Diffusion and osmosis

Descripción

Leaving Certificate (Diffusion and osmosis) Biology Test sobre Diffusion and osmosis, creado por eimearkelly3 el 10/07/2013.
eimearkelly3
Test por eimearkelly3, actualizado hace más de 1 año
eimearkelly3
Creado por eimearkelly3 hace alrededor de 11 años
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3

Resumen del Recurso

Pregunta 1

Pregunta
Movement of molecules such as salt, sugar, and protein across a membrane is done by
Respuesta
  • Osmosis
  • Active transport

Pregunta 2

Pregunta
Diffusion
Respuesta
  • Is the spreading out of molecules from a region of low concentration to a region of high concentration
  • Is the spreading out of molecules from a region of high concentration to a region of low concentration

Pregunta 3

Pregunta
The difference in concentration should be _____ for the rate of diffusion to be high
Respuesta
  • High
  • Low

Pregunta 4

Pregunta
The surface area should be _______ in order for rapid diffusion
Respuesta
  • High
  • Low

Pregunta 5

Pregunta
The membrane should be _____ for effective diffusion
Respuesta
  • Dry
  • Moist

Pregunta 6

Pregunta
Cell walls should be ______ for effective diffusion
Respuesta
  • Thin
  • Thick

Pregunta 7

Pregunta
A solvent is a
Respuesta
  • Liquid that dissolves other substances
  • A substance that has been dissolved
  • A substance containing a substance dissolved and a substance that dissolves

Pregunta 8

Pregunta
A solution is
Respuesta
  • A liquid that dissolves other substances
  • A substance that is dissolvd
  • A substance that includes a dissolved substance and a substance that dissolves

Pregunta 9

Pregunta
A solute is
Respuesta
  • A liquid that dissolves other substances
  • A substance that is dissolved
  • A substance that includes both s substance dissolved and a medium in which it is dissolved

Pregunta 10

Pregunta
Animal and plant cells in an isotonic solution
Respuesta
  • Swell
  • Remain the same
  • Shrink

Pregunta 11

Pregunta
Animal and plant cells in a hypotonic solution
Respuesta
  • Swell
  • Remain the same
  • Shrink

Pregunta 12

Pregunta
Plant and animal cells in a hypertonic solution
Respuesta
  • Swell
  • Remain the same
  • Shrink

Pregunta 13

Pregunta
The cell wall of bacteria consists of
Respuesta
  • Polysaccharides/protein
  • Chitin

Pregunta 14

Pregunta
The cell wall of fungi consists of
Respuesta
  • Polysaccharides/proteins
  • Chitin
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