IDC Guide

PADI IDC and IE Quiz: Test your Knowledge Before your IDC/IE


Welcome to our PADI IDC (Instructor Development Course) and IE (Instructor Examination) quiz, designed specifically for aspiring and current scuba diving instructors. This quiz covers various aspects of diving and instructing, providing a great way to test your knowledge and prepare for your certification exams. Answer these questions in your head, with a friend or even on a piece of paper. Most importantly, remember… NO CHEATING! The answers are provided at the end of the post. Let’s dive in!


  1. Decompression Sickness
    • What is the primary cause of decompression sickness in scuba divers?
  2. Rescue Techniques
    • What is the first step in performing a rescue for an unresponsive diver at the surface?
  3. Physics of Diving
    • How does increasing depth affect the color spectrum underwater?
  4. Dive Planning
    • What is the purpose of a dive table or dive computer in planning a dive?
  5. Scuba Equipment
    • Name two essential features of a buoyancy control device (BCD).
  6. Environment and Ecosystem
    • What is the significance of coral reefs in the marine ecosystem?
  7. Dive Skills
    • Describe the proper technique for a buddy breathing emergency ascent.
  8. Teaching Methods
    • What are the key components of the PADI system of diver education?
  9. Dive Safety
    • What is the most common injury in scuba diving and how can it be prevented?
  10. Navigation Skills
    • What are two basic underwater navigation techniques used by divers?

We hope you found this quiz both challenging and informative. Whether you’re preparing for the PADI IDC and IE exams or just refreshing your knowledge as a scuba diving instructor, it’s always important to stay sharp and informed. Keep diving, keep learning, and stay safe under the waves!


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