ZIMSEC O-Level Combined Science
7.1.3Nutrition
Nutrition in ZIMSEC O-Level Combined Science: what the syllabus expects you to know, the learning objectives and how to practise.
Topic264 practice questions12 lessons
Overview
Forms 1 to 4.
In this topic
Lessons
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Carbohydrates, proteins and lipids
22 min
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Food tests
25 min
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Malnutrition and deficiency diseases
22 min
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Nutrients and a balanced diet
22 min
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Leaf structure and adaptations for photosynthesis
25 min
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Photosynthesis
25 min
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Rate of photosynthesis, limiting factors and gas exchange
30 min
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Absorption and assimilation
20 min
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Chemical digestion and digestive enzymes
18 min
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Enzymes and how they work
24 min
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Teeth and physical digestion
22 min
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The digestive system
18 min
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Sample question
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Exam style
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