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Set a timer and sit in a quiet room. The SJBO is often a test of nerves as much as knowledge. Getting used to the pressure will prevent "blanking out" during the actual round. 2. Focus on "Why," Not "What" singapore junior biology olympiad past papers
1. Which of the following statements correctly distinguishes prokaryotic cells from eukaryotic cells? A. Prokaryotes have mitochondria; eukaryotes do not. B. Prokaryotes have circular DNA; eukaryotes have linear DNA. C. Prokaryotes lack a cell wall; eukaryotes have a cell wall. D. Prokaryotes are exclusively multicellular; eukaryotes are unicellular. This paper is designed for students in Secondary
14. Which hormone stimulates the reabsorption of water in the kidney collecting ducts? A. Adrenaline B. Insulin C. Anti-diuretic hormone (ADH) D. Glucagon Standard junior/senior biology textbooks for concept review