Question

Arrange the following terms in a logical Sequence

Iodine added, Destarched plant, washed in water, A leaf boiled in alcohol, placed in sunlight (test for the presence of starch) ​

Answer 1

Answer:

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Here is your ans

Explanation:

Destarched plant, Washed in water, a leaf boiled in alcohol, iodine added, placed in sunlight.

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Answer 2

Answer:

Destarched Plant, Placed in sunlight, A leaf boiled in alcohol, washed in water, Iodine added is the sequence of the terms followed during a starch test on a leaf.

Explanation:

The starch test is performed to demonstrate the importance of chlorophyll and its relation to the production of starch.

In this test, iodine is used to test the presence of starch, as it turns blue-black if starch is present.

The steps for the starch test are:-

1. Destarch the leaf, remove the stored starch from the leaf. It can be done by leaving the leaf in dark for a few hours.

2. Leave the leaf in sunlight so that photosynthesis can occur and starch gets produced.

3. boil the leaf in alcohol(ethanol) as it removes the chlorophyll.

4. wash in water so that it becomes clean.

5. Iodine is added to the leaf to test the presence of starch.