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Would You Pass School Biology Right Now?

If all the questions were multiple choice, that is. Real questions from past GCSE exam papers.

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  1. Correct
    Incorrect
    Correct
    Incorrect
    Correct
    Incorrect
    Correct
    Incorrect
    Correct!
    Wrong!

    Homeostasis.

    The human body has to be kept within a narrow range of conditions, including water content, ion content, body temperature and blood glucose concentration.

  2. Correct
    Incorrect
    Stem cells dividing.
    Correct
    Incorrect
    Sex cells dividing.
    Correct
    Incorrect
    Organs working together.
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    Incorrect
    Similar cells working together.
    Correct!
    Wrong!

    A tissue is a group of specialised cells that have a similar structure and function.

  3. Correct
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    Correct
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    Correct
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    Correct!
    Wrong!

    In binomial nomenclature, the first part of the name refers to the genus and the second part to the species.

  4. Correct
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    Correct
    Incorrect
    Correct!
    Wrong!

    Photosynthesis.

    In photosynthesis, carbon dioxide and water are made into glucose and oxygen using light.

  5. Correct
    Incorrect
    At the membrane.
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    Incorrect
    In the mitochondria.
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    Incorrect
    In the nucleus.
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    Incorrect
    At the ribosome.
    Correct!
    Wrong!

    They are put together at a cell's ribosome. Ribosomes link amino acids together in the order specified by messenger RNA (mRNA) molecules.

  6. Correct
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    Correct!
    Wrong!

    If there are three flowers in a 1m2 quadrat, in a garden 20 times bigger there will be approximately 3 x 20 = 60 flowers.

  7. Correct
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    Correct!
    Wrong!

    Haploid means a cell has a single set of unpaired chromosomes. Most cells are diploid, meaning they have two complete sets of chromosomes, but sex cells are haploid.

  8. Correct
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    Correct!
    Wrong!

    It's a stimulant, which means it induces temporary physical/mental improvements.

  9. Correct
    Incorrect
    Thymine with adenine, cytosine with guanine.
    Correct
    Incorrect
    Thymine with guanine, adenine with cytosine.
    Correct
    Incorrect
    Uracil with adenine, guanine with cytosine.
    Correct
    Incorrect
    Uracil with thymine, guanine with cytosine.
    Correct!
    Wrong!

    Uracil is seen in RNA, not DNA.

  10. Correct
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    Correct
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    Correct
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    Correct
    Incorrect
    Correct!
    Wrong!

    Antigen = antibody generator. Antibodies are used by the immune system to neutralise foreign objects like bacteria and viruses.

  11. Correct
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    A gene from another species.
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    A gene from the same species.
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    Chromosomes from the same species.
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    Proteins from another species.
    Correct!
    Wrong!

    For example, an insulin producing gene can be inserted into a bacterium to allow insulin to be made on a large scale. Technically, a gene from the same species but a different organism would also count as transgenic – but this was the wording in the exam paper, so we kept it.

  12. Correct
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    Correct!
    Wrong!

    Cholera is a disease caused by a bacterium that spreads through water. Thorough boiling or adding chlorine to the water can reduce the chance of spreading microbes in this way.

  13. Correct
    Incorrect
    Make bile.
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    Make lipase.
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    Incorrect
    Store bile.
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    Incorrect
    Store lipase.
    Correct!
    Wrong!

    Bile is stored in the gall bladder before it's released into the small intestine.

  14. Correct
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    Correct
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    Correct
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    Correct!
    Wrong!

    Energy is needed to transport sugars through plants, and its made by the mitochondria.

  15. Correct
    Incorrect
    One X chromosome.
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    Incorrect
    One Y chromosome.
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    Incorrect
    Two X chromosomes.
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    Incorrect
    Two Y chromosomes.
    Correct!
    Wrong!

    Sex cells contain a single set of unpaired chromosomes. Eggs always have an X, but sperm can have an X or Y.

 
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