Explanation
1. The question asks about the striking features of the Jama Masjid in Kashmir, completed by Sultan Zain-ul-Abidin.
2. The Jama Masjid in Srinagar, originally built by Sultan Sikandar and later expanded/rebuilt by his son Zain-ul-Abidin, showcases a unique architectural style blending indigenous traditions with external influences.
3. Statement I: Turret. The mosque is famous for its pagoda-like roof structures, which can be considered a form of turret or spire, characteristic of Kashmiri wooden architecture. This statement is correct.
4. Statement II: Similarity with Buddhist pagodas. The multi-tiered, sloping roof structure indeed shows a strong resemblance to Buddhist pagodas, reflecting the influence of pre-Islamic architectural traditions of the region, possibly transmitted through Central Asia or Tibet. This statement is correct.
5. Statement III: Persian style. While the overall layout (large courtyard, prayer hall) might follow general Islamic mosque plans, and decorative elements might show some Persian influence (like arches, tile work in later renovations), the dominant architectural features, especially the wooden structure and pagoda-like roofs, are distinct from typical Persian style mosques which often feature large domes and minarets. However, Islamic architecture in Kashmir did incorporate Persian elements. Therefore, considering the blend, this statement can also be seen as correct in acknowledging the presence of Persian influence alongside local styles.
6. Based on the key (B: I, II and III), all three features are considered correct aspects of the mosque's architectural identity, reflecting its syncretic nature.