Question detail
Evaluate the impact of carbon monoxide on human health and explain why it is considered a toxic gas.
Try the question, check the answer, then read the explanation to understand the curriculum point.
At a glance
Question
Type
exam_style
Style
Topic
Common atmospheric pollutants and their sources
Question
Evaluate the impact of carbon monoxide on human health and explain why it is considered a toxic gas.
Answer
Carbon monoxide is toxic because it binds to hemoglobin in red blood cells more effectively than oxygen, reducing the blood's ability to carry oxygen to vital organs. This can lead to symptoms such as headaches, dizziness, and in severe cases, death.
Explanation
A strong answer should directly address the approved learning objective to evaluate data or statements about atmospheric pollution and its effects. This question belongs to Properties and effects of atmospheric pollutants within Common atmospheric pollutants and their sources, so the response should use that exact curriculum context rather than a generic statement. The answer is correct when it names the key idea, explains the link to evaluate, and keeps the wording specific to AQA GCSE revision.
Common mistake
Misunderstanding Evaluation Criteria
Students often confuse evaluating data with simply summarizing it, failing to analyze the implications of the data on atmospheric pollution.
Focus on not just summarizing the data but also discussing what the data implies about the effects of atmospheric pollution, considering factors like health impacts and environmental consequences.
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