996 past contests
Topic 8 · Insect life cycle and metamorphosis
Topic 27 · Peptidoglycan cell walls and prokaryotic resistance to osmotic shock
Topic 9 · Joint types at specific locations: cartilaginous, fibrous and synovial joints
Topic 5 · Stages of cellular respiration: krebs cycle, electron transport chain and pyruvate oxidation
Topic 28 · Riddle: wood ear fungus, an edible mushroom grown on rotten wood
Topic 2 · The three components of a nucleotide: nitrogen base, sugar and phosphate (true/false)
Topic 33 · Vasa recta: capillaries running parallel to the loop of henle
Topic 28 · Features common to fungi, filamentous algae and moss protonema (true/false)
Topic 24 · The coleorhiza: protective sheath covering the radicle
Topic 8 · Ethylene as the hormone used for degreening of citrus fruits
Topic 44 · Xerarch and hydrarch succession and their pioneer species
Topic 22 · Primary (deciduous) dentition: tooth counts per arch and quadrant
Topic 1 · Riddle: vivisection, operating on a living animal for experimental purposes
Topic 53 · Genotype and phenotype of offspring from a homozygous dominant x recessive cross (true/false)
Topic 34 · Bidirectional translocation of minerals in phloem tissue
Topic 46 · Problem of the day: the patellar (knee-jerk) reflex arc
Topic 3 · Manganese in the oxygen-evolving complex of photosynthesis
Topic 36 · The red color of blood: oxidation state of iron in hemoglobin
Topic 36 · Components of the human cardiovascular system: heart, blood vessels and blood
Topic 11 · Adaptive benefits of asymmetrical anatomical features in animals