In Gymnosperms which is not found :

Options

A. Antheridia
B. Archegonia
C. Both
D. None of these

Answer

To solve the question "In Gymnosperms which is not found?", we can follow these steps:

### Step 1: Understand the terms involved
- **Antheridia**: This is the male reproductive structure found in some plants, including Bryophytes and Pteridophytes.
- **Archegonia**: This is the female reproductive structure found in Bryophytes, Pteridophytes, and Gymnosperms.
- **Gymnosperms**: A group of seed-producing plants that includes conifers and cycads.

### Step 2: Analyze the presence of reproductive structures in Gymnosperms
- **Antheridia**: It is primarily found in Bryophytes and Pteridophytes, but not in Gymnosperms.
- **Archegonia**: This structure is present in Gymnosperms, as well as in Bryophytes and Pteridophytes.

### Step 3: Identify what is not found in Gymnosperms
- Since Antheridia is not found in Gymnosperms and Archegonia is present, we conclude that Antheridia is the correct answer to the question.

### Step 4: Final conclusion
- Therefore, the answer to the question "In Gymnosperms which is not found?" is **Antheridia**.