Aerobic Respiration (Cambridge O Level Biology)

Exam Questions

49 mins18 questions
1
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1 mark

Glucose is broken down in the chemical processes of aerobic respiration.

Which row of the table below shows the correct products of this breakdown?

 

energy

water

lactic acid

carbon dioxide

A

X X ✓ X

B

✓ X X ✓

C

X ✓ X ✓

D

✓ ✓ X ✓

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    2
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    Which of the following is the correct word equation for aerobic respiration in plants?

    • glucose + oxygen → carbon dioxide + water

    • carbon dioxide + water → glucose + oxygen

    • glucose + water → carbon dioxide + oxygen

    • glucose + carbon dioxide → water + oxygen

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    3
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    Which of the following processes require, and are dependent on, the activity of enzymes?

    1. aerobic respiration
    2. glucose → lactic acid
    3. osmosis
    4. anaerobic respiration in yeast
    • 1 and 2

    • 1 and 3

    • 1, 2 and 4

    • All of them 

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    41 mark

    What is not a feature of aerobic respiration? 

    • It occurs in both plants and animals.

    • It releases a smaller amount of energy than anaerobic respiration.

    • It requires the presence of oxygen.

    • The end products are carbon dioxide and water.

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    51 mark

    What are the products of aerobic respiration in animals and plants? 

    • carbon dioxide and glucose 

    • carbon dioxide and water

    • glucose and oxygen

    • lactic acid

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    1
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    The diagram below shows an experimental set-up which can be used to investigate gas exchange in a plant leaf.

    12--image-1-gas-exchange-leaf

    In which direction would the ink drop move and for what reason?

      direction reason
    A to the right photosynthesis
    B to the left photosynthesis
    C to the right respiration
    D to the left respiration

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      21 mark

      In an investigation, scientists treated plant roots with a chemical that stops aerobic respiration. They observed that after the treatment, the plant roots absorbed nitrate ions more slowly. 

      Which statement explains this observation?

      • Anaerobic respiration does not release energy.

      • The plant cells cannot respire.

      • There is less energy for active transport of nitrate ions.

      • There is less energy for diffusion of nitrate ions.

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      1
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      Four metabolic reactions that can occur in living organisms are shown below:

      1. C6H12O6 + 6O2 → 6CO2+ 6H2O
      2. glucose → lactic acid
      3. 6CO2+ 6H2O → C6H12O6 + 6O2
      4. C6H12O6 → 2C2H5OH + 2CO2

      Which of the above reactions take place in yeast cells to release energy?

      • 1 and 2

      • 1 and 3

      • 3 and 4

      • 1 and 4

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      2
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      1 mark

      Which of the following processes would release the most energy in a cell from one molecule of glucose?

      1. Aerobic respiration in yeast
      2. Aerobic respiration in animals
      3. Aerobic respiration in plants
      • 2 only

      • 3 only

      • 1 & 3

      • All of the above

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      3
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      In which conditions would the cells of a dicotyledonous green plant respire?

       

      mesophyll cell

      root hair cell

      darkness

      bright light

      darkness

      bright light

      A

      ✓ X ✓ X

      B

      X ✓ X X

      C

      X X X X

      D

      ✓ ✓ ✓ ✓

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        4
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        Which of the following is the correct balanced symbol equation for aerobic respiration in yeast cells?

        • C6H12O6   +  6 O2 →  6 CO2 + 6 H2O

        • C6H12O6 →  2 C3H6O3

        • 6 CO2 + 6 H2O →  C6H12O6  + 6 O2

        • C6H12O6  →  2 C2H5OH + 2 CO2

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        51 mark

        The diagram shows the apparatus used to investigate the rate of respiration of germinating pea seeds.q5-10-2-aerobic-respiration-hard-mcq-cie-o-level-biology

        In an experiment, the coloured oil drop moved 24mm to the left in 30 minutes.
        Calculate the rate of respiration of the pea seeds in:
        mm3 of oxygen, per gram of pea seeds, per minute.
        Assume π = 3.0

        • 0.03mm3 /g/min 

        • 0.06mm3 /g/min

        • 0.12mm3 /g/min

        • 0.60mm3 /g/min

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