ZIMSEC O-Level Biology
5Plant science
In this topic
Lessons
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Leaf structure and adaptations for photosynthesis
25 min
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Mineral nutrition in plants
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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Crop productivity, pests and diseases
30 min
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Osmosis
25 min
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Translocation: moving sugars in the phloem
25 min
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Transpiration
35 min
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Xylem, phloem and water uptake
30 min
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Asexual and sexual reproduction
30 min
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Fertilisation and germination in flowering plants
25 min
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Flowers and pollination
30 min
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Seed structure and dispersal
22 min
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Tropisms and plant hormones
30 min
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Sample question
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