Thallus of Anthoceros is

Options

A. Dichotomously branched
B. Irregularly branched
C. Unbranched
D. Foliaceous.

Answer

**Step-by-Step Solution:**

1. **Understanding Thallus**: The term "thallus" refers to an undifferentiated plant body that is not divided into roots, stems, and leaves. This characteristic is commonly found in bryophytes.

2. **Identifying Anthoceros**: Anthoceros is a type of bryophyte, commonly known as hornwort. It is important to note that it has a unique structure that distinguishes it from other bryophytes.

3. **Characteristics of Anthoceros**: The thallus of Anthoceros is specifically unbranched. This means that the plant body does not exhibit any branching structure, making it different from other bryophytes.

4. **Comparing with Other Bryophytes**:
- **Dichotomously branched**: This type of thallus is seen in Marchantia, another bryophyte.
- **Irregularly branched**: This characteristic is found in Sphagnum, which is also a type of moss.
- **Foliaceous**: This term refers to a leaf-like structure found in some bryophytes, such as Porphyra.

5. **Conclusion**: Based on the characteristics discussed, the thallus of Anthoceros is classified as unbranched. This is the correct answer to the question.

**Final Answer**: The thallus of Anthoceros is unbranched.

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