Petiole and reactus in fems are covered with small hairs called

Options

A. Spurs
B. Ramenta
C. Fronds
D. Ligule

Answer

To answer the question regarding what small hairs cover the petiole and rachis in ferns, we can follow these steps:

### Step-by-Step Solution:

1. **Understanding the Terms**:
- **Petiole**: This is the stalk that attaches the leaf blade to the stem.
- **Rachis**: This is the central axis of a compound leaf or the stem of a fern frond.

2. **Identifying the Options**:
- The question provides four options:
- A) Spurs
- B) Ramenta
- C) Fronds
- D) Ligule

3. **Analyzing Each Option**:
- **Option A: Spurs**: These are extensions of bones and are not related to ferns. Thus, this option is incorrect.
- **Option B: Ramenta**: These are brown hairy structures also known as scales. They are present on the younger portions of leaves and rhizomes in ferns. This option is likely correct.
- **Option C: Fronds**: This term refers to the entire leaf of a fern, not the small hairs. Therefore, this option is incorrect.
- **Option D: Ligule**: This is a thin extension found at the junction of the leaf and leaf stalk in grasses, not applicable to ferns. Thus, this option is also incorrect.

4. **Conclusion**:
- After analyzing all the options, the correct answer is **B) Ramenta**, as these are the small hairy structures covering the petiole and rachis in ferns.

### Final Answer:
The small hairs covering the petiole and rachis in ferns are called **Ramenta**.