AQA A-Level Biology
7402/2 Paper 2 – June
2025 Question Paper &
Mark Scheme | 100%
Verified & Accurate
Study Resource
, Chemical digestion - ✔✔✔✔-Hydrolyses large, insoluble
molecules
What is digestion - ✔✔✔✔-Physical breakdown
Chemical digestion
Physical breakdown - ✔✔✔✔--Breakdown of food into
absorbable nutrients
- By teeth
- Stomach muscles
- increases SA
What is the importance of digestion? - ✔✔✔✔-Hydrolyses
large food molecules into smaller molecules
Which can move across cell membrane
And be absorbed into the blood
Oesphagus - ✔✔✔✔-carries food from mouth to stomach.
adapted for transport. made up of a thick muscular wall
What is hydrolysis? - ✔✔✔✔-Breaking bonds by adding water
stomach - ✔✔✔✔-muscular sac between the oesphagus and
the small intestine where digestion of food begins
produces enzymes
7402/2 Paper 2 – June
2025 Question Paper &
Mark Scheme | 100%
Verified & Accurate
Study Resource
, Chemical digestion - ✔✔✔✔-Hydrolyses large, insoluble
molecules
What is digestion - ✔✔✔✔-Physical breakdown
Chemical digestion
Physical breakdown - ✔✔✔✔--Breakdown of food into
absorbable nutrients
- By teeth
- Stomach muscles
- increases SA
What is the importance of digestion? - ✔✔✔✔-Hydrolyses
large food molecules into smaller molecules
Which can move across cell membrane
And be absorbed into the blood
Oesphagus - ✔✔✔✔-carries food from mouth to stomach.
adapted for transport. made up of a thick muscular wall
What is hydrolysis? - ✔✔✔✔-Breaking bonds by adding water
stomach - ✔✔✔✔-muscular sac between the oesphagus and
the small intestine where digestion of food begins
produces enzymes
