Biology · Life Processes
In an experiment testing digestion, two test tubes are prepared. Test tube A contains starch solution, and test tube B contains starch solution mixed with human saliva. After incubation, iodine solution is added to both. Why does the blue-black colour NOT appear in test tube B?
Verified Solution4 OptionsUpdated: October 2026👁️1 View
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- 1Starch was digested by salivary amylase in the saliva✓
- 2Starch was digested by lipase in the saliva
- 3Starch was digested by pepsin in the saliva
- 4Starch was digested by trypsin in the saliva
Correct answer
Starch was digested by salivary amylase in the saliva
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