Christ Church Pure Biology Prelim 2024 Paper 1

CHR 2024 / Biology 6093/01/O/24 [Turn over CHRIST CHURCH SECONDARY SCHOOL 2024 PRELIMINARY EXAMINATION SECONDARY FOUR EXPRESS Biology 6093/01 Paper 1 Multiple Choice 23 August 2024 1 hour Additional Materials: Multiple Choice Answer Sheet READ THESE INSTRUCTIONS FIRST Write in soft pencil. Do not use staples, paper clips, glue or correction fluid. Write your name, Centre number and index number on the Answer Sheet in the spaces provided unless this has been done for you. 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 separate Answer Sheet. Read the instructions on the Answer Sheet very carefully. Each correct answer will score one mark. A mark will not be deducted for a wrong answer. Any rough working should be done in this booklet. The use of an approved scientific calculator is expected, where appropriate. _____________________________________________________________________ This document consists of 18 printed pages. CANDIDATE NAME CLASS CENTRE NUMBER S INDEX NUMBER

2 CHR 2024 / Biology 6093/01/O/24 1 The diagrams show a cell from an onion and a cell from the liver. Which guideline does not point to the same structure on both diagrams? 2 Which diagram would represent a cell seen under a simple light microscope, using daylight as the only light source? A B C D A B C D

3 CHR 2024 / Biology 6093/01/O/24 [Turn over 3 The table shows the mass of four nutrients P, Q, R and S, absorbed by the roots of a plant in the presence and absence of oxygen in one hour. nutrient mass absorbed in the presence of oxygen / g h-1 mass absorbed in the absence of oxygen / g h-1 P 0.7 0.6 Q 2.5 1.2 R 3.6 3.2 S 4.8 0.8 Which of the following conclusion can be made from the data? A Nutrients P and R are mainly absorbed by diffusion. B Nutrients P, Q, R and S are absorbed through both diffusion and active transport. C Nutrients Q, R and S are mainly absorbed by active transport. D Nutrients Q and S are absorbed through active transport only. 4 The results of three food tests on a cereal are shown in the table. test colour result of test Benedict’s pale blue iodine solution blue-black Biuret pale purple Which nutrients are present in the cereal? A reducing sugar and fat B reducing sugar and protein C starch and fat D starch and protein 5 An experiment was car