Stomata in grass leaf are

Options

A. dumb - bell shaped
B. kidney - shaped
C. rectangular
D. barrel - shaped

Answer

**Step-by-Step Solution:**

1. **Understanding Stomata**: Stomata are small openings on the surface of leaves that facilitate gas exchange. They are surrounded by guard cells that regulate their opening and closing.

2. **Identifying Stomatal Shapes**: There are two primary shapes of stomata observed in plants:
- **Dumbbell-shaped stomata**: These are typically found in narrow leaf blades, such as in grasses and wheat plants.
- **Kidney-shaped stomata**: These are generally found in broad leaf blades.

3. **Analyzing the Question**: The question specifically asks about the shape of stomata in grass leaves. Since grasses have narrow leaf blades, we can conclude that they possess dumbbell-shaped stomata.

4. **Eliminating Incorrect Options**:
- **Kidney-shaped**: This option is incorrect for grass leaves as it is associated with broad leaf blades.
- **Rectangular**: This option is not a recognized shape for stomata in any plant.
- **Barrel-shaped**: This option is also not a recognized shape for stomata.

5. **Conclusion**: Based on the information and analysis, the correct answer to the question is that stomata in grass leaves are **dumbbell-shaped**.

**Final Answer**: Stomata in grass leaves are dumbbell-shaped.

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