Sub-topic 1
2025 · National Semifinal
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Steer: a bull castrated before reaching sexual maturity
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Sub-topic 2
2024 · National One-Eighth
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Sequence of processes in angiosperm female gametophyte development (true/false)
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Sub-topic 3
2026 · National Preliminary
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Male sex accessory ducts (true/false)
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Sub-topic 4
2013 · National Preliminary
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The queen and drones as reproductive castes in a honeybee colony
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Sub-topic 5
2013 · National Semifinal
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The clitellum as the earthworm structure secreting cocoon mucus
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Sub-topic 6
2022 · National Preliminary
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Riddle: sexual cannibalism, a female consuming a conspecific male before/during/after mating
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Sub-topic 7
2022 · National Preliminary
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True or false: reproduction type depends only on morphology
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Sub-topic 8
2022 · National Preliminary
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True or false: reproduction type depends only on habitat and morphology
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Sub-topic 9
2022 · National Preliminary
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True or false: reproduction type depends only on morphology and physiology
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Sub-topic 10
2023 · National Preliminary
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Mercurialis is heterothallic (dioecious, separate male and female plants)
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