Practice your interview with the new SDN AI Interview Coach. Choose a school, answer by voice or typing, and receive a personalized feedback report. Available now to all SDN members. Try the AI Interview Coach.
I think it's one of those things where they're not directly tested, but will show up in passages, reactions, etc., etc. so it's important to be familiar with them.
Sorry, I should have been more clear. Older threads suggest that reaction mechanisms involving alkenes and alkynes aren't tested, not that they're not mentioned.