9700/21/O/N/21 · Biology October/November 2021 Paper 21
6 questions, 60 marks. Each one links to its official mark scheme.
- Question 1 · 11 marks · Plant and animal cells, Food tests, Starch, glycogen and cellulose
- Question 2 · 12 marks · Blood cells, Blood and tissue fluid, Fluid mosaic model, Translocation
- Question 3 · 13 marks · How diseases spread, Amino acids and protein structure, Phagocytes and antigens, Vaccination, Antibiotics
- Question 4 · 10 marks · Stages of mitosis, Nucleotides, ATP and RNA, Stem cells and tumours, Transcription and translation
- Question 5 · 9 marks · Transpiration
- Question 6 · 5 marks · Cardiac cycle, Heart structure
Questions and mark schemes from Cambridge International past papers. Paperstreak isn't affiliated with Cambridge.