Title Feb-Mar_2025_9700_12_QP - Crack A Level.pdf ✅

This document has 16 pages. IB25 03_9700_12/5RP © UCLES 2025 [Turn over *0360361920 * Cambridge International AS & A Level BIOLOGY 9700/12 Paper 1 Multiple Choice February/March 2025 1 hour 15 minutes You must answer on the multiple choice answer sheet. You will need: Multiple choice answer sheet Soft clean eraser Soft pencil (type B or HB is recommended) INSTRUCTIONS  There are forty questions on this paper. Answer all questions.  For each question there are four possible answers A, B, C and D. Choose the one you consider correct and record your choice in soft pencil on the multiple choice answer sheet.  Follow the instructions on the multiple choice answer sheet.  Write in soft pencil.  Write your name, centre number and candidate number on the multiple choice answer sheet in the spaces provided unless this has been done for you.  Do not use correction fluid.  Do not write on any bar codes.  You may use a calculator. INFORMATION  The total mark for this paper is 40.  Each correct answer will score one mark.  Any rough working should be done on this question paper.

3 © UCLES 2025 9700/12/F/M/25 [Turn over 5 X-ray analysis of fossilised cells found in rocks in central India dating back 1.6 billion years has revealed several features. 1 The cells are up to 145 m long. 2 The cells are joined end to end to form filaments. 3 The cells contain some internal cell structures. 4 The cells are surrounded by a cell wall. Which two features, when taken together, provide most support for the conclusion that the cells are plant cells? A 1 and 3 B 1 and 4 C 2 and 3 D 2 and 4 6 The electron micrograph shows an organelle found in some cells of many multicellular organisms. Which row shows structures that are expected to be present in cells that contain this organelle? cell wall centrioles plasmodesmata A key B = expected to be present C = not expected to be present D 7 What could take place during a hydrolysis reaction? 1 A glycosidic bond is broken. 2 A molecule of water is produced. 3 A sucrose molecule is split into fructose and glucose. A 1, 2 and 3 B 1 and 2 only C 1 and 3 only D 2 and 3 only