Natural Sciences Admissions Assessment (NSAA), 2x interviews
Interview 1: Biology questions Interview 2: Chemistry questions with some Neuroscience
Watching sample interviews, preparing to talk about science
IB exam papers
Don't worry if you feel you messed up an interview; your application is looked at holistically!
Remember this advice isn't official. There is no guarantee it will reflect your experience because university applications can change between years. Check the official Cambridge and Oxford websites for more accurate information on this year's application format and the required tests.
Also, someone else's experience may not reflect your own. Most interviews are more like conversations than tests and like, any conversation, they are quite interactive.
Test taken: Natural Sciences Admissions Assessment (NSAA)
Number of interviews: 2
Time between interviews: 15 minutes
Length of interviews: 15 minutes
Online interview: Yes
The interviews were mainly focused on academics with one being a pure Biology interview and the other a Chemistry interview with rudimentary Neuroscience.
I watched samples of other Cambridge interviews. I did
IB exam papers in Biology and Maths
I thought my first interview was catastrophic but the second was great and got me in. Don't worry too much if you mess up in the interviews or anywhere in the process you can still recover.