| Date | May 2019 | Marks available | 2 | Reference code | 19M.3.SL.tz0.15 |
| Level | Standard Level | Paper | Paper 3 | Time zone | time zone 0 |
| Command term | State | Question number | 15 | Adapted from | N/A |
Question
Outline the two forms of digestion that take place inside the mouth.
[2]
a.
State the enzymes responsible for the digestion of fats and proteins.
[2]
b.
Markscheme
mechanical digestion which involves the teeth breaking up the food into smaller particles / increase surface area of food ✔
chemical digestion which is due to the presence of enzymes «amylase» in saliva ✔
Award [1 max] for a list.
[2]
a.
Fats:
«pancreatic» lipase ✔
Proteins:
pepsin
OR
trypsin
OR
protease ✔
Award [1 max] for each.
[2]
b.
Examiners report
[N/A]
a.
[N/A]
b.
