Question

activity to test presence of starch in a leaf

Answer 1

u can search from Google u will get drawing also and well procedure to understand
i hope u understand if u have doubt ask in comment box

Answer 2

$\huge\textbf{Answer :}$



→ Take a potted plant and put in a dark room.

→ After sometime pluck a leave from the plant.

→ Then boil it in water for 5 min to soft it and after doing that place the leave in a test tube containing alcohol.

→ Place the test tube in a beaker containg water.

→ Then, genlty heat the beaker till the alcohol dissolves in the chrolophyll and the leaves loses its green colour.

→ Wash the leaf and Water. After doing that place the leaf on a plate and add a few drops of iodine solution.

→ The parts that turn blue black show the presence of starch in a leaf.

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