SJI 2017 Bio Prelim P1 QP

1 Name: ______________________________ Class: ________ Index No. : _____ ST JOSEPH’S INSTITUTION PRELIMINARY EXAMINATION 2017 SECONDARY 4 (O LEVEL PROGRAMME) BIOLOGY Paper 1 Multiple Choice Candidates answer on Multiple Choice Answer Sheet (OTAS). 5158/01 24 August 2017 1 hour (1030 hr – 1130 hr) READ THESE INSTRUCTIONS FIRST Write in soft pencil. Do not use staples, paper clips, highlighters, glue or correction fluid. Write your name, class and index number on the Answer Sheet (OTAS) in the spaces provided. There are forty questions in 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 (OTAS). This document consists of 17 printed pages including this cover page. [Turn over]

2 1 The diagram shows a drawing of a typical plant cell. Which organelle, seen only under the electron microscope, is correctly matched to its function? Structure Function A I Chemically modifies and transports substances out of cell B II Contains pigments that carry out photosynthesis C III Site of aerobic respiration and releases energy for cell D IV Controls the movement of substances in and out of cell 2 Which of the following correctly compares between a red blood cell and a xylem cell? A Both are unable to carry out cell division B Cell membrane is absent in both cells C Cellulose cell wall is absent in both cells D Both are involved in active transport III II I IV

3 3 Four potato strips were each placed in a petri dish of either 5 % sucrose solution or distilled water for 20 minutes. Which of petri dishes would show the result of the appearance of cells shown below? 4 The following is a list of laboratory steps. (I) Add copper(II) sulfate drop by drop (II) Shake well to mix (III) Place in a boiling water-bath (IV) Add Benedict’s solution (V) Add sodium hydroxide solution Arrange the steps in the order which they need to be carried out to show the presence of a protein. A IV I II III B IV V II - C V I II III D V II I -

4 5 Which of the following biological activities produces the graph shown below when affected by temperature? A Removal of salt through the sweat duct of skin during sweating. B Absorption of glucose in duodenum down concentration gradient. C Ultrafiltration at glomeruli to remove urea in kidneys. D Formation of carbon dioxide with bicarbonate ions and water in blood cells. For questions 6, 7 and 8, refer to the following diagram of a section of the wall of the duodenum. 6 An extract was taken from point X. Which of the following is correct? A