Stomata is not a part of a root. So, the correct option is A.
What do you mean by Root?
The Root may be defined as a part of a plant that provides support to the plants. It is the only part of the plant that maintains the association with the soil. It also mediates the transport of minerals and nutrients to the plants from the soil with the help of vascular tissues.
Stomata are found in the leaves. They are pores that mediate the gas exchange. Guard cells mediate the opening and closure of stomata depending on the needs of the plants as well as environmental conditions.
Therefore, the correct option for this question is A.
To learn more about Stomata, refer to the link:
https://brainly.com/question/19393475
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