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6th grade cells, genetics and evolution

6th grade (Year 7 in England) · 16 questions · Common Core: NGSS.MS-LS1-1, NGSS.MS-LS1-2, NGSS.MS-LS4-1, NGSS.MS-LS4-2 · England: KS3 Biology: Cells and organisation, KS4 Combined Science: Cell biology, KS2 Y6 Evolution and inheritance

Name

Date

Score/ 16

  1. Question 1

    Evolution: which statement is true?

    • A. Dinosaurs and early humans lived at the same time.
    • B. Humans evolved from modern chimpanzees.
    • C. Individual animals evolve during their own lifetime.
    • D. Evolution happens over many generations.
  2. Question 2

    Why do animal cells not need a cell wall?

    • A. Walls would stop all substances entering
    • B. Animal cells are too small for walls
    • C. Animal cells have chloroplasts instead
    • D. Animals are supported by skeletons and their cells need to be flexible
  3. Question 3

    Plant and animal cells: which statement is NOT true?

    • A. Animal cells have a cell membrane but no cell wall.
    • B. Plant cells have a cell wall instead of a cell membrane.
    • C. A cell wall is made of cellulose in plants.
    • D. Both plant and animal cells have mitochondria.
  4. Question 4

    Five students measured their heights in cm: 147, 180, 150, 172, 164. What is the range of their heights, in cm?

    Answercm

  5. Question 5

    Cells: which statement is NOT true?

    • A. Most plant cells have a large permanent vacuole.
    • B. Both plant and animal cells have a nucleus, cytoplasm and a cell membrane.
    • C. Bacterial cells have no nucleus.
    • D. All plant cells have chloroplasts.
  6. Question 6

    What does the chloroplasts do?

    • A. where aerobic respiration releases energy from glucose
    • B. controls what the cell does
    • C. jelly-like liquid where most chemical reactions take place
    • D. contain chlorophyll to absorb light
  7. Question 7

    Muscle cells in a sprinter's legs contain huge numbers of one structure. Which?

    • A. chloroplasts
    • B. cell walls
    • C. mitochondria
    • D. vacuoles
  8. Question 8

    Is this continuous or discontinuous variation: hand span?

    • A. continuous
    • B. discontinuous
  9. Question 9

    Which part of a cell matches this description: where aerobic respiration releases energy from glucose?

    • A. mitochondria
    • B. ribosomes
    • C. permanent vacuole
    • D. chloroplasts
  10. Question 10

    This is a plant cell. Which part has the ring around it?

    • A. cell wall
    • B. mitochondria
    • C. vacuole
    • D. cytoplasm
  11. Question 11

    Which part of a cell is made of cellulose?

    • A. chloroplasts
    • B. cell wall
    • C. cell membrane
    • D. nucleus
  12. Question 12

    Finches on different islands have different beak shapes. The best explanation is…

    • A. Each bird stretched its beak to reach food.
    • B. The birds chose their beak shape.
    • C. Beak shape is random and has no effect.
    • D. Beaks suited to each island's food helped birds survive and breed.
  13. Question 13

    Evolution: which statement is NOT true?

    • A. Evolution happens over many generations.
    • B. Species can become extinct.
    • C. Birds are descended from dinosaurs.
    • D. Individual animals evolve during their own lifetime.
  14. Question 14

    Single-celled and many-celled life: which statement is true?

    • A. A mushroom is a single cell.
    • B. Single-celled organisms cannot move.
    • C. All single-celled organisms are bacteria.
    • D. Some fungi, such as yeast, are single-celled.
  15. Question 15

    An amoeba has no lungs or stomach. How does oxygen get into it?

    • A. through tiny lungs
    • B. through its cell wall made of wood
    • C. by diffusion through its cell membrane
    • D. it does not need oxygen ever
  16. Question 16

    Is this organism unicellular or multicellular: a mushroom?

    • A. unicellular (one cell)
    • B. multicellular (many cells)

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Answer key: 6th grade cells, genetics and evolution

  1. 1. D. Evolution happens over many generations.

  2. 2. D. Animals are supported by skeletons and their cells need to be flexible

  3. 3. B. Plant cells have a cell wall instead of a cell membrane.

  4. 4. 33 cm

  5. 5. D. All plant cells have chloroplasts.

  6. 6. D. contain chlorophyll to absorb light

  7. 7. C. mitochondria

  8. 8. A. continuous

  9. 9. A. mitochondria

  10. 10. C. vacuole

  11. 11. B. cell wall

  12. 12. D. Beaks suited to each island's food helped birds survive and breed.

  13. 13. D. Individual animals evolve during their own lifetime.

  14. 14. D. Some fungi, such as yeast, are single-celled.

  15. 15. C. by diffusion through its cell membrane

  16. 16. B. multicellular (many cells)