Question

with the help of an experiment demonstrate the presence of starch in Green Leaves draw a suitable diagrams​

Answer 1

Answer:

i will explain in brief...

Explanation:

take a leaf, keep it in water and boil that water

after boiling,take that leaf,and put it in testube half filled with methylated spirit

keep that testube in water and boil it

the chlorophyll dissolves in spirit

after becoming pale(leaf)

take that leaf out and put it in petridish

pour some iodine solution

the leaf will become blue-black

this indicates presence of starch

sorry.i cant keep photo

Answer 2

Answer:

the presence of starch in Leaves can be tested by iodine test. When we remove chlorophyll from a leaf by boiling it in alcohol and then putting two drops of iodine solution, it's colour change to blue indicates the presence of starch.