Most of the Dry Weight of a Plant is the Result

Question

Most of the dry weight of a plant is the result of uptake of
A) water and minerals through root hairs.
B) water and minerals through mycorrhizae.
C) CO₂ through stoma.
D) CO₂ and O₂ through stomata in leaves.
E) carbohydrates in the root hairs and concentration in the root cortex.

Accepted Answer

Most of the dry weight of a plant is derived from carbon, which is taken up as CO₂ through the stomata in the leaves and then converted into carbohydrates through photosynthesis.