Question:
Peripheral Vascular Bundles are generally smaller than the centrally located in the following plant stem
Peripheral Vascular Bundles are generally smaller than the centrally located in the following plant stem
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The "scattered vascular bundle" arrangement with smaller peripheral bundles is a classic anatomical identifier of monocot stems.
Updated On: Jul 22, 2026
- Hibiscus
- Cucurbita
- Solanum
- Maize
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The Correct Option is D
Solution and Explanation
Step 1: Understanding the Question:
The question asks us to identify the plant stem in which the vascular bundles near the outer edge (periphery) are smaller than those situated in the center.
Step 2: Key Concepts and Approach:
We analyze the anatomical arrangement of vascular bundles in monocot stems versus dicot stems.
Dicot stems (e.g., Hibiscus, Solanum) have vascular bundles arranged in a ring.
Monocot stems (e.g., Maize) have vascular bundles scattered throughout the ground tissue (atactostele).
Step 3: Detailed Explanation:
• Monocot stems like Maize (Zea mays) have numerous scattered vascular bundles.
• These bundles are conjoint, collateral, and closed (lacking cambium).
• There is a distinct size gradient: the vascular bundles near the periphery are smaller and more densely crowded.
The bundles situated towards the center of the stem are larger and spaced further apart.
• Dicot stems (Hibiscus, Cucurbita, Solanum) have a single ring of vascular bundles that are of relatively uniform size.
Step 4: Final Answer:
Maize is a monocot, and its stem exhibits smaller peripheral vascular bundles and larger central vascular bundles.
The question asks us to identify the plant stem in which the vascular bundles near the outer edge (periphery) are smaller than those situated in the center.
Step 2: Key Concepts and Approach:
We analyze the anatomical arrangement of vascular bundles in monocot stems versus dicot stems.
Dicot stems (e.g., Hibiscus, Solanum) have vascular bundles arranged in a ring.
Monocot stems (e.g., Maize) have vascular bundles scattered throughout the ground tissue (atactostele).
Step 3: Detailed Explanation:
• Monocot stems like Maize (Zea mays) have numerous scattered vascular bundles.
• These bundles are conjoint, collateral, and closed (lacking cambium).
• There is a distinct size gradient: the vascular bundles near the periphery are smaller and more densely crowded.
The bundles situated towards the center of the stem are larger and spaced further apart.
• Dicot stems (Hibiscus, Cucurbita, Solanum) have a single ring of vascular bundles that are of relatively uniform size.
Step 4: Final Answer:
Maize is a monocot, and its stem exhibits smaller peripheral vascular bundles and larger central vascular bundles.
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