Question

explain how does exchange of gases occur in plants across the surface of the stamp roots and leaves

Answer 1

across the surface of stems and leaves the exchange of gases takes place by minor pores on the surface known as stomata and on roots it took place by diffusion process

Answer 2

exchange of gases takes place in plants across the surface of the stem roots and the leaves through the process of diffusion.Plants obtain the gases they need through their leaves. They require oxygen for respiration and carbon dioxide for photosynthesis. The gases diffuse into the intercellular spaces of the leaf through pores, which are normally on the underside of the leaf - stomata.
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