Question

How do we know that the leaf has prepared the starch and not received it from another part of the plant

Answer 1

Answer:

this we know through a experiment.

Explanation:

By iodine solution we know that the leaf has prepared the starch and not received it from another part of the plant.

Answer 2

Chlorophyll is the substance that helps to make food and its presence in the leaf of not any other part of the plant.

EXPLANATION  

The leaf is a part of the plant that makes food because it contains chlorophyll that helps the raw materials to form food or starch.

The formation of food into the leaves is done due to the presence of a green substance called chlorophyll.

The chlorophyll is present in leaves only. Therefore food is prepared within the leave.

Learn more about food formation in plants from here - https://brainly.in/question/5395368