Question

Arjun wanted to test of starch in leaves.he performed the following steps @ he took a leaf amd boiled in water b ) he placed the leaf in a petri dish amd poured some iodine over it . He did not get the expected result. Which step did he miss ? Explain

Answer 1

Because the all starch was in the water in which he boiled the leaves.

Answer 2

He actually misses the step, where which he have test the $\textbf{presence of starch in water}$. Where as he tested the starch in leaf.

He don't get any observation on leaf because all starch is in water in which leaf was boiled.