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The vertical section of plant material s...

The vertical section of plant material shows the following anatomical characters under microscope :- Mesophyll is differentiated into palisade parenchyma and spongy parenchyma, bundle sheath extensions are parenchymatous and usually stomata are more on lower surface. Plant material should be -

A

Dicot stem

B

Dorsiventral leaf

C

Isobilateral leaf

D

Monocot stem

Text Solution

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The correct Answer is:
To determine the plant material based on the anatomical characters observed under the microscope, we can follow these steps: ### Step-by-Step Solution: 1. **Identify the Mesophyll Structure**: The mesophyll is differentiated into palisade parenchyma and spongy parenchyma. This indicates that the plant material is likely a leaf, as these structures are characteristic of leaf anatomy. **Hint**: Look for the types of mesophyll cells to determine if the structure is a leaf. 2. **Examine Bundle Sheath Extensions**: The presence of parenchymatous bundle sheath extensions suggests that the plant has a specific arrangement of vascular tissues. This is commonly found in dicotyledonous plants. **Hint**: Bundle sheath cells can provide clues about the type of plant; consider their function and arrangement. 3. **Stomata Distribution**: The observation that stomata are more abundant on the lower surface of the leaf is a key characteristic of dicot leaves. In contrast, monocot leaves typically have stomata distributed on both surfaces. **Hint**: The location of stomata can help distinguish between dicots and monocots. 4. **Conclusion**: Based on the anatomical features observed (differentiated mesophyll, parenchymatous bundle sheath extensions, and stomata predominantly on the lower surface), we can conclude that the plant material is a dicot leaf. **Hint**: Summarize the anatomical features to confirm the type of plant material. ### Final Answer: The plant material should be a **dicot leaf**.
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