Write the steps involved in the starch test.
Write the steps involved in the starch test.
Destarching of a plant:
Destarching of a plant is important for testing the presence of starch in a plant.
The steps for the process of destarching of a plant include:
Step 1: Keep the plant in a dark room:
Keep a healthy green plant in a dark room for 24-48 hours. This is done to make sure that the plant uitilises all the stored food and the leaves become devoid of any starch.
Step 2: Cover a particular part of any leaf:
Cover a part of any leaf of this plant on both the sides with a piece of black paper firmly fixed to the leaf blade.
Step 3: Expose the plant to sunlight:
Now, put this plant back into bright light.
Step 4: Decolorise the leaf:
After few hours, remove the leaf and decolorise it in boiling water, using alcohol.
Step 5: Add iodine solution:
This is done to test the presence of starch in the leaf.
Destarching of a plant:
Destarching of a plant is important for testing the presence of starch in a plant.
The steps for the process of destarching of a plant include:
Step 1: Keep the plant in a dark room:
Keep a healthy green plant in a dark room for 24-48 hours. This is done to make sure that the plant uitilises all the stored food and the leaves become devoid of any starch.
Step 2: Cover a particular part of any leaf:
Cover a part of any leaf of this plant on both the sides with a piece of black paper firmly fixed to the leaf blade.
Step 3: Expose the plant to sunlight:
Now, put this plant back into bright light.
Step 4: Decolorise the leaf:
After few hours, remove the leaf and decolorise it in boiling water, using alcohol.
Step 5: Add iodine solution:
This is done to test the presence of starch in the leaf.
