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Vascular bundles of roots are...

Vascular bundles of roots are

A

Conjoint

B

Concentric

C

Bicollateral

D

Radial

Text Solution

AI Generated Solution

The correct Answer is:
To solve the question regarding the type of vascular bundles found in roots, we will analyze the options provided and determine the correct answer step by step. ### Step 1: Understand the Types of Vascular Bundles Vascular bundles are arrangements of xylem and phloem in plants. The main types of vascular bundles are: - **Conjoined**: Xylem and phloem are found together in a single bundle. - **Concentric**: Xylem and phloem are arranged in a concentric manner, one surrounding the other. - **Bicollateral**: Xylem and phloem are present on both sides of the xylem in a single bundle. - **Radial**: Xylem and phloem are arranged in separate groups, alternating in a radial pattern. ### Step 2: Analyze the Options 1. **Conjoined**: This type is typically found in leaves and stems, not in roots. 2. **Concentric**: This arrangement is found in some monocots and pteridophytes but is absent in roots. 3. **Bicollateral**: This type is found in certain stems, particularly in the Solanaceae family, but not in roots. 4. **Radial**: In roots, xylem and phloem are arranged in separate groups at alternate radial positions. ### Step 3: Identify the Correct Answer From the analysis, the only option that accurately describes the arrangement of vascular bundles in roots is **radial**. This is because in roots, xylem and phloem are indeed found in separate groups, which is characteristic of radial vascular bundles. ### Conclusion The correct answer to the question "Vascular bundles of roots are" is **radial**. ---
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