Moss sporophyte does not possess

Options

A. Elaters
B. Seta
C. Foot
D. Columella.

Answer

**Step-by-Step Solution:**

1. **Understand the Structure of Moss Sporophyte:**
- The moss sporophyte is a part of the bryophyte group and consists of three main structures: the foot, the seta (stalk), and the capsule.

2. **Identify the Components of the Sporophyte:**
- The **foot** is the base of the sporophyte that anchors it to the gametophyte.
- The **seta** is the stalk that elevates the capsule.
- The **capsule** is where spores are produced.

3. **Recognize the Function of the Columella:**
- Inside the capsule, there is a structure called the **columella**, which is an axis of sterile tissue that runs through the center of the capsule. It provides support but does not produce spores.

4. **Evaluate the Options Given:**
- The options provided are: elater, seta, foot, and columella.
- The seta, foot, and columella are all present in the moss sporophyte.

5. **Define Elaters:**
- **Elaters** are additional tubular cells found in the capsules of some bryophytes, which help in the dispersal of spores. They are characterized by their spiral thickening and assist in the release of spores.

6. **Conclusion:**
- Since elaters are not present in moss sporophytes, the correct answer to the question "Moss sporophyte does not possess" is **elaters**.

**Final Answer:**
Moss sporophyte does not possess **elaters**.

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