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Chapter 1 Practice Paper: Cell structure and division — question paper

QuizQuipPractice Series
QQ/GCSE-BIO/CH1

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

Chapter 1 Practice Paper

Cell structure and division

Duration: 40 minutes
Total: 30 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 30.

Original practice material written for the MOE GCSE Biology syllabus. It is not an official MOE or school examination paper. Chapter 1: eukaryotic and prokaryotic cells, animal and plant cell structures, specialisation, the microscopy required practical, magnification calculations, the cell cycle and mitosis, and stem cells.

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

    Which structure is present in a plant cell but absent from an animal cell?

    1. Aribosome
    2. Bcytoplasm
    3. Ccellulose cell wall
    4. Dcell membrane
    ( )
  2. 2

    The function of ribosomes is

    1. Aprotein synthesis
    2. Bphotosynthesis
    3. Cstoring cell sap
    4. Dreleasing energy from glucose
    ( )
  3. 3

    Bacterial cells are described as prokaryotic because they

    1. Acontain mitochondria
    2. Bare always multicellular
    3. Chave a cellulose cell wall
    4. Dhave no nucleus
    ( )
  4. 4

    Which cell is adapted for carrying impulses by having a long axon?

    1. Amuscle cell
    2. Bnerve cell
    3. Croot hair cell
    4. Dxylem cell
    ( )
  5. 5

    A cell 0.05 mm wide is viewed at a total magnification of ×40. Its image width is

    1. A0.2 mm
    2. B20 mm
    3. C2 mm
    4. D0.002 mm
    ( )
  6. 6

    One millimetre in metres is

    1. A10⁻³ m
    2. B10⁻⁶ m
    3. C10⁻⁹ m
    4. D10³ m
    ( )
  7. 7

    DNA replication happens during

    1. Amitosis itself
    2. Bthe division of the cytoplasm
    3. Cfertilisation
    4. Dthe growth stage before mitosis
    ( )
  8. 8

    The two cells produced by mitosis are

    1. Ahaploid and genetically varied
    2. Bidentical to each other and to the parent cell
    3. Chalf the size of the parent cell
    4. Dalways stem cells
    ( )
  9. 9

    Which statement about embryonic stem cells is correct?

    1. Athey can only form blood cells
    2. Bthey are fully differentiated
    3. Cthey can differentiate into most cell types
    4. Dthey are found in root meristems
    ( )
  10. 10

    Therapeutic cloning produces embryos

    1. Agenetically matched to the patient
    2. Bwith genes from two unrelated donors
    3. Cthat can never divide
    4. Dcarrying bacterial plasmids
    ( )

Section B: Structured questions[20 marks]

Answer all questions in the spaces provided.

  1. 11

    Complete the table about sub-cellular structures.

    Sub-cellular structures

    StructureFound inFunction
    (a)Animal and plant cellsContains the chromosomes
    Cell membrane(b)Controls what enters and leaves
    Chloroplast(c)(d)
    Plasmid(e)Carries extra genes that can be shared between bacteria
    1. (a)

      Name the structure that contains the chromosomes.

      [1]
    2. (b)

      State the cell types that have a cell membrane.

      [1]
    3. (c)

      State the cell types that have chloroplasts.

      [1]
    4. (d)

      State the function of a chloroplast.

      [1]
    5. (e)

      State the cell type that has plasmids.

      [1]
  2. 12

    An electron micrograph shows a mitochondrion with an image length of 60 mm. The magnification is ×12 000.

    1. (a)

      Calculate the real length of the mitochondrion in millimetres.

      [2]
    2. (b)

      Give the real length in micrometres.

      [1]
    3. (c)

      Explain why this detail could not be seen with a light microscope.

      [2]
    4. (d)

      State one safety precaution when handling glass slides and cover slips.

      [1]
  3. 13

    This question is about the cell cycle.

    1. (a)

      Put these events in the correct order: cytoplasm divides; DNA replicates; chromosomes are pulled to each end of the cell.

      [1]
    2. (b)

      State what else increases during the growth stage besides DNA.

      [1]
    3. (c)

      Explain why both new cells carry the same genes as the original parent cell.

      [1]
    4. (d)

      A scientist counts 200 cells in a growing tissue and finds 50 of them in mitosis. Calculate the percentage of cells in mitosis.

      [2]
  4. 14

    This question is about the use of stem cells in medicine.

    1. (a)

      State two sources of stem cells in humans.

      [2]
    2. (b)

      Give one benefit and one risk of using stem cells from therapeutic cloning in medicine.

      [2]

— End of paper —