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Global challenges
Revision and exam practice for Global challenges.
35
Objectives
10
Flashcards
10
Questions
90 min
Study time
OcrGcseBiology A GatewayGlobal challenges
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35 objective pages available
Field Investigations for Distribution and Abundance of Organisms1 objectives
- Account for the way to carry out a field investigation into the distribution and abundance of organisms in a habitat and how to determine their numbers in a given area.
Human Interactions with Ecosystems and Biodiversity1 objectives
- Communicate the key features of both positive and negative human interactions within ecosystems and explain their impact on biodiversity.
Benefits and Challenges of Maintaining Biodiversity1 objectives
- Account for some of the benefits and challenges of maintaining local and global biodiversity.
Impact of Environmental Changes on Organism Distribution (Higher)1 objectives
- Judge using evidence the evidence for the impact of environmental changes on the distribution of organisms, with reference to water and atmospheric gases.
Biological Factors Affecting Food Security1 objectives
- Communicate the key features of some of the biological factors affecting levels of food security.
Feeding a Growing Population: Agricultural Solutions1 objectives
- Communicate the key features of and explain some possible agricultural solutions to the demands of the growing human population.
Impact of Selective Breeding on Food Plants and Domesticated Animals1 objectives
- Account for the impact of the selective breeding of food plants and domesticated animals.
Understanding Genetic Engineering1 objectives
- Communicate the key features of genetic engineering as a process which involves modifying the genome of an organism to introduce desirable characteristics.
Genetic Engineering - Key Steps (Higher)1 objectives
- Communicate the key features of the main steps in the process of genetic engineering.
Benefits and Risks of Gene Technology in Agriculture1 objectives
- Account for some of the possible benefits and risks of using gene technology in modern agriculture.
Biotechnology and the Growing Human Population1 objectives
- Communicate the key features of and explain some possible biotechnological solutions to the demands of the growing human population.
Understanding Health and Disease1 objectives
- Communicate the key features of the relationship between health and disease.
Understanding Different Types of Diseases1 objectives
- Communicate the key features of different types of diseases.
Interactions Between Different Types of Diseases1 objectives
- Communicate the key features of the interactions between different types of disease.
Understanding the Spread of Communicable Diseases1 objectives
- Account for the way communicable diseases (caused by viruses, bacteria, protists and fungi) are spread in animals and plants.
Preventing the Spread of Communicable Diseases in Animals and Plants1 objectives
- Account for the way the spread of communicable diseases may be reduced or prevented in animals and plants.
Understanding Common Infections and Diseases1 objectives
- Communicate the key features of a minimum of one common human infection, one plant disease and sexually transmitted infections in humans including HIV/AIDS.
Physical Plant Defences Against Disease1 objectives
- Communicate the key features of physical plant defence responses to disease.
Chemical Plant Defence Responses1 objectives
- Communicate the key features of chemical plant defence responses.
Detecting and Identifying Plant Diseases1 objectives
- Communicate the key features of different ways plant diseases can be detected and identified, in the lab and in the field.
Adaptations of White Blood Cells and Platelets for Defence1 objectives
- Account for the way white blood cells and platelets are adapted to their defence functions in the blood.
Non-Specific Defence Systems of the Human Body1 objectives
- Communicate the key features of the non-specific defence systems of the human body against pathogens.
The Human Immune System: Defence Against Disease1 objectives
- Account for the role of the immune system of the human body in defence against disease.
Higher: Producing Monoclonal Antibodies1 objectives
- Communicate the key features of the way monoclonal antibodies are produced.
Monoclonal Antibodies and Their Applications (Higher)1 objectives
- Communicate the key features of some of the ways in which monoclonal antibodies can be used.
Vaccines and Medicines in Disease Prevention and Treatment1 objectives
- Account for the use of vaccines and medicines in the prevention and treatment of disease.
Aseptic Techniques in Culturing Organisms1 objectives
- Account for the aseptic techniques used in culturing organisms.
Discovery and Development of New Medicines1 objectives
- Communicate the key features of the processes of discovery and development of potential new medicines.
Multiple Factors in Non-Communicable Diseases1 objectives
- Retrieve and apply knowledge of many non-communicable human diseases are caused by the interaction of a number of factors.
Treatments for Cardiovascular Disease (CVD)1 objectives
- Judge using evidence some different treatments for cardiovascular disease.
Lifestyle Factors and Non-Communicable Diseases1 objectives
- Interpret evidence about the effect of lifestyle factors on the incidence of non- communicable diseases at local, national and global levels.
Understanding Cancer: Uncontrolled Cell Growth1 objectives
- Communicate the key features of cancer as the result of changes in cells that lead to uncontrolled growth and division.
Stem Cells: Benefits and Risks in Medicine1 objectives
- Consider evidence about and reach a balanced conclusion on potential benefits and risks associated with the use of stem cells in medicine.
Gene Technology in Medicine: Benefits and Risks1 objectives
- Account for some of the possible benefits and risks of using gene technology in medicine.
Understanding the Human Genome and Its Medical Importance1 objectives
- Consider evidence about and reach a balanced conclusion on the potential importance for medicine of our increasing understanding of the human genome.
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Practice preview
- Higher: Which of the following is a key advantage of hybridoma cells in monoclonal antibody production?
- Explain why it is important to incubate bacterial cultures in school laboratories at 25°C rather than 37°C. You should also state one method for safely disposing of used bacterial cultures. [4 marks]
- Explain how a plant's physical features act as barriers to disease. Include examples of at least three different features. [6 marks]
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