Question

Describe the path taken by a carbon atom as it moves from being part of the carbon dioxide in the air to being part of a starch in a plant. (5Marks)

Answer 1

Answer:

Photosynthesis

Explanation:

1. Diffusion of CO2 into the leaves by stomata

2. CO2 reacts with water in presence of sunlight

3.Chlorophyll in chloroplast act as a catalyst

4.Photosynthesis takes place

5.Product contains glucose that is C6H12O6 and is converted to starch

Answer 2

Plants get the carbon dioxide they need from the air through their leaves. It moves by diffusion through small holes in the underside of the leaf called stomata. These let carbon dioxide reach the other cells in the leaf, and also let the oxygen produced in photosynthesis leave the leaf easily.

What is photosynthesis?

Photosynthesis is a process that occurs in the chloroplast organelle of plant cells. The typical light reaction of photosynthesis takes place inside the thylakoid membrane of the chloroplast. The chief reactants such as water and carbon dioxide participate in the reaction. The water gets oxidized in the reaction to release oxygen as a product. The carbon dioxide gets reduced.

Thus, this is the answer.

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