In Riccia the sporogonium is

Options

A. Embedded
B. Projecting but sessile
C. Shortly stalked and projecting
D. Lateral.

Answer

**Step-by-Step Text Solution:**

1. **Identify the Organism**: Riccia is a genus that belongs to the family of liverworts, which are part of the division Bryophyta.

2. **Understanding Sporogonium**: The sporogonium is the spore-producing structure in plants that undergo alternation of generations. In the case of Riccia, it is important to note how it develops and its characteristics.

3. **Structure of Sporogonium in Riccia**: In Riccia, the sporogonium is a simple structure. It is typically embedded within the thallus (the main plant body) of the organism.

4. **Description of the Sporogonium**: The sporogonium in Riccia is characterized as a capsule-like structure. It is important to note that it lacks a seta (the stalk that supports the capsule in other bryophytes).

5. **Function of the Sporogonium**: The primary function of the sporogonium is to produce and release spores, which are essential for the reproduction and lifecycle of the plant.

6. **Conclusion**: In summary, the sporogonium in Riccia is a simple, capsule-like structure that is embedded in the thallus and does not have a seta.

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