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Chapter 8: Movement Through Cell Membranes
Descripción
Multiple choice questions on movement through cell membranes
Sin etiquetas
osmosis
diffusion
visking tubing
junior certificate
Test por
John Loughlin
, actualizado hace más de 1 año
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Creado por
John Loughlin
hace más de 6 años
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Resumen del Recurso
Pregunta 1
Pregunta
Cell membranes are:
Respuesta
Fully permeable
Selectively permeable
Impermeable
Sometimes permeable and sometimes impermeable
Pregunta 2
Pregunta
Osmosis is:
Respuesta
Diffusion of gases from high concentration to low concentration
Diffusion of molecules from a region of low concentration to high concentration across a semi-permeable membrane
Diffusion of water molecules from a region of high water concentration to low water concentration across a semi-permeable membrane
Diffusion of molecules from a region of high concentration to low concentration across a semi-permeable membrane
Pregunta 3
Pregunta
What happens to a plant cell when it loses water?
Respuesta
It becomes plasmolysed
It becomes turgid
It undergoes crenation
It undergoes mitosis
Pregunta 4
Pregunta
What would happen to a human blood cell if it was placed in a solution that was less concentrated than itself?
Respuesta
It would become plasmolysed
It would become turgid
It would undergoes crenation
It would burst
Pregunta 5
Pregunta
What would happen to a human blood cell if it was placed in a solution that was more concentrated than itself?
Respuesta
It would become plasmolysed
It would become turgid
It would undergo crenation
It would burst
Pregunta 6
Pregunta
Using your knowledge of osmosis, choose which option best describes what would happen to you if you drank sea water.
Respuesta
You would become fully hydrated and your thirst would be quenched
Nothing would happen
You would become even more dehydrated as water would move from your blood into your stomach
After a short time it would increase urine formation by the kidneys
Pregunta 7
Pregunta
Turgor is:
Respuesta
Pressure of the cell wall on the cell membrane
Pressure of the cell contents on the cell wall
Movement of water into a cell
Movement of water out of a cell
Pregunta 8
Pregunta
Plasmolysis is:
Respuesta
Pressure of the cell wall against the cell membrane
Pressure of the cell contents on the cell wall
When the cell membrane has lost water and peels away from the cell wall
When water moves into the plant cell
Pregunta 9
Pregunta
Which one of the following is unsuitable for use as a semi-permeable membrane to demonstrate osmosis?
Respuesta
Dialysis tubing
Visking tubing
Cellophane
Plastic bag
Pregunta 10
Pregunta
Which of the following is not an application of osmosis:
Respuesta
Salting food
Cold smoking food
Adding sugar to food
Dehydration of food
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