Sub-topic 1
2026 · National One-Eighth
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Sense organs
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Sub-topic 2
2024 · National Preliminary
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Sense organs
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Sub-topic 3
2026 · National One-Eighth
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Sense organs
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Sub-topic 4
2026 · National Preliminary
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Sense organs
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Sub-topic 5
2026 · National Preliminary
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Sense organs
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Sub-topic 6
2026 · National Preliminary
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Echolocation in bats
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Sub-topic 7
2025 · National Preliminary
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Echolocation in bats
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Sub-topic 8
2026 · National Preliminary
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Insect antennae as touch-sensitive jointed sensory structures
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Sub-topic 9
2026 · National Quarterfinal
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Nociceptors: sensory receptors that detect pain
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Sub-topic 10
2026 · National Quarterfinal
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Sour taste buds on the lateral sides of the tongue
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Sub-topic 11
2026 · National Quarterfinal
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Photoreceptors (rods and cones) implicated in vitamin a deficiency and glare recovery
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Sub-topic 12
2026 · National One-Eighth
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Sense organs: the choroid layer of the eye
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Sub-topic 13
2025 · National Quarterfinal
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Sense organs: the fovea centralis
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Sub-topic 14
2021 · National One-Eighth
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Eye defects: hypermetropia and its corrective lens
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Sub-topic 15
2024 · National One-Eighth
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Riddle: the choroid
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Sub-topic 16
2014 · National Quarterfinal
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Statocysts as invertebrate gravitational-balance organs
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Sub-topic 17
2014 · National Quarterfinal
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The fovea: retinal region with the highest cone density
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Sub-topic 18
2019 · National Preliminary
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Function of the middle-ear ossicles
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Sub-topic 19
2021 · National Preliminary
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The cochlea is the inner-ear structure responsible for hearing
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Sub-topic 20
2022 · National Preliminary
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Myopia occurs in the eye, where light focuses in front of the retina
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Sub-topic 21
2022 · National Preliminary
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Riddle: the lateral line, a fish sensory system detecting water movement via hair cells
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