The question is incomplete and the complete question is
Which is false about the Tilia stem?
Answer:
C) The xylem is located outside the phloem
Explanation:
<em>Tilia americana</em> is a tree which grows in the climate of Eastern America. The tree is dicotyledonous and therefore posses secondary growth.
The anatomy of the stem of the Tilia plant shows that the:
1. Pith- the pith is the central portion of the stem which is composed of the parenchymatous cells. The pith also contains the mucilage ducts.
2. Cortex- the cortex is the portion present inside the epidermal layer which is made of both the chloroplast containing cells called collenchyma cells and the parenchyma.
3. Epidermis- The outermost layer which is composed of the single layer of cells.
4. Vascular bundle- Since the phloem is located inside the xylem and not xylem is inside the phloem therefore in the given is the false statement.
Thus, Option-C is correct.
The correct answer to this question is D.
Explanation:
Examples of a Hypothesis Not Written in a Testable Form
"It doesn't matter" doesn't have any specific meaning, so it can't be tested. Ultraviolet light could cause cancer. The word "could" makes a hypothesis extremely difficult to test because it is very vague.