Question

Do as directed
(1) How would you check the presence of starch in leaves?
(2) Néhabhabhi takes two types of fiber, natural and synthetic. She does not know which one
is natural fiber and which is synthetic fiber. Which activity you will suggest to identify the
fibers?​

Answer 1

Answer:

1) The presence of starch in leaves can be tested by the Iodine test. When we remove chlorophyll from the leaf by boiling it in alcohol and then put two drops of iodine solution, it is colour change to blue indicates the presence of starch.