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Vascular bundles are conjoint, bicollate...

Vascular bundles are conjoint, bicollateral and open in :

A

Wheat stem

B

Pea root

C

Wheat root

D

Cucurbita stem

Text Solution

AI Generated Solution

The correct Answer is:
**Step-by-Step Solution:** 1. **Understanding Vascular Bundles**: Vascular bundles are arrangements of xylem and phloem in plants. They can be classified based on their arrangement and the number of vascular tissues present. 2. **Types of Vascular Bundles**: The question specifies "conjoint, bicollateral, and open" vascular bundles. - **Conjoint** means that xylem and phloem are present in the same bundle. - **Bicollateral** means that there are two phloem strands surrounding a central xylem strand. - **Open** indicates that there are cambium cells present, allowing for secondary growth. 3. **Identifying Examples**: The bicollateral vascular bundles are typically found in certain plants. The transcript mentions that these bundles are present in the stems of: - **Cucurbita** (commonly known as gourds) - **Cephalandra** 4. **Analyzing Options**: The question likely provides multiple-choice options. The transcript evaluates the options: - **Wheat stem**: Not bicollateral. - **Wheat root**: Not bicollateral. - **Wheat root**: Not bicollateral. - **Cucurbita stem**: This is the correct answer as it contains bicollateral vascular bundles. 5. **Conclusion**: The correct answer to the question is the stem of **Cucurbita**. **Final Answer**: Vascular bundles are conjoint, bicollateral, and open in the stem of **Cucurbita**. ---
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