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Daily Practice

GCSE Science

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25th February 1990

5 questions · GCSE · 584 questions in this band

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  1. 1
    Communicable Diseases and Pathogens

    Why can HIV not be treated with antibiotics?

  2. 2
    Human Defences, Vaccination and Drug Development

    What is tested during preclinical testing?

  3. 3
    Bioenergetics

    A lamp is placed 10 cm from pondweed. Calculate the relative light intensity using relative light intensity = 1 / distance^2.

  4. 4
    Photosynthesis

    A lamp is moved from 15 cm to 30 cm away. What happens to the light intensity?

  5. 5
    Respiration, Exercise and Metabolism

    Explain, in terms of respiration, why a build-up of lactic acid causes muscle fatigue during vigorous exercise.

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