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What is the purpose of detecting the presence of starch in leaf?
Wiki User
∙ 8y ago
It can be used to prove that photosynthesis has happened.
Wiki User
∙ 8y ago
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What happens if starch is present in leaf?
The presence of starch in plants indicate that photosynthesis has occurred. The process of testing the presence of starch uses iodine solution that turns to blue-black on a positive test.
A chemical solution used to test starch is?
the answer to tis would be iodine because it is uses in the method to test for presence of startch in a leaf
Why did the leaf turn brittle in testing a leaf for starch?
The leaf turns brittle during the testing the leaf for starch because the ethanol extracts the all water content from the leaf.
How does oxygen get into the leaf?
experiment to show the presence of in a leaf
Where is the most starch found in the plant cell?
Most of the starch contained in a leaf is located within chloroplasts.
Why is the color of leaf became dark blue after using the iodine solution is that means the leaf is healthy and have more starch?
because of the presence of starch
What is the purpose of covering the leaf with iodine?
if you cover a boiled leaf in iodine you can see how much starch is in the leaf
What happened a non green leaf is tested for starch?
A non-green leaf lacking chloroplasts will not be able to synthesize food which later on gets converted into starch. So it will not show the presence of starch in the test.
What is the purpose of the alcohol in testing a leaf for starch?
It is to remove the chloroplast and dissolve in the alcohol and turn it green.
Why did the leaf turn blue black when iodine was added in the starch test?
because photosynthesis has occured in the leaf. starch is produced and turns iodine blue-black indicating the presence of starch.
What happens if starch is present in leaf?
The presence of starch in plants indicate that photosynthesis has occurred. The process of testing the presence of starch uses iodine solution that turns to blue-black on a positive test.
A chemical solution used to test starch is?
the answer to tis would be iodine because it is uses in the method to test for presence of startch in a leaf
How is starch produced in the leaf?
When the plant is kept in sunlight the starch is formed in leaf.
Do the non -green areas of a leaf contain starch?
kritika chauhan- no. you can imitate a test .put 10 drops of dilute iodine solution on it. if it turns blue black than it contains starch. a blue black color indicate presence of starch in a food item. if you will do this test for a non green leaf it will be negative.
Why you use iodine to test the presence of starch but why not other chemicals?
Because it call sense the difference between a base and an acid.
Why did leaf had to be boiled in ethanol when testing leaf for starch?
Ethanol dissolves chlorophyll hence further phtosynthetic activity is stopped in the abscence of light and the leaf becomes transparent (colorless). the colorless leaf takes better stain with iodene while testing for the presence of starch.
How do you determine the location of starch in a leaf?
To determine the location of starch in a leaf, one can examine it under the microscope and apply one small drop of iodine to the leaf. The parts of the leaf that turn purple contain starch.
