question_answer

Amit performs an experiment in laboratory, he takes two test tubes, label, A and B. He puts one teaspoonful of boiled rice in test tube A, and keep one teaspoonful of boiled rice after chewing it for 3 to 5 minutes in test tube B. He adds 3 - 5 ml of water in both the test tubes, Now pour 2- 3 drops of iodine solution in each test tube. What is the conclusion of the experiment performed by Amit?

A) The saliva breaks down the starch into sugar.

B) The test tube A containing boiled rice does not react with iodine, because of the absence of saliva.

C) The colour of the test tube A is the colour of iodine solution.

D) All of these

E) None of these