9700/22/O/N/23 · Biology October/November 2023 Paper 22
6 questions, 60 marks. Each one links to its official mark scheme.
- Question 1 · 7 marks · Chromosomes and telomeres, Stages of mitosis
- Question 2 · 12 marks · Amino acids and protein structure, How enzymes work, Factors affecting rate
- Question 3 · 14 marks · Double circulation, Arteries, veins and capillaries, Phagocytes and antigens, Plant and animal cells, Organelles
- Question 4 · 12 marks · Gas exchange in the alveoli, Functions of the tissues, Diffusion, osmosis and active transport, Transcription and translation
- Question 5 · 9 marks · Pathogens, Prevention and control, How diseases spread, Arteries, veins and capillaries
- Question 6 · 6 marks · Xylem and phloem cells, Transpiration
Questions and mark schemes from Cambridge International past papers. Paperstreak isn't affiliated with Cambridge.