Aqa a level biology Study guides, Class notes & Summaries

AQA A-level BIOLOGY 7402/1 Paper 1 Question Paper + Mark scheme [MERGED] June 2022 *jun* IB/M/Jun22/E12 7402/1 For Examiner’s Use Question Mark 1 2 3 4 5 6 7 8 9 TOTAL Please write clearly in block capitals. Centre number Candidate number Surname Forename(s) Candidate signature I declare this is my own work. Time allowed: 2 hours Materials For this paper you must have: • a ruler with millimetre measurements • a scientific calculator. Instructions • Use bl...

AQA A-level BIOLOGY 7402/3 Paper 3 Question Paper + Mark scheme [MERGED] June 2022 *jun* IB/M/Jun22/E10 7402/3 For Examiner’s Use Question Mark 1 2 3 4 5 6 TOTAL Time allowed: 2 hours Materials For this paper you must have: • a ruler with millimetre measurements • a scientific calculator. Instructions • Use black ink or black ball-point pen. • Fill in the boxes at the top of this page. • Answer all questions in Section A. • Answer one question from Secti...

AQA A-level BIOLOGY 7402/3 Paper 3 Mark scheme June 2023

AQA A-level BIOLOGY Paper 3 June 2023

aqa A-level BIOLOGY Paper 3 (7402/3) June 2023 Question Paper. 1. Describe how stimulation of a Pacinian corpuscle produces a generator potential. 2. Use Figure 1 to describe what is meant by the all-or-nothing principle. 3. On Figure 1, from 0.6 ms to 4.0 ms, no new generator potential could be produced. What is this time period called?. 4. A student investigated the effect of different sugars on the rate of respiration in yeast. Yeast normally respires glucose.Figure 2 shows the method she us...

2023 AQA A-level BIOLOGY 7402/2 Paper 2 Question Paper & Mark scheme (Merged) June 2023 [VERIFIED]