You may download free Standard 10th-12th (Science- Commerce) Question bank-Prashn Pustika by using following links,
Gujarati Medium,
SSC
HSC Commerce
HSC Science
English Mediun,
SSC
HSC Commerce
HSC Science
Gujarati/ English Medium
JEE/ NEET
Gujarati Medium,
SSC
HSC Commerce
HSC Science
English Mediun,
SSC
HSC Commerce
HSC Science
Gujarati/ English Medium
JEE/ NEET