Given below are the pairs of plants with sub-acrial stems. Find the dissimilar pair w.rct. the modification.

Options

A. Mint, Jasmine
B. Pistia, Eichhornia
C. Banana, Grass
D. Both (1) & (3)

Answer

To solve the question regarding the dissimilar pair of plants with sub-aerial stems, we will analyze each pair based on their modifications.

### Step-by-Step Solution:

1. **Identify the Pairs**: The pairs given are:
- Mint and Jasmine
- Pistia and Ecornea
- Banana and Grass

2. **Examine the First Pair (Mint and Jasmine)**:
- Both Mint and Jasmine have sub-aerial stems known as **stolons**.
- Stolons are slender stems that grow horizontally above the ground and can give rise to new plants.
- **Conclusion**: This pair is similar.

3. **Examine the Second Pair (Pistia and Ecornea)**:
- Both Pistia and Ecornea have a modification known as **offsets**.
- Offsets are short, horizontal stems that produce new plants at their ends.
- **Conclusion**: This pair is also similar.

4. **Examine the Third Pair (Banana and Grass)**:
- Banana plants have a modification known as **suckers**.
- Suckers are vertical shoots that arise from the base of the plant.
- Grass, on the other hand, has a modification called **runners**.
- Runners are horizontal stems that grow along the ground and can produce new plants.
- **Conclusion**: This pair is dissimilar because they have different types of stem modifications.

5. **Final Conclusion**: The dissimilar pair with respect to the modification is **Banana and Grass**.

### Answer:
The dissimilar pair with respect to the modification is **Banana and Grass**.

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