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In pteridophytes, the male and female se...

In pteridophytes, the male and female sex organs are produced on `:`

A

gametophytes

B

sporophytes

C

sporangia

D

sporophylls

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The correct Answer is:
**Step-by-Step Solution:** 1. **Understanding Pteridophytes**: Pteridophytes are a group of vascular plants that include ferns and horsetails. They are characterized by the presence of vascular tissue, which is crucial for transporting water and nutrients. 2. **Identifying the Plant Body**: In pteridophytes, the dominant phase of the life cycle is the sporophyte, which is the diploid phase. The sporophyte produces spores through meiosis. 3. **Formation of Spores**: The sporophyte contains specialized cells called spore mother cells. These cells undergo meiosis to produce spores. 4. **Germination of Spores**: The spores released by the sporophyte germinate and develop into a gametophyte. In pteridophytes, the gametophyte is referred to as the prothallus. 5. **Production of Gametes**: The prothallus (gametophyte) is where the male and female sex organs are formed. The male sex organs are called antheridia, which produce male gametes (sperm), and the female sex organs are called archegonia, which produce female gametes (eggs). 6. **Conclusion**: Therefore, in pteridophytes, the male and female sex organs are produced on the gametophyte. **Final Answer**: In pteridophytes, the male and female sex organs are produced on the **gametophyte**. ---
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