NJC 2023 H2 Biology Prelim P1 QP

©NJC 2023 9744/01/SH2/H2/Biology/Preliminary Examination [Turn over NATIONAL JUNIOR COLLEGE, SINGAPORE Senior High 2 Preliminary Examination Higher 2 CANDIDATE NAME BIOLOGY CLASS 2bi2_____ REGISTRATION NUMBER Biology Paper 1: Multiple Choice Questions Additional Materials: Multiple Choice Answer Sheet 9744/01 15 September 2023 1 hour READ THESE INSTRUCTIONS FIRST Write your name, Biology class and registration number on all the work you hand in. Write in dark blue or black pen on both sides of the paper. You may use a soft pencil for any diagrams, graphs or rough working. Do not use staples, paper clips, highlighters, glue or correction fluid. There are thirty 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. Your five-digit OAS index number is made up of the second and last four digits of your registration number . For example: Registration no. OAS Index no. 2205123 25123 This document consists of 23 printed pages and 1 blank page.

2 ©NJC 2023 9744/01/SH2/H2/Biology/Preliminary Examination 1 Which statement is true? A Centrioles and vesicles can be seen under a light microscope. B Hydrolytic enzymes are mainly found in lysosomes for both animal and plant cells. C Mitochondria share the same 80S ribosome as the prokaryotic cell. D Vesicles from the smooth endoplasmic reticulum carry lipids to the Golgi apparatus for modification. 2 The electron micrograph below shows an organelle. Which of the following statements are true? 1 X is made up of a phospholipid bilayer and it is selectively permeable to substances. 2 X serves to compartmentalise the organelle from the extracellular environment. 3 Y has embedded ATP synthase that synthesises ATP. 4 Y has embedded photosystems that are involved in the absorption of light. 5 Z contains DNA that has histones that help to package DNA present in the organelle. 6 Z contains enzymes that oxidises glucose to pyruvate. A 1, 2 and 3 B 1 and 3 C 2, 4 and 6 D 5 and 6

3 ©NJC 2023 9744/01/SH2/H2/Biology/Preliminary Examination [Turn over 3 The diagram shows two isomers of a hexose labelled I and II. Four possible bonding positions are labelled d, e, f, g and h on one isomer, and s, t, u, v and w on another isomer. isomer I isomer II Which isomer and bonding positions are involved in the formation of glycogen? isomer bonding positions A isomer I d-g and d-h B isomer I e-h and d-h C isome