Question

2. Distinguish De
3. How would you test the presence of starch in leaves?
4. Give a brief description of the process of synthesis of food in green plants.
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Answer 1

Answer:

2nd answer :-

1. heat a plant leaf in boiling water for 30 seconds (this stops its chemical reactions)

2. heat it in boiling ethanol for a few minutes (this removes most of its colour)

3. wash with water and spread onto a white tile.

add iodine solution from a dropping pipette.

3rd answer :-

The process of synthesis of food in green plants is called photosynthesis. This process takes place in the cells containing the green pigment chlorophyll. ... During photosynthesis, chlorophyll containing cells of leaves, in the presence of sunlight, use carbon dioxide and water to synthesise carbohydrates.