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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?

  1. Option A: Pepsin
  2. Option B: Lipase
  3. Option C: AmylaseCorrect
  4. Option D: Trypsin

Why C is correct

Salivary amylase hydrolyzes starch into shorter sugar chains. Pepsin acts on protein, and lipase acts on fat.

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