Question

(a)test for starch

observation-

result-

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Answer 1

Answer:

would you like to explain your question in brief .

Explanation:

your question is too short to understand

Answer 2

Answer:

Observations :-

There will be a change in colour. A blue-black colour develops on the slice or cubes of the potato samples.

Result :-

The result is positive.

According to the observation the food sample or the potato slice turned to blue-black on adding the iodine solution. This proves the presence of starch in the given plant source.