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Chapter 10 Practice Paper: Respiration, exercise and metabolism — question paper

QuizQuipPractice Series
QQ/GCSE-BIO/CH10

GCSE (9–1) · GCSE Biology (Foundation and Higher)

Chapter 10 Practice Paper

Respiration, exercise and metabolism

Duration: 40 minutes
Total: 30 marks
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Class:
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READ THESE INSTRUCTIONS FIRST

  • Answer all questions.
  • Section A contains ten multiple-choice questions. Choose one answer, A, B, C or D, for each.
  • Section B contains structured questions. Write your answers in the spaces provided.
  • You may use a calculator.
  • The number of marks is given in brackets [ ] at the end of each question or part question.
  • The total mark for this paper is 30.

Original practice material written for the MOE GCSE Biology syllabus. It is not an official MOE or school examination paper. Chapter 10: aerobic respiration, exercise responses and glycogen, anaerobic respiration and oxygen debt (Higher: liver oxidation), fermentation in yeast, and metabolism with its building-up and breaking-down reactions.

For Examiner’s Use
Section A/ 10
Section B/ 20
Total/ 30

Section A: Multiple-choice questions[10 marks]

Choose one answer for each question. Each question is worth 1 mark.

  1. 1

    Respiration happens

    1. Aonly during exercise
    2. Bonly in the daytime
    3. Cin every living cell, constantly
    4. Donly in plants
    ( )
  2. 2

    Aerobic respiration releases

    1. Aglucose and oxygen
    2. Bcarbon dioxide and water
    3. Cethanol and lactic acid
    4. Dstarch and glycogen
    ( )
  3. 3

    Anaerobic respiration in human muscle produces

    1. Alactic acid
    2. Bethanol
    3. Curea
    4. Dglycogen
    ( )
  4. 4

    Oxygen debt is repaid by

    1. Asitting completely still
    2. Bdrinking water
    3. Ccontinued deep breathing
    4. Deating sugar
    ( )
  5. 5

    Yeast fermentation produces

    1. Alactic acid and water
    2. Bglucose and oxygen
    3. Ccarbon dioxide and water
    4. Dethanol and carbon dioxide
    ( )
  6. 6

    Metabolism is

    1. Athe sum of all reactions in a cell or body
    2. Banother name for breathing
    3. Cthe speed of running
    4. Da diet plan
    ( )
  7. 7

    Excess protein is broken down to

    1. Aglycogen
    2. Blactic acid
    3. Curea
    4. Dethanol
    ( )
  8. 8

    A pulse rising from 68 to 136 bpm is an increase of

    1. A68%
    2. B100%
    3. C136%
    4. D50%
    ( )
  9. 9

    Glycogen in muscles is

    1. Aa waste product
    2. Ba protein
    3. Can enzyme
    4. Da glucose store
    ( )
  10. 10

    Bread rises because of

    1. Aoxygen bubbles from photosynthesis
    2. Bcarbon dioxide from fermentation
    3. Cethanol vapour
    4. Dsteam from the flour
    ( )

Section B: Structured questions[20 marks]

Answer all questions in the spaces provided.

  1. 11

    This question is about aerobic respiration.

    1. (a)

      Write the word equation.

      [2]
    2. (b)

      Name the organelle where it happens.

      [1]
    3. (c)

      Explain what is meant by calling respiration exothermic.

      [2]
  2. 12

    A swimmer trains hard for ten minutes.

    1. (a)

      Describe three responses of her body that increase oxygen and glucose delivery.

      [3]
    2. (b)

      Explain the role of glycogen during the first minutes of the swim.

      [2]
    3. (c)

      State the product that will build up if her oxygen supply falls short.

      [1]
  3. 13

    This question is about fermentation.

    1. (a)

      Write the word equation for fermentation in yeast.

      [2]
    2. (b)

      Explain one economic importance of this reaction.

      [2]
  4. 14

    (Higher) An athlete’s breathing rate was 14 breaths per minute at rest and stayed above 30 for six minutes after a race.

    1. (a)

      Calculate the percentage increase in breathing rate at the end of the race (32 breaths per minute), to the nearest whole number.

      [2]
    2. (b)

      Explain why the rate remains high for six minutes.

      [3]

— End of paper —