Question

Most of the dry weight of a plant is the result of uptake of

Answer 1

Most of the dry weight of a plant is the result of uptake of CO2 through stomata in leaves

Answer 2

The absorption of CO2 through stomata in leaves accounts for the majority of a plant's dry weight.

Stomata and leaf:

Stomata are tiny apertures found all over the surface of plant leaves. To absorb the carbon dioxide required for photosynthesis, the stomata open. They also open to allow the oxygen created by the process to escape.

To absorb carbon dioxide from the air, most plants employ a pore-like structure called stomata on the underside of the leaves. Carbon dioxide is utilized to create sugars, which the plant can use for energy or to incorporate into its fibrous cell walls.

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