If the iodine solution stays orange after testing a leaf for starch, it indicates that the leaf does not contain starch. Starch would typically turn the iodine solution blue-black in color. Therefore, the orange color suggests that the leaf did not produce a significant amount of starch through photosynthesis.
There is no significant amount of starch in an orange.
No, fish does not contain starch. Only plants contain starch.
No, it does not contain starch.
Yes it does contain starch.
no. It depends on the type of chocolate, but it many cases, yes it does contain starch.
It does contain starch
No. Water contains nothing but water. It can contain starch if starch is added to it.
Oranges, like almost every fruit, have an abundance of natural sugars (glucose, sucrose, fructose) in the form of mono or di-saccharides. It probably do not contain detectable amount of starch.
No, onions do not contain starch. They primarily consist of water, fiber, and various vitamins and minerals.
Beets do have starch.
Yes it contains starch