Chapter 8: Movement Through Cell Membranes

Descripción

Multiple choice questions on movement through cell membranes
John Loughlin
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John Loughlin
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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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