Form Interrogatories—General (DISC-001). Form Interrogatories are a list of questions on a court form.(2) Form Interrogatories. There are two types of interrogatories: form interrogatories and special interrogatories. You may receive one or both types of interrogatories in your case. This guide contains forms and instructions for propounding Form Interrogatories on your opponent in a California civil case. Interrogatories are a type of discovery that frequently gets used in personal injury lawsuits. Sample answers to interrogatories in personal injury auto accidents. Help in providing responses required for answering written discovery questions. Learn about civil discovery in personal injury cases with this guide.