A scientist carried out the experiment described below. Did the section of plant used by the scientist come from a root, a leaf or a stem?

To determine whether the section of the plant used by the scientist came from a root, a leaf, or a stem, we would typically look for certain characteristics depending on what the scientist was investigating.

1. Roots: Root sections often appear more fibrous and do not have nodes or leaves. They primarily absorb water and nutrients.

2. Leaves: Sections from leaves usually have a flat, broad structure and often show a network of veins.

3. Stems: Stem sections usually exhibit a cylindrical shape and may have nodes where leaves attach. They provide support and transport nutrients and water.

Without specific details about the characteristics of the section used in the experiment, we cannot definitively determine whether it came from a root, leaf, or stem. If you have more context about the experiment or the properties of the plant section examined, that would help clarify the answer.