Sub-topic 1
2025 · National One-Eighth
Free
Types of inflorescence
Read past contest →
Sub-topic 2
2025 · National One-Eighth
Premium
Types of pollination
Read past contest →
Sub-topic 3
2025 · National One-Eighth
Premium
Pollen grain wall structure: exine and intine
Read past contest →
Sub-topic 4
2026 · National Preliminary
Premium
How flower characteristics (shape, odor, color) facilitate pollination
Read past contest →
Sub-topic 5
2026 · National Quarterfinal
Premium
Adaptive function of the spiny exine of pollen grains in pollination
Read past contest →
Sub-topic 6
2023 · National One-Eighth
Premium
Male flower structures in maize: the function of tassels
Read past contest →
Sub-topic 7
2023 · National One-Eighth
Premium
Flower structure: the thalamus (receptacle) and stamen attachment
Read past contest →
Sub-topic 8
2023 · National One-Eighth
Premium
Flower traits and pollination syndromes (true/false)
Read past contest →
Sub-topic 9
2021 · National Preliminary
Premium
Flower structure: pollen, anther and the stamen
Read past contest →
Sub-topic 10
2021 · National One-Eighth
Premium
Flower terminology: asepalous, perianth, apetalous
Read past contest →
Sub-topic 11
2021 · National Preliminary
Premium
Flower terminology: pentamerous flowers
Read past contest →
Sub-topic 12
2021 · National Preliminary
Premium
Hypogynous versus epigynous flowers (true/false)
Read past contest →
Sub-topic 13
2024 · National One-Eighth
Premium
Flower gender terminology and leaf mesophyll tissue
Read past contest →
Sub-topic 14
2024 · National One-Eighth
Premium
Structures required for a flower to be hermaphroditic (true/false)
Read past contest →
Sub-topic 15
2017 · National One-Eighth
Premium
Adaptive advantages of wind-pollinated flower features (exposed stigma, pollen quantity, absence of scent)
Read past contest →
Sub-topic 16
2026 · National One-Eighth
Premium
Florigen as the plant hormone/signal responsible for flowering induction
Read past contest →
Sub-topic 17
2026 · National Preliminary
Premium
Traits exhibited by bird-pollinated flowers
Read past contest →
Sub-topic 18
2026 · National Preliminary
Premium
Emasculation: removal of anthers to prevent self-pollination in controlled crosses
Read past contest →
Sub-topic 19
2026 · National Preliminary
Premium
Emasculation: removal of anthers to prevent self-pollination in controlled crosses
Read past contest →
Sub-topic 20
2026 · National Preliminary
Premium
Emasculation: removal of anthers to prevent self-pollination in controlled crosses
Read past contest →
Sub-topic 21
2026 · National Preliminary
Premium
The style: the tube connecting the stigma and ovary
Read past contest →
Sub-topic 22
2012 · National Preliminary
Premium
Actinomorphic flowers have radial, not bilateral, symmetry
Read past contest →
Sub-topic 23
2013 · National Preliminary
Premium
The stigma as the site of pollen adherence in pollination
Read past contest →
Sub-topic 24
2013 · National Preliminary
Premium
Nectar as the sweet liquid attracting pollinators
Read past contest →
Sub-topic 25
2013 · National Preliminary
Premium
Bees as the primary insect pollinators
Read past contest →
Sub-topic 26
2013 · National Preliminary
Premium
Butterflies pollinating flowers with long floral tubes
Read past contest →
Sub-topic 27
2013 · National Preliminary
Premium
Red flowers typically not pollinated by insects
Read past contest →
Sub-topic 28
2013 · National Semifinal
Premium
Naming pollination by different agents (hydrophily, anemophily, entomophily)
Read past contest →
Sub-topic 29
2016 · National One-Eighth
Premium
Pollination can occur without fertilization taking place (true/false)
Read past contest →
Sub-topic 30
2016 · National One-Eighth
Premium
Fertilization in flowering plants requires prior pollination (true/false)
Read past contest →
Sub-topic 31
2016 · National One-Eighth
Premium
Pollination and fertilization need not be simultaneous (true/false)
Read past contest →
Sub-topic 32
2016 · National One-Eighth
Premium
Coloured petals as an adaptation for bee pollination
Read past contest →
Sub-topic 33
2016 · National One-Eighth
Premium
Anthocyanins and protruding stigma not specifically a bee-pollination adaptation
Read past contest →
Sub-topic 34
2016 · National One-Eighth
Premium
Spiky/sticky pollen as an adaptation for bee pollination
Read past contest →
Sub-topic 35
2021 · National Preliminary
Premium
Flower petals act as landing platforms for pollinators
Read past contest →
Sub-topic 36
2022 · National Preliminary
Premium
Sequence of events in flowering-plant sexual reproduction: gametogenesis, pollination, fertilization, embryogenesis
Read past contest →
Sub-topic 37
2023 · National Preliminary
Premium
The edible part of jackfruit is the perianth
Read past contest →
Sub-topic 38
2023 · National Preliminary
Premium
The edible part of an apple is its thalamus (receptacle)
Read past contest →
Sub-topic 39
2023 · National Quarterfinal
Premium
Corn tassels are the male reproductive structure that disperses pollen
Read past contest →