Question

Experiment to show that the saliva contains ptyalin

Answer 1

Explanation:

before taking food into the mouth ,take a Litmus indicator paper and touch it to the tounge then we observe no colour change perform theLitmus test again after chewing the food and swallowing it and then Litmus indicator paper turns blue colour. thins demonstrate that amylase converts Complex carbohydrates to simple sugar .amylase is alkaline in nature .this turn Litmus Paper blue which when touches glucose at the second time