Christmas Biology Exam Practice Test 1

32 Questions | Total Attempts: 101

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Christmas Biology Exam Practice Test 1

Practice for the Christmas Biology Exam using past BGCSE Paper 1 questions.


Questions and Answers
  • 1. 
    What is the correct way to write the scientific name for modern man?
    • A. 

      Homo sapiens

    • B. 

      Homo Sapiens

    • C. 

      Homo Sapiens

    • D. 

      Homo sapiens

  • 2. 
    A group of organisms which can produce fertile offspring with one another is called a
    • A. 

      Class.

    • B. 

      Family.

    • C. 

      Genus.

    • D. 

      Species.

  • 3. 
    The bar graph shows the number of different types of organisms on a small coral reef. How many vertebrates are there on the reef?
    • A. 

      4

    • B. 

      7

    • C. 

      13

    • D. 

      20

  • 4. 
    The diagram shows an aquatic ecosystem. Which of the labeled organisms form a population?
    • A. 

      X

    • B. 

      Y

    • C. 

      Z

    • D. 

      X, Y and Z

  • 5. 
    The bar graph shows the relative quantities of organisms in a food chain. Which letter represents the herbivore?
    • A. 

      A

    • B. 

      C

    • C. 

      D

  • 6. 
    Which cells in the leaf contain the most chloroplasts?
    • A. 

      Lower epidermal cells

    • B. 

      Palisade mesophyll cells

    • C. 

      Spongy mesophyll cells

    • D. 

      Upper epidermal cells

  • 7. 
    Which part of the cell controls all activities?
    • A. 

      Cytoplasm

    • B. 

      Membrane

    • C. 

      Nucleus

    • D. 

      Vacuole

  • 8. 
    The apparatus shows four potato cylinders of equal lengths in solutions of different salt concentrations.  Which potato cylinder increased in length?
    • A. 

      A

    • B. 

      B

    • C. 

      C

    • D. 

      D

  • 9. 
    The table shows three food testing chemicals and the results of the tests performed on coconut jelly.  Which nutrients are present in the jelly?
    • A. 

      Fat, protein

    • B. 

      Fats, sugar

    • C. 

      Proteins, sugar

    • D. 

      Protein, sugar, fat

  • 10. 
    The diagram shows the outline of some root cells. Which feature of cell P makes it more efficient in absorbing water than cell Q?
    • A. 

      The amount of its surface are

    • B. 

      The concentration of its cell sap

    • C. 

      The size of its vacuole

    • D. 

      The thickness of its membrane

  • 11. 
    The table shows the conditions which affect the transpiration rate in plants.  Which correctly shows the effects of changes in external conditions on the rate of transpiration?
    • A. 

      A

    • B. 

      B

    • C. 

      C

    • D. 

      D

  • 12. 
    Why do leaves wilt when they lose a lot of water?
    • A. 

      Guard cells are flaccid

    • B. 

      Mesophyll cells are no longer turgid

    • C. 

      Phloem transport has stopped

    • D. 

      Stomata are closed

  • 13. 
    Which correctly matches the structure with its function?
    • A. 
    • B. 
    • C. 
    • D. 
  • 14. 
    Which of the following characteristics of living organisms enables them to detect and respond to stimuli?
    • A. 

      Excretion

    • B. 

      Growth

    • C. 

      Irritability

    • D. 

      Movement

  • 15. 
    The diagram shows a mammal. Which characteristic of living things is represented by the arrows?
    • A. 

      Excretion

    • B. 

      Growth

    • C. 

      Nutrition

    • D. 

      Respiration

  • 16. 
    Which of the following animal pairs are most closely related to each other?
    • A. 

      Bony fish and crawfish

    • B. 

      Frog and lizard

    • C. 

      Grouper and shark

    • D. 

      Lion and seahorse

  • 17. 
    Which consumer obtains its energy from producers only?
    • A. 

      Carnivore

    • B. 

      Herbivore

    • C. 

      Decomposer

    • D. 

      Omnivore

  • 18. 
    The diagram shows a foodchain.  Overfishing the barracuda may result in the
    • A. 

      Decrease in the number of shads.

    • B. 

      Decrease in the number of prickly winkles.

    • C. 

      Increase in the number of crabs.

    • D. 

      Increase in the number of prickly winkles.

  • 19. 
    Which process removes carbon dioxide out of the atmosphere?
    • A. 

      Combustion

    • B. 

      Decompostion

    • C. 

      Photosynthesis

    • D. 

      Respiration

  • 20. 
    The diagrams show four types of instruments used to capture marine species. Which method is illegal in The Bahamas?
    • A. 
    • B. 
    • C. 
    • D. 
  • 21. 
    Which is the most important method used today to protect the mangrove ecosystem?
    • A. 

      Limit collection of firewood.

    • B. 

      Moving the animals to a zoo.

    • C. 

      Pass laws to preserve the ecosystem.

    • D. 

      Put dams around the ecosystem.

  • 22. 
    Which of the following is an example of osmosis?
    • A. 

      Mineral salts passing into root hairs

    • B. 

      Oxygen passing into the blood

    • C. 

      Sunlight entering the leaf

    • D. 

      Water moving into root hairs

  • 23. 
    An experiment was set up to demonstrate a process which occurs in living organisms. After 30 minutes, the level in the thistle funnel rose. What does this show?
    • A. 

      Liquid X is a concentrated solution and Y is a dilute solution.

    • B. 

      Liquid X and liquid Y are dilute solutions.

    • C. 

      Liquid X is a dilute solution and liquid Y is a concentrated solution.

    • D. 

      Liquid X and liquid Y are concentrated solutions.

  • 24. 
    Which enzyme breaks down fat?
    • A. 

      Amylase

    • B. 

      Carbohydrase

    • C. 

      Lipase

    • D. 

      Protease

  • 25. 
    Which cell is best suited to transmit impulses?
    • A. 
    • B. 
    • C. 
    • D. 
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