AQA GCSE Biology - Diffusion and osmosis
Quiz by Whittle
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12 questions
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- Q1Diffusion is...the movement of particles from an area of LOW concentration to an area of HIGH concentrationthe movement of particles from an area of HIGH concentration to an area of LOW concentration30s
- Q2The difference in concentration between two areas is called the...rate of diffusionconcentration gradienttemperatureconcentration difference30s
- Q3What effect will an increase in temperature have on the rate of diffusion?Decrease the rateNo effectIncrease the rate30s
- Q4Which statement is TRUE about oxygen in the lungs?Oxygen concentration in the lungs and the blood is the sameOxygen is in HIGHER concentration in the lungs compared to the bloodOxygen is in LOWER concentration in the lungs compared to the blood30s
- Q5The diffusion of oxygen and carbon dioxide in the lungs is know as....gas mobilitygas exchangerespirationgas diffusion30s
- Q6Cells that are adapted to make diffusion faster and easier often have..many mitochondriafolded membranessmall surface areano nucleus30s
- Q7A cell is placed in a solution that is MORE DILUTE than the cell. We say the solution is:IsotonicHypotonicHypertonic30s
- Q8A cell is placed in a solution that is MORE CONCENTRATED than the cell. We say the solution is:IsotonicHypotonicHypertonic30s
- Q9A cell is placed in a solution that is the SAME concentration as the cell. We say the solution is:HypertonicHypotonicIsotonic30s
- Q10Osmosis is the movement of which type of molecule?WaterSugarsaltSolutes30s
- Q11For osmosis to happen, there must be...a partially-permeable membranea impermeable membraneno membranea fully permeable membrane30s
- Q12In osmosis, water moves from...a more dilute solution to a more concentrated solutiona more concentrated solution to a more dilute solution30s