CXC Integrated Science exam guide: Section A: Respiration
Submitted by Kathy-ann Daniel on 30 September 2009 - 9:27pm
CXC Integrated Science exam guide: Respiration
CXC Integrated Science Exam Guide
Section A-The Organism
General objectives of the section:
Candidates should demonstrate an understanding of:
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The interdependence of life processes;
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The relationship between an organism and its environment;
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| 3. |
The relationship between structure and function of an organism;
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| Unit IV: Respiration |
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Specific Objectives
Students should be able to: |
Explanatory notes
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Suggested Practical Activities
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1. Discuss the importance of respiration to organisms
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Definition, substrate and products, word equation; site of, form and importance of energy release; energy related to type of substrate.
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Experiments to show release of energy and carbon dioxide by organisms. |
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2. Compare and contrast aerobic and anaerobic respiration
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Types - compare amounts of energy, products and when used; industrial importance of anaerobic.
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3.Explain the mechanism of inhalation and exhalation
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Inhalation - mechanisms for increasing/decreasing volumes; pressure and volume changes |
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4. Discuss the features common to respiratory surfaces
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Distinguish between inhaled and exhaled air; consider use of the bell jar.
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5. Discuss ailments that are caused by environmental pollution
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Allergies, lung cancer and other lung ailments.
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Collect newspaper clippings, make histograms.
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| Go to Section A: unit V: Excretion |
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