Cellular Homeostasis
Biology ⇒ Cell Biology
Cellular Homeostasis starts at 9 and continues till grade 12.
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See sample questions for grade 10
A cell is placed in a solution and water moves out of the cell. What type of solution is the cell in?
A cell is placed in an isotonic solution. What will happen to the cell?
A plant cell is placed in a hypertonic solution. What will happen to the cell?
Describe the difference between active and passive transport.
A cell is placed in a solution and water moves out of the cell. What type of solution is the cell in?
A cell is placed in an isotonic solution. What will happen to the cell?
A plant cell is placed in a hypertonic solution. What will happen to the cell?
Describe what would happen to a freshwater protozoan if placed in salt water.
A red blood cell placed in a hypotonic solution will (1) shrink (2) swell and burst (3) remain the same size (4) become rigid
Which of the following best describes equilibrium in the context of cellular homeostasis? (1) No movement of molecules (2) Equal concentration of molecules on both sides of the membrane (3) More molecules inside the cell than outside (4) More molecules outside the cell than inside
Which of the following best describes the function of aquaporins? (1) Transport proteins for glucose (2) Channels for water movement (3) Enzymes for ATP production (4) Structural proteins in the cytoskeleton
Which of the following best describes turgor pressure in plant cells? (1) Pressure caused by water loss (2) Pressure of the cell membrane against the cell wall due to water intake (3) Pressure from the nucleus (4) Pressure from mitochondria
Fill in the blank: The energy currency used by cells for active transport is __________.
Fill in the blank: The maintenance of a stable internal environment in a cell is known as __________.
Fill in the blank: The movement of molecules from an area of higher concentration to an area of lower concentration is called __________.
Fill in the blank: The process by which large particles are engulfed by the cell membrane to form a vesicle is called __________.
True or False: Endocytosis is a process by which cells expel materials to the outside.
True or False: Exocytosis is a process that removes waste materials from the cell.
True or False: Facilitated diffusion requires energy from ATP.
True or False: Osmosis is the movement of water molecules from an area of low concentration to an area of high concentration across a selectively permeable membrane.
