Lesson 4.1.3.3

4.1.3.3 Active transport Quiz: AQA Biology, Unit 1

20 questions

Written by Revision Ninja · Last reviewed 11 October 2026

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Lesson 4.1.3.3, Active transport: 20 multiple choice questions for the AQA GCSE Biology (8461), Unit 1: Cell biology, written with Revision Ninja.

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The 20 questions

  1. How are substances moved across cell membranes during active transport?

    • By simple diffusion
    • Against concentration gradient
    • Down concentration gradient
    • Along concentration gradient

  2. From what type of solution to what type does active transport move substances?

    • Dilute to pure
    • Dilute to concentrated
    • Concentrated to dilute
    • Concentrated to pure

  3. Where does the energy required for active transport come from?

    • Cellular respiration
    • Protein synthesis
    • Cellular digestion
    • Photosynthesis

  4. From where do plant root hair cells absorb mineral ions via active transport?

    • Concentrated cell sap
    • Rainwater droplets
    • Air spaces
    • Dilute soil solutions

  5. Why do plants require mineral ions absorbed by root hair cells?

    • For healthy growth
    • For active movement
    • For water intake
    • For respiration

  6. Which process absorbs sugar from lower gut concentrations into higher blood concentrations?

    • Osmosis
    • Active transport
    • Diffusion
    • Transpiration

  7. Why must sugar be absorbed from the gut into the blood using active transport?

    • Zero blood concentration
    • Lower blood concentration
    • Equal concentration
    • Higher blood concentration

  8. Which of these processes requires energy?

    • Diffusion
    • Osmosis
    • Diffusion of oxygen
    • Active transport

  9. Unlike diffusion, what does active transport require to move substances across membranes?

    • Energy from respiration
    • No energy input
    • Light energy
    • Kinetic energy only

  10. Which process moves substances against a concentration gradient using energy?

    • Diffusion
    • Osmosis
    • Transpiration
    • Active transport

  11. What happens to active transport if cellular respiration stops?

    • It speeds up
    • It remains unchanged
    • It stops
    • It reverses direction

  12. Which process allows plant root hair cells to absorb mineral ions from dilute soil?

    • Osmosis
    • Transpiration
    • Diffusion
    • Active transport

  13. Which substance is absorbed by active transport from the human gut into the blood?

    • Water
    • Oxygen
    • Sugar
    • Carbon dioxide

  14. Which process is described as moving substances against a concentration gradient?

    • Diffusion
    • Gas exchange
    • Osmosis
    • Active transport

  15. Which substance is absorbed by active transport in plant root hairs?

    • Mineral ions
    • Water only
    • Carbon dioxide only
    • Oxygen only

  16. What source of energy is required for active transport to take place?

    • Respiration
    • Transpiration
    • Sunlight
    • Photosynthesis

  17. Which organelle provides energy for active transport in root hair cells?

    • Mitochondria
    • Ribosomes
    • Vacuoles
    • Chloroplasts

  18. Why is active transport needed to absorb sugar from the gut into the blood?

    • Equal concentration
    • Higher blood concentration
    • Lower blood concentration
    • No concentration gradient

  19. Active transport moves substances from a dilute solution to what kind of solution?

    • Less concentrated
    • More concentrated
    • More dilute
    • Equal concentration

  20. Which feature is found in high numbers in cells carrying out rapid active transport?

    • Nuclei
    • Chloroplasts
    • Mitochondria
    • Ribosomes

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