9700/23/M/J/20 · Biology May/June 2020 Paper 23
6 questions, 60 marks. Each one links to its official mark scheme.
- Question 1 · 10 marks · Plan diagrams, Transpiration, Water from soil to xylem, Plant and animal cells
- Question 2 · 11 marks · Prevention and control, Immune responses
- Question 3 · 8 marks · Arteries, veins and capillaries, Blood and tissue fluid, Functions of the tissues
- Question 4 · 17 marks · Magnification calculations, Phospholipids, Organelles, Monomers, polymers and glucose, Food tests, Vmax and Km, Factors affecting rate, How enzymes work
- Question 5 · 10 marks · Genes and the genetic code, The cell cycle, Nucleotides, ATP and RNA, Stem cells and tumours
- Question 6 · 4 marks · Water potential
Questions and mark schemes from Cambridge International past papers. Paperstreak isn't affiliated with Cambridge.