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1. What allows the movement of water under tension in the xylem? A. Adhesion of water molecules to dissolved mineral salts B. Cohesion of water molecules due to hydrogen bonding C. Adhesion between water molecules due to uneven sharing of charges D. Cohesion between water molecules and other polar substances 2.
IB Biology SL - 2024 - Past Papers. In the Past Papers section, you will find full worked solutions to the questions asked on previous IB Biology SL (Standard Level) 2024 Exams. Within each video, an experienced IB teacher will guide you through the solution, step-by-step.
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Biology Standard level Paper 1 Instructions to candidates y Do not open this examination paper until instructed to do so. y Answer all the questions. y For each question, choose the answer you consider to be the best and indicate your choice on the answer sheet provided. y The maximum mark for this examination paper is [30 marks].
Want IB Biology past papers to practice on? We've compiled every past paper we could find in a convenient list. Practice with these tests to get the most realistic prep.
In this article, I will go over the topics covered in IB Biology Standard Level and IB Biology Higher Level, as well as the number of hours dedicated to each topic along with what the IB expects you to understand for each topic.
DP IB Biology: SL. Our expert IB teachers & examiners have written revision notes, practice questions & tips for your IB exams, to help you get the best grades possible.
