AQA GCSE COMBINED SCIENCE: SYNERGY 8465/1F Foundation Tier Paper 1 Life and Environmental Sciences Version: 1.0 Final G/LM/Jun23/E7 8465/1F (JUN2384651F01) GCSE COMBINED SCIENCE: SYNERGY Foundation Tier Paper 1 Life and Environmental Sciences QUESTION PAP

GCSE COMBINED SCIENCE: SYNERGY 8465/1F Foundation Tier Paper 1 Life and Environmental Sciences Version: 1.0 Final G/LM/Jun23/E7 8465/1F (JUN2384651F01) GCSE COMBINED SCIENCE: SYNERGY Foundation Tier Paper 1 Life and Environmental Sciences Tuesday 16 May 2023 Morning Time allowed: 1 hour 45 minutes Materials For this paper you must have: l a ruler l a protractor l a scientific calculator l the periodic table (enclosed) l the Physics Equations Sheet (enclosed). Instructions l Use black ink or black ball-point pen. l Pencil should only be used for drawing. l Fill in the boxes at the top of this page. l Answer all questions in the spaces provided. Do not write outside the box around each page or on blank pages. l 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). l Do all rough work in this book. Cross through any work you do not want to be marked. l In all calculations, show clearly how you work out your answer. Information l The maximum mark for this paper is 100. l The marks for questions are shown in brackets. l You are expected to use a calculator where appropriate. l 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 9 TOTAL Please write clearly in block capitals. Centre number Candidate number Surname ________________________________________________________________________ Forename(s) ________________________________________________________________________ Candidate signature ________________________________________________________________________ I declare this is my own work. F 2 (02) G/Jun23/8465/1F Do not write outside the box 0 1 Figure 1 shows part of the water cycle. Figure 1 Ocean Cloud B C Water vapour A 0 1 . 1 Name processes A, B and C. Choose answers from the box. [3 marks] absorption condensation evaporation precipitation transpiration A _________________________________________________________ B _________________________________________________________ C _________________________________________________________ 3 (03) G/Jun23/8465/1F Do not write outside the box Turn over U 0 1 . 2 Drinking water can be produced from sea water. Which process is used to produce drinking water from sea water? [1 mark] Tick () one box. Desalination Digestion Screening 0 1 . 3 Why is producing drinking water from sea water expensive? [1 mark] Tick () one box. The process requires energy. The sea water must be filtered. The sea water temperature is too high. Question 1 continues on the next page 4 (04) G/Jun23/8465/1F Do not write outside the box 0 1 . 4 Which two processes are used to kill bacteria during the production of drinking water? [2 marks] Tick () two boxes. Adding chlorine Exposure to ultraviolet light Freezing Grit removal Sedimentation 0 1 . 5 Why is it important to kill bacteria in water during the production of drinking water? [1 mark] __________________________________________________________________________________ __________________________________________________________________________________ ____ 8 5 (05) G/Jun23/8465/1F Do not write outside the box Turn over U 0 2 This question is about plants. 0 2 . 1 Meristem is a specialised tissue found at the tips of shoots and roots. What is the function of meristem tissue? [1 mark] Tick () one box. Cell division Fertilisation Transpiration Question 2 continues on the next page 6 (06) G/Jun23/8465/1F Do not write outside the box 0 2 . 2 Xylem tissue and phloem tissue are found in plants. Cells in phloem tissue contain sugars. Table 1 shows some features of xylem tissue and phloem tissue. Complete Table 1. Put one tick () in each row to show if the feature is true for: l xylem only l phloem only l both xylem and phloem. [4 marks] Table 1 Feature of tissue Xylem only Phloem only Both xylem AND phloem Involved in transport of substances in the plant Transports water and mineral ions from roots to leaves Consists of hollow tubes of dead cells End walls of the cells have pores 7 (07) G/Jun23/8465/1F Do not write outside the box Turn over U 0 2 . 3 Stomata are tiny holes in the surface of leaves. Guard cells surround the stomata. Figure 2 shows the shape of guard cells around stomata at different times of the day. Figure 2 Stomata Guard cells Guard cells control water loss from the leaf. Explain what happens to the guard cells to increase water loss from the leaf. Use Figure 2. [2 marks] _____________________________________________