AQA GCSE COMBINED SCIENCE: SYNERGY 8465/2H Higher Tier Paper 2 Life and Environmental Sciences Version: 1.0 Final// QUESTION PAPER & MARKING SCHEME/ [MERGED] Marking scheme June 2023

GCSE COMBINED SCIENCE: SYNERGY 8465/2H Higher Tier Paper 2 Life and Environmental Sciences Version: 1.0 Final G/KL/Jun23/E6 8465/2H (JUN2384652H01) GCSE COMBINED SCIENCE: SYNERGY Higher Tier Paper 2 Life and Environmental Sciences Thursday 25 May 2023 Morning Time allowed: 1 hour 45 minutes Materials For this paper you must have:  a ruler  a protractor  a scientific calculator  the periodic table (enclosed)  the Physics Equations Sheet (enclosed). Instructions  Use black ink or black ball-point pen. Pencil should only be used for drawing.  Fill in the boxes at the top of this page.  Answer all questions in the spaces provided. Do not write outside the box around each page or on blank pages.  If you need extra space for your answer(s), use the lined pages at the end of this book. Write the question number against your answer(s).  Do all rough work in this book. Cross through any work you do not want to be marked.  In all calculations, show clearly how you work out your answer. Information  The maximum mark for this paper is 100.  The marks for questions are shown in brackets.  You are expected to use a calculator where appropriate.  You are reminded of the need for good English and clear presentation in your answers. For Examiner’s Use Question Mark 1 2 3 4 5 6 7 8 TOTAL Please write clearly in block capitals. Centre number Candidate number Surname ________________________________________________________________________ Forename(s) ________________________________________________________________________ Candidate signature ________________________________________________________________________ I declare this is my own work. H 2 (02) G/Jun23/8465/2H Do not write outside the box 0 1 All living organisms are made of cells. Figure 1 shows two types of cell. Figure 1 28.6 micrometres Not to scale Cell B Liver cell 4.4 micrometres Bacterial cell Cell A 0 1 . 1 Calculate how many times longer the liver cell is than the bacterial cell. [2 marks] ___________________________________________________________________________________ ___________________________________________________________________________________ Number of times longer = ____________________________________ 3 (03) G/Jun23/8465/2H Do not write outside the box Turn over 8 0 1 . 2 Compare the structure of cell A