996 past contests
Topic 16 · Metabolism as an organism's use of energy (true/false)
Topic 52 · Dna is transcribed into rna (true/false)
Topic 52 · Rna makes proteins by translation, not replication (true/false)
Topic 43 · Problem of the day: structural adaptations of plants to aquatic habitats
Topic 7 · Lignin strengthening plant cell walls
Topic 28 · Chitin as the main component of fungal cell walls
Topic 7 · Suberin (suberization) reducing water loss in plant tissues
Topic 30 · Osteichthyes as the class of bony fishes
Topic 30 · Chondrichthyes: fish lacking an operculum and swim bladder
Topic 30 · Chondrichthyes as the class containing sharks and rays
Topic 23 · Bees as the primary insect pollinators
Topic 23 · Red flowers typically not pollinated by insects
Topic 23 · Butterflies pollinating flowers with long floral tubes
Topic 23 · Nectar as the sweet liquid attracting pollinators
Topic 7 · Ginger is a rhizome, not a bulb (true/false)
Topic 23 · The stigma as the site of pollen adherence in pollination
Topic 29 · Riddle: the octopus and its ink-based defence
Topic 24 · Birds as dispersers of brightly coloured fleshy fruit seeds
Topic 5 · Lizards breathe via lungs (true/false)
Topic 7 · Cocoyam (taro) storage organ: corm, not rhizome (true/false)