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Gaseous exchange & Respiration

Quiz by Arjumand Hasan Nahdi

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20 questions
Show answers
  • Q1
    1. The diagram shows a section through an alveolus and through a capillary, How does carbon dioxide move from Y to X?
    Question Image
    by transpiration
    by translocation
    by diffusion
    by osmosis
    60s
  • Q2
    2.Muscles are responsible for the ventilation of the lungs during breathing. Which row describes their action during the inspiration of air?
    Question Image
    B
    D
    C
    A
    60s
  • Q3
    3.Which process releases the most energy from one molecule of glucose?
    D. photosynthesis
    C. anaerobic respiration in yeast
    A. aerobic respiration
    B. anaerobic respiration in muscle
    60s
  • Q4
    4. What helps oxygen to be absorbed rapidly into the blood in the lungs?
    Air breathed in has less oxygen than air breathed out.
    Alveoli have thick walls and a large surface area
    The concentration of oxygen in the blood is higher than in the alveoli.
    Alveoli have thin walls and a large surface area.
    60s
  • Q5
    5. The flow diagram summarises three different ways that glucose can be broken down to release energy.
    Question Image
    1 only
    1,2 and 3
    2 and 3 only
    1 and 2 only
    60s
  • Q6
    6. The body has different types of defenses against pathogens , 1 antibodies 2. hair in the nose 3. mucus 4. skin . Which defences help to prevent pathogens reaching the alveoli when breathing in?
    2 ,3 and 4 only
    2 only
    1,2 and 3
    2 and 3 only
    60s
  • Q7
    7. What are the approximate percentages of oxygen and carbon dioxide in inspired air?
    Question Image
    C
    B
    A
    D
    60s
  • Q8
    8. The graph shows the lactic acid concentration in blood during and after exercise. Which process accounts for the shape of the graph at Z?
    Question Image
    anaerobic respiration of lactic acid in the kidney
    aerobic respiration of lactic acid in the kidney
    aerobic respiration of lactic acid in the liver
    anaerobic respiration of lactic acid in the liver
    60s
  • Q9
    9. The diagram illustrates changes in air pressure taking place inside the lungs during a complete cycle of breathing. Atmospheric pressure is 101 kPa. At which point on the diagram are the ribs beginning to be lowered?
    Question Image
    C
    D
    A
    B
    60s
  • Q10
    10. Which process uses energy released by respiration?
    Growth
    Diffusion
    Osmosis
    Evaporation
    60s
  • Q11
    11. Which pathway is followed by air passing into the body?
    Question Image
    A
    C
    D
    B
    60s
  • Q12
    12. Oxygen is required for aerobic respiration. How many molecules of oxygen are required for the aerobic respiration of three molecules of glucose?
    6
    12
    3
    18
    60s
  • Q13
    13. Which statement about both aerobic and anaerobic respiration is correct?
    Question Image
    B
    C
    A
    D
    60s
  • Q14
    14. The graph shows the energy released by two animals through respiration as the external temperature changes. Which conclusion can be drawn from the graph?
    Question Image
    As the temperature rises, respiration always increases.
    Animals 1 and 2 release the least energy at 23 °C.
    Animal 2 always respires faster than animal 1.
    The rate of respiration is the same for both animals at 23 °C
    60s
  • Q15
    15. The flow diagram summarises three different ways that glucose can be broken down to release energy Aerobic respiration involves the breakdown of glucose. C6H12O6 + …....x…….O2 → …….y…...H2O + …....z…...CO2 + energy . Which values for x, y and z balance the equation?
    Question Image
    B
    C
    D
    A
    60s

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