996 past contests
Topic 45 · Gibberellins promoting coleoptile and stem elongation
Topic 45 · Cytokinins stimulating cell division and retarding leaf senescence
Topic 45 · Gibberellins promoting stem elongation and breaking dormancy
Topic 27 · Riddle: the bacterial endospore and its role in anthrax
Topic 7 · Turgor pressure providing structural support against gravity in plants (true/false)
Topic 3 · Plants have simpler nutritional requirements than animals (true/false)
Topic 13 · Plants exhibit developmental responses to environmental cues (true/false)
Topic 11 · Analogous structures evolve independently, not from a shared ancestor (true/false)
Topic 11 · Analogous structures perform the same function (true/false)
Topic 11 · Analogous structures share function, not size (true/false)
Topic 53 · Problem of the day: sex-linked inheritance, gamete types from homo/heterogametic parents
Topic 23 · Naming pollination by different agents (hydrophily, anemophily, entomophily)
Topic 9 · Functions of the mammalian pelvic girdle
Topic 21 · The cuticle preventing dehydration and reducing friction in earthworms
Topic 11 · Evolutionary trend ordering of algae, mosses and ferns
Topic 11 · Evolutionary trend ordering of conifers, cycads and flowering plants
Topic 11 · Evolutionary trend ordering of mosses, club mosses and conifers
Topic 6 · The clitellum as the earthworm structure secreting cocoon mucus
Topic 21 · Chaetae as the earthworm structure gripping the substratum
Topic 29 · Riddle: crustaceans as aquatic arthropods