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Paper 1-style practice paper: Cell biology · Organisation · Infection and response · Bioenergetics (Foundation) — question paper

QuizQuipPractice Series
QQ/GCSE-BIO/P1-F

GCSE (9–1) · GCSE Biology (Foundation tier)

Paper 1-style practice paper

Cell biology · Organisation · Infection and response · Bioenergetics (Foundation)

Duration: 105 minutes
Total: 100 marks
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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 100.

Original practice material written for the MOE GCSE Biology syllabus. It is not an official MOE or school examination paper. Chapters 1–10: cell structure and division, transport in cells, enzymes and digestion, the heart and blood vessels, health and disease, plant transport, communicable disease and defences, monoclonal antibodies and plant disease, photosynthesis, and respiration.

For Examiner’s Use
Section A/ 10
Section B/ 90
Total/ 100

Section A: Multiple-choice questions[10 marks]

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

  1. 1

    Which organelle releases energy by aerobic respiration?

    1. Athe nucleus
    2. Bthe chloroplast
    3. Cthe mitochondrion
    4. Dthe vacuole
    ( )
  2. 2

    Which structure is found in bacterial cells but not in plant or animal cells?

    1. Aplasmids
    2. Ba nucleus
    3. Cchloroplasts
    4. Dmitochondria
    ( )
  3. 3

    Diffusion is the net movement of particles

    1. Aagainst a concentration gradient using energy
    2. Bfrom where they are more concentrated to where they are less concentrated
    3. Cthrough a fully permeable membrane only
    4. Dfrom where they are less concentrated to where they are more concentrated
    ( )
  4. 4

    In the osmosis practical, potato cylinders gain mass in a solution that is

    1. Astronger than the cell sap
    2. Bboiling hot
    3. Cthe same concentration as the cell sap
    4. Dmore dilute than the cell sap
    ( )
  5. 5

    Which enzyme in saliva breaks down starch?

    1. Aprotease
    2. Blipase
    3. Camylase
    4. Dpepsin
    ( )
  6. 6

    Bile speeds up fat digestion by

    1. Achemically digesting fat into fatty acids
    2. Bbreaking large fat drops into tiny droplets
    3. Cmaking hydrochloric acid
    4. Dabsorbing fat into the bloodstream
    ( )
  7. 7

    The pathogen that causes malaria is spread by

    1. Amosquitoes
    2. Bdroplet infection
    3. Ccontaminated water
    4. Ddirect skin contact
    ( )
  8. 8

    Antibiotics

    1. Akill viruses
    2. Bprevent every infection
    3. Care made by white blood cells
    4. Dkill bacteria
    ( )
  9. 9

    The usual limiting factors of photosynthesis are

    1. Astomata numbers only
    2. Bsoil pH only
    3. Clight intensity, carbon dioxide level and temperature
    4. Dchlorophyll mass only
    ( )
  10. 10

    Aerobic respiration releases energy from

    1. Aoxygen only
    2. Bglucose
    3. Ccarbon dioxide
    4. Dlactic acid
    ( )

Section B: Structured questions[90 marks]

Answer all questions in the spaces provided.

  1. 11

    This question is about cells and microscopy.

    1. (a)

      Name the control centre of an animal cell and the jelly-like substance where most reactions happen.

      [2]
    2. (b)

      Give two features a plant cell has that an animal cell does not.

      [2]
    3. (c)

      Put these steps for preparing an onion-cell slide in order: add a cover slip; place the thin layer on a drop of water; peel a thin layer of onion; stain with iodine.

      [4]
    4. (d)

      A cell in a micrograph is 8 mm wide. The real cell is 0.04 mm wide. Calculate the magnification.

      [3]
    5. (e)

      What is a stem cell? Name one source of stem cells in humans and one way doctors hope to use them.

      [4]
  2. 12

    This question is about transport in cells.

    1. (a)

      Define osmosis.

      [2]
    2. (b)

      Describe how a student can use potato cylinders and different sugar solutions to find the concentration of the cell sap inside the potato.

      [4]
    3. (c)

      A potato cylinder has a mass of 2.0 g before and 2.4 g after soaking in pure water. Calculate the percentage change in mass.

      [3]
    4. (d)

      Explain why root hair cells use active transport to take in mineral ions, and name the process that provides the energy.

      [3]
    5. (e)

      Explain why single-celled organisms do not need exchange surfaces but large animals do.

      [3]
  3. 13

    This question is about enzymes and digestion.

    1. (a)

      State what enzymes do and why they are described as catalysts.

      [2]
    2. (b)

      Describe how a student could investigate the effect of pH on the digestion of starch by amylase.

      [4]
    3. (c)

      Explain, using the idea of the active site, why amylase stops working above its optimum temperature.

      [3]
    4. (d)

      Describe the food test for reducing sugars, including the colour change.

      [3]
    5. (e)

      Name where in the body amylase, protease and lipase are made.

      [3]
  4. 14

    This question is about the heart, blood vessels and blood.

    1. (a)

      Name the four chambers of the heart.

      [2]
    2. (b)

      Which side of the heart pumps blood to the lungs, and which side pumps blood to the rest of the body?

      [2]
    3. (c)

      Explain why the wall of the left ventricle is thicker than the wall of the right ventricle.

      [3]
    4. (d)

      Describe two ways red blood cells are adapted to carry oxygen.

      [3]
    5. (e)

      Coronary heart disease is common in the UK. Describe what happens in coronary heart disease, how stents and statins help, and give one lifestyle factor that raises the risk.

      [5]
  5. 15

    This question is about communicable disease and the body's defences.

    1. (a)

      What is a pathogen? Name the four main types of pathogen.

      [2]
    2. (b)

      Match each disease to its type of pathogen: measles; salmonella; rose black spot; malaria.

      [4]
    3. (c)

      Describe three ways the body stops pathogens from getting inside.

      [3]
    4. (d)

      Describe the three main ways white blood cells defend against pathogens that do get inside.

      [3]
    5. (e)

      Explain how vaccination protects a person against a disease later in life.

      [3]
  6. 16

    This question is about photosynthesis and respiration.

    1. (a)

      Write the word equation for photosynthesis.

      [3]
    2. (b)

      Name the organelle where photosynthesis happens and the pigment it contains.

      [2]
    3. (c)

      A student uses pondweed to measure the rate of photosynthesis. Describe one way to measure the rate and name one variable that must be controlled.

      [3]
    4. (d)

      Write the word equation for aerobic respiration.

      [2]
    5. (e)

      Compare anaerobic respiration in exercising muscles with aerobic respiration.

      [3]
    6. (f)

      Explain why breathing and heart rate stay high for a while after hard exercise stops.

      [2]

— End of paper —