GCSE Edexcel Biology Topic 5 Flashcards

Play an AI-generated podcast conversation about this lesson

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?

Definitions, detailed notes, and questions Signup and view all the answers

What qualifications does the tutor have?

PhD and PGCE (Postgraduate Certificate in Education) Signup and view all the answers

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

Complete physical, mental, and social well-being Signup and view all the answers

What is considered when defining health according to the text?

Complete physical, mental, and social well-being Signup and view all the answers

Which statement best describes the WHO definition of health?

Health encompasses complete well-being in various aspects Signup and view all the answers

What does the WHO's definition of health emphasize?

Physical, mental, and social well-being Signup and view all the answers

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

Only physical well-being Signup and view all the answers

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

Complete physical, mental, and social well-being is highlighted Signup and view all the answers

Which of these is a characteristic of communicable diseases?

They can be transferred between individuals Signup and view all the answers

What is the fecal-oral route?

The spread of diseases through parasites in feces Signup and view all the answers

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

Cardiovascular disease Signup and view all the answers

What is the role of pathogens in disease transmission?

They cause diseases in plants and animals Signup and view all the answers

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

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

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

Droplet infection through air particles Signup and view all the answers

Which of the following is NOT a characteristic of viruses?

They multiply through binary fission Signup and view all the answers

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

Water Signup and view all the answers

Which of the following pathogens is a protist?

Plasmodium falciparum Signup and view all the answers

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

Destroys white blood cells, leading to AIDS Signup and view all the answers

Which of the following pathogens is a fungus?

Hymenoscyphus fraxineus Signup and view all the answers

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

Tuberculosis Signup and view all the answers

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

Malformations and browning of leaves Signup and view all the answers

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

They take cuttings from the diseased plant. Signup and view all the answers

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

Antibiotics Signup and view all the answers

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

Loss of leaves, stunted growth, and formation of pus-filled lesions on trunk 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?

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

Which symptom is associated with tobacco mosaic virus?

Discoloration of leaves Signup and view all the answers

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

$\pi r^2$ 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?

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

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

To determine the effectiveness of different bacteria/antibiotic combinations 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?

Preclinical testing Signup and view all the answers

How are most new drugs developed today?

By synthesizing them chemically Signup and view all the answers

What is the purpose of clinical trials?

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