1) What process shows movement of molecules or ions down a concentration gradient, from higher to lower concentration, and does not require energy. a) Active transport b) Osmosis c) Diffusion 2) Transport that does not require energy must be a) Active transport b) Passive transport 3) What processs is passive movement of water molecules down the water concentration gradient through a selectively permeable membrane. a) Diffusion b) Active transport c) Osmosis 4) Movement of molecules or ions against the concentration gradient, (from lower to higher concentration) is a) Diffusion b) Osmosis c) Active transport 5) The difference in concentration between two solutions is called the a) Plasmolysis coefficient b) Concentration line c) Concentration difference d) Concentration gradient 6) When the cell membrane comes away from cell wall in a plant cell as cell loses water the cell is a) Plasmolysed b) Flaccid c) Turgid 7) A plant cell that is swollen as has gained water is a) Plasmolysed b) Flaccid c) Turgid 8) The part of plant cell that prevents it bursting or shrinking is a) cell membrane b) cell wall c) nucleus d) chloroplasts 9) If a plant cell is placed in a more concentrated salt solution (hypertonic solution) it would... a) burst b) become turgid c) become plasmolysed d) be flaccid 10) If an animal cell is placed in distilled water it would... a) burst b) shrink c) become plasmolysed d) become turgid 11) What type of solution will leave plant cells flaccid? a) Hypotonic b) Isotonic c) Hypertonic 12) The term used to describe the property of a cell membrane that allows some molecules to pass through but not others. a) fully permeable b) not permeable c) selectively permeable d) impermeable 13) The type of molecule in the cell membrane which is responsible for moving molecules across the membrane by active transport. a) protein b) phospholipid c) carbohydrate d) cellulose 14) Hypotonic solutions are ones that are a) more concentrated than the cell contents b) less concentrated than the cell contents 15) Hypertonic solutions are ones that are a) more concentrated than the cell contents b) less concentrated than the cell contents 16) A hypertonic solution leads to plant cells becoming a) flaccid b) plasmolysed c) turgid 17) Root hairs pick up minerals and ions using a) active transport b) osmosis c) diffusion

FFynone House AQA biology: Cell transport (maze chase)

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