Question

Write the procedure to be followed in the starch test​

Answer 1

Answer:

Step 1: A fresh leaf is taken.

Step 2: The leaf is boiled in water for few minutes to soften the cells in the leaf.

Step 3: Now, dip this leaf in iodine solution.

Step 4: The color of the leaf will changes into blue black color when iodine is added to it which shows the presence of starch in it.

Answer 2

Answer:

Step 1: A fresh leaf is taken. Step 2: The leaf is boiled in water for few minutes to soften the cells in the leaf. Step 3: Now, dip this leaf in iodine solution. Step 4: The color of the leaf will changes into blue black color when iodine is added to it which shows the presence of starch in it.