Riccia gametophyte develops from spore and ends in

Options

A. Thalllus
B. Capsule
C. Zygote
D. Spore

Explanation

**Step-by-Step Solution:**

1. **Understanding the Organism**: Riccia is a type of liverwort, which is a non-vascular plant belonging to the group of bryophytes.

2. **Development from Spores**: The life cycle of Riccia begins with the germination of spores. These spores are produced by the sporophyte generation.

3. **Formation of Gametophyte**: When the spores germinate, they develop into the gametophyte stage. In Riccia, the gametophyte is thallus-like, meaning it does not have true stems, roots, or leaves.

4. **Heteromorphic Life Cycle**: Riccia exhibits a heteromorphic life cycle, which means it has two distinct phases: the gametophytic phase and the sporophytic phase. The gametophyte produces male and female gametes.

5. **Fertilization**: The male and female gametes fuse during fertilization to form a zygote.

6. **Development of Sporophyte**: The zygote then develops into the sporophyte, which is the diploid generation. The sporophyte eventually produces new spores.

7. **Ending of the Gametophyte Development**: The question asks where the development of the Riccia gametophyte ends. The development of the gametophyte ends with the formation of the zygote, as this is the point where the gametophyte generation transitions to the sporophyte generation.

**Final Answer**: The Riccia gametophyte develops from spores and ends in a zygote.

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