UPCAT Science practice question 8: Which enzyme in saliva begins the digestion of starch?
Correct answer
C. Amylase
Salivary amylase hydrolyzes starch into shorter sugar chains. Pepsin acts on protein, and lipase acts on fat.
The question
Which enzyme in saliva begins the digestion of starch?
- Option A: Pepsin
- Option B: Lipase
- Option C: AmylaseCorrect
- Option D: Trypsin
Why C is correct
Salivary amylase hydrolyzes starch into shorter sugar chains. Pepsin acts on protein, and lipase acts on fat.