Here are some resources & links where you can find 2025 Karnataka State Board (II PUC / Class 12) question papers for PCMB (Physics, Chemistry, Mathematics, Biology) & related model/sample papers

 1.✅ Official / High-quality sources

Karnataka Department of Pre University Education (DPUE)

They have released Model Question Papers 2025 — with blueprints etc.

https://dpue-exam.karnataka.gov.in/ModelQp2025/frmkmpdamodelpapers?utm_source=chatgpt.com

2. Shiksha.com

Provides Model / Sample papers for 2025 for 2nd PUC / Class 12.

https://www.shiksha.com/boards/karnataka-2nd-puc-board-question-papers

3.Jagran Josh

Model Test Papers for all subjects for II PUC 2024-25, free PDF download.

https://www.jagranjosh.com/articles/kseab-karnataka-board-2nd-puc-class-12-model-test-sample-paper-2024-2025-free-pdf-download-for-all-subjects-1726546805-1

4.Testbook.com

Previous year question papers for 2025, including major subjects like Maths, Physics, Chemistry, Biology

https://testbook.com/karnataka-2nd-puc/previous-year-papers