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The initial cambial arch in dicot root r...

The initial cambial arch in dicot root rises from cells just

A

inner to xylem

B

outer to phloem

C

inner to phloem

D

close to cortex

Text Solution

AI Generated Solution

The correct Answer is:
To answer the question regarding the initial cambial arch in dicot roots, we can follow these steps: ### Step-by-Step Solution: 1. **Understanding the Structure of Dicot Roots**: - Dicot roots have a specific arrangement of vascular tissues, which includes xylem and phloem. The xylem is typically located towards the center, while the phloem is situated towards the outer side. 2. **Identifying the Cambium**: - The cambium is a layer of meristematic tissue responsible for secondary growth. In dicot roots, the cambium forms a ring that contributes to the growth in thickness of the root. 3. **Locating the Initial Cambial Arch**: - The question asks where the initial cambial arch arises. It is important to note that the cambium develops from specific cells located between the xylem and phloem. 4. **Analyzing the Options**: - The options provided are: a) Just inner to xylem b) Outer to phloem c) Inner to phloem d) Close to cortex - Based on the structure of dicot roots, the cambium arises from the cells that are just inner to the phloem. 5. **Conclusion**: - Therefore, the correct answer is that the initial cambial arch in dicot roots arises from cells that are **inner to phloem**. ### Final Answer: The initial cambial arch in dicot root rises from cells just **inner to phloem**. ---
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