Sub-topic 1
2026 · National One-Eighth
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Transports in plants
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Sub-topic 2
2025 · National One-Eighth
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Transports in plants
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Sub-topic 3
2024 · National Semifinal
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Long-term physiological changes during acclimatization to high altitude
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Sub-topic 4
2021 · National Preliminary
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Why carbon monoxide is toxic to animals (true/false)
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Sub-topic 5
2026 · National Preliminary
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Composition of the pith in a monocotyledonous stem (true/false)
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Sub-topic 6
2024 · National One-Eighth
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Leaf tissue and vascular terminology: palisade mesophyll, pinnate leaves and leaf trace
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Sub-topic 7
2025 · National Preliminary
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Substances transported in animals: oxygen, nutrients, waste, water, salts, enzymes
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Sub-topic 8
2025 · National Preliminary
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Locations of parenchyma cells: fleshy fruit and seed endosperm (true/false)
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Sub-topic 9
2017 · National Semifinal
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Correct sequence of events during inhalation
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Sub-topic 10
2023 · National Preliminary
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Problem of the day: the sequential steps of mammalian respiration, from ventilation to cellular utilization
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