Tom Whitburn 06/11/2026 Tom Whitburn 06/11/2026

OCR A Level Biology Exchange Surfaces and Ventilation Written Exam Questions – 20 Question Marked Quiz

Test yourself on OCR A 3.1.1 with 20 real exam questions on SA:V, the lungs, ventilation, spirometer traces and gas exchange in fish and insects, marked as you go.

WEEKLY GROUP MASTERCLASSES - FOR AQA or OCR A 
A different topic each week, working with real exam questions
 Lessons tailored to each exam board’s requirements and quirks

AQA Y12 - 5.15pm Tues
AQA Y13 - 6.30pm Weds or Thurs
OCR A Y12 - 5.15pm Weds
OCR A Y13 - 5.15pm Thurs or 6.30pm Tues