GCSE Edexcel Biology Topic 5 Flashcards
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Questions and Answers

What is the purpose of the message?

  • To provide definitions for Topic 5
  • To advertise an Easter revision course
  • To announce a scheduled maintenance period (correct)
  • To share detailed notes on Topic 5

    • What is the subject area covered in Topic 5?

  • Mathematics
  • General Science
  • Physics
  • Health, Disease and the Development of Medicines (correct)

    • Which exam board's specifications are covered in Topic 5?

  • Both AQA and Edexcel IGCSE (correct)
  • Edexcel IGCSE
  • OCR
  • AQA

    • What type of resources are provided for Topic 5?

    <p>Definitions, detailed notes, and questions</p> Signup and view all the answers

    What qualifications does the tutor have?

    <p>PhD and PGCE (Postgraduate Certificate in Education)</p> Signup and view all the answers

    According to the World Health Organisation (WHO), the definition of health includes aspects of:

    <p>Complete physical, mental, and social well-being</p> Signup and view all the answers

    What is considered when defining health according to the text?

    <p>Complete physical, mental, and social well-being</p> Signup and view all the answers

    Which statement best describes the WHO definition of health?

    <p>Health encompasses complete well-being in various aspects</p> Signup and view all the answers

    What does the WHO's definition of health emphasize?

    <p>Physical, mental, and social well-being</p> Signup and view all the answers

    In the WHO definition of health, what is NOT included?

    <p><strong>Only</strong> physical well-being</p> Signup and view all the answers

    Which of the following is true about the WHO's definition of health?

    <p><strong>Complete</strong> physical, mental, and social well-being is highlighted</p> Signup and view all the answers

    Which of these is a characteristic of communicable diseases?

    <p>They can be transferred between individuals</p> Signup and view all the answers

    What is the fecal-oral route?

    <p>The spread of diseases through parasites in feces</p> Signup and view all the answers

    Which of the following is an example of a non-communicable disease?

    <p>Cardiovascular disease</p> Signup and view all the answers

    What is the role of pathogens in disease transmission?

    <p>They cause diseases in plants and animals</p> Signup and view all the answers

    Which of the following statements about susceptibility to disease is true?

    <p>Having one disease can increase the risk of developing other diseases</p> Signup and view all the answers

    What is the primary mode of transmission for the common cold?

    <p>Droplet infection through air particles</p> Signup and view all the answers

    Which of the following is NOT a characteristic of viruses?

    <p>They multiply through binary fission</p> Signup and view all the answers

    What is the primary mode of transmission for the cholera pathogen?

    <p>Water</p> Signup and view all the answers

    Which of the following pathogens is a protist?

    <p>Plasmodium falciparum</p> Signup and view all the answers

    What is the primary effect of the HIV virus on the human body?

    <p>Destroys white blood cells, leading to AIDS</p> Signup and view all the answers

    Which of the following pathogens is a fungus?

    <p>Hymenoscyphus fraxineus</p> Signup and view all the answers

    Which of the following diseases is caused by a bacterial pathogen?

    <p>Tuberculosis</p> Signup and view all the answers

    Which symptom is associated with the disease Chalara dieback of ash?

    <p>Malformations and browning of leaves</p> Signup and view all the answers

    How do plant virologists initially prepare a sample to identify a plant disease in the lab?

    <p>They take cuttings from the diseased plant.</p> Signup and view all the answers

    Which of the following is NOT a physical barrier or chemical defence in the human body against pathogens?

    <p>Antibiotics</p> Signup and view all the answers

    Which plant disease symptom is associated with bacterial canker on fruit trees?

    <p>Loss of leaves, stunted growth, and formation of pus-filled lesions on trunk</p> Signup and view all the answers

    What is the last step in the method used by plant virologists to identify a plant disease in the lab?

    <p>Testing the pathogen using a monoclonal antibody testing kit (ELISA kit)</p> Signup and view all the answers

    Which symptom is associated with tobacco mosaic virus?

    <p>Discoloration of leaves</p> Signup and view all the answers

    What is the formula used to calculate the area of a circle?

    <p>$\pi r^2$</p> Signup and view all the answers

    What is the purpose of dividing the area of the smaller circle by the larger circle and multiplying by 100?

    <p>To calculate the percentage of the bacterial culture that has been destroyed by the antibiotic</p> Signup and view all the answers

    What is the purpose of repeating the calculations for multiple antibiotics and bacteria?

    <p>To determine the effectiveness of different bacteria/antibiotic combinations</p> Signup and view all the answers

    What is the name of the process used to test drugs for toxicity, efficacy, and dose before clinical trials?

    <p>Preclinical testing</p> Signup and view all the answers

    How are most new drugs developed today?

    <p>By synthesizing them chemically</p> Signup and view all the answers

    What is the purpose of clinical trials?

    <p>To evaluate the safety and effectiveness of a drug in human subjects</p> Signup and view all the answers

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