made twice as thick, what would happen to the rate of diffusion?
A.It would double
B.It would stay the same
C.It would decrease
D.It would increase fourfold
- 3.
Why is a thin capillary wall (one cell thick) advantageous for diffusion?
A.It increases the concentration gradient
B.It provides a short diffusion distance
C.It increases the temperature of the blood
D.It acts as a filter for large proteins
Download the worksheet for Movement in and out of Cells - Diffusion to practice offline. It includes additional chapter-level practice questions.
Preview questions (no answers)
- 1.
Which of these is NOT required for osmosis to occur?
A.A concentration gradient
B.Water molecules
C.A partially permeable membrane
D.ATP from respiration
- 2.
What is the result of a plant cell being placed in a solution with an extremely low water potential?
A.It becomes turgid
B.It becomes plasmolysed
C.It stays flaccid
D.It bursts
- 3.
What is the main substance found in the vacuole of a plant cell?
A.Pure oxygen
B.Cell sap
C.Cytoplasm
D.Chlorophyll
Download the worksheet for Movement in and out of Cells - Osmosis to practice offline. It includes additional chapter-level practice questions.
Active transport
SubtopicActive transport under Movement in and out of Cells for Grade 12 IGCSE.
Preview questions (no answers)
- 1.
What is the full name of the energy molecule ?
A.Adenosine triphosphate
B.Active transport protein
C.Ammonia tri-phosphate
D.Adenine total phosphorus
- 2.
Why do cells in the proximal convoluted tubule of the kidney have many mitochondria?
A.To produce mucus
B.To provide energy for active transport of glucose
C.To produce urea
D.To provide energy for osmosis
- 3.
How is active transport different from simple diffusion regarding energy?
A.Diffusion uses , active transport does not
B.Active transport uses , diffusion does not
C.Both use
D.Neither uses
Download the worksheet for Movement in and out of Cells - Active transport to practice offline. It includes additional chapter-level practice questions.