Sub-topic 1
2025 · National One-Eighth
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Fetal membranes and the placenta in mammals
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Sub-topic 2
2025 · National One-Eighth
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Types of reproduction: asexual, sexual and hermaphroditism
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Sub-topic 3
2025 · National One-Eighth
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The female reproductive system
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Sub-topic 4
2025 · National One-Eighth
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External and internal fertilization
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Sub-topic 5
2025 · National One-Eighth
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Spermatogenesis and ploidy
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Sub-topic 6
2026 · National Semifinal
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Fetal urine excretion into the amniotic fluid
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Sub-topic 7
2018 · National Preliminary
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Extra-embryonic membranes: the amnion
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Sub-topic 8
2026 · National Preliminary
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Riddle: gametogenesis
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Sub-topic 9
2023 · National Preliminary
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Riddle: gametogenesis
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Sub-topic 10
2024 · National One-Eighth
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The amnion and protection of the developing embryo
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Sub-topic 11
2024 · National One-Eighth
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The clitellum and mucus production for sperm transfer in annelids
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Sub-topic 12
2024 · National One-Eighth
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The gametophyte generation and fertilization in angiosperms (true/false)
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Sub-topic 13
2017 · National Quarterfinal
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How fetal blood is circulated through the placenta
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Sub-topic 14
2017 · National Quarterfinal
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Formation of fraternal (dizygotic) twins
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Sub-topic 15
2026 · National One-Eighth
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Naming mammalian reproductive structures from their functions
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Sub-topic 16
2023 · National Preliminary
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External fertilization and parental care across various animal and plant groups (true/false)
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Sub-topic 17
2013 · National Quarterfinal
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Double fertilization is a defining feature of most angiosperms (true/false)
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Sub-topic 18
2013 · National Quarterfinal
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Double fertilization is unique to angiosperms (true/false)
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Sub-topic 19
2022 · National Preliminary
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Riddle: chorion, the fetal membrane that forms the placenta with the endometrium
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Sub-topic 20
2022 · National Preliminary
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Fertilization normally occurs in the fallopian tube of female mammals
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Sub-topic 21
2022 · National Preliminary
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Implantation normally occurs in the endometrium of female mammals
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Sub-topic 22
2022 · National Preliminary
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The ovum is produced in the ovary of female mammals
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Sub-topic 23
2022 · National Preliminary
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True or false: hermaphrodite organisms are seen only in animals
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Sub-topic 24
2022 · National Preliminary
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True or false: hermaphrodite organisms are seen only in invertebrates
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Sub-topic 25
2022 · National Preliminary
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True or false: hermaphrodite organisms are seen in both plants and animals
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Sub-topic 26
2023 · National Preliminary
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True or false: echinodermata and mosses both exhibit external fertilization with parental care
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Sub-topic 27
2023 · National Preliminary
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True or false: amphibians and algae both exhibit external fertilization
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Sub-topic 28
2023 · National Preliminary
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True or false: reptiles and gymnosperms both exhibit external fertilization
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