9700/22/M/J/23 · Biology May/June 2023 Paper 22
6 questions, 60 marks. Each one links to its official mark scheme.
- Question 1 · 7 marks · Cardiac cycle
- Question 2 · 14 marks · Plant and animal cells, Water, How enzymes work, Monomers, polymers and glucose, Amino acids and protein structure, Water potential
- Question 3 · 10 marks · Phagocytes and antigens, Immune responses, The cell cycle
- Question 4 · 11 marks · Organelles, Prokaryotic cells, Pathogens, How diseases spread
- Question 5 · 11 marks · Nucleotides, ATP and RNA, DNA replication, Inhibitors
- Question 6 · 7 marks · Structure of the gas exchange system, Gas exchange in the alveoli
Questions and mark schemes from Cambridge International past papers. Paperstreak isn't affiliated with Cambridge.