Incorrect!

You're about to emerge from a junction. Your pillion passenger tells you it's clear. When should you rely on their judgement?

Never; you should always look for yourself
Correct answer
When the roads are very busy
When the roads are very quiet
You selected this answer
Only when they're a qualified rider

DVSA theory test explanation

Your passenger may be inexperienced in judging traffic situations, may have a poor view or may not have seen a potential hazard. You're responsible for your own safety and that of your passenger. Always make your own checks to be sure it's safe to pull out.