2016 HCI H1 Biology Prelims P1 Questions

HWA CHONG INSTITUTION JC2 Preliminary Examination Higher 1 CANDIDATE NAME CT GROUP 15S____ CENTRE NUMBER INDEX NUMBER BIOLOGY Paper 1 Multiple Choice Additional Materials: Optical Mark Sheet 8875/01 22 September 2016 1 hour INSTRUCTIONS TO CANDIDATES 1. Write your name, CT group, Centre number and index number in the spaces provided at the top of this cover page. 2. Fill in your particulars on the Optical Mark Sheet. Write your NRIC number and shade accordingly. 3. There are thirty 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 Optical Mark Sheet. 4. At the end of the paper, you are to submit only the Optical Mark Sheet. INFORMATION FOR CANDIDATES 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 23 printed pages and 1 blank page.

2 © Hwa Chong Institution 2016 8875 H1 Biology / JC2 Preliminary Exams / Paper 1 1 The electronmicrograph shows part of an animal cell with structures W to Z labelled. Which statements correctly describe the activities of structures W to Z? 1 Structure X is involved in the synthesis and processing of membrane proteins. 2 Translation occurs in structures W and X. 3 DNA replication occurs only in structure Y. 4 Condensation of chromosomes occur in structure Z.   A 1 B 1 and 2 C 3 and 4 D 1, 2 and 4 W X Z Y

3 © Hwa Chong Institution 2016 8875 H1 Biology / JC2 Preliminary Exams / Paper 1 2 Which row shows the correct match between the descriptions of different types of biological molecules and where they are found? 1 a linear polymer of 1,4 linked -glucose molecules 2 an amphipathic, phosphate containing molecule 3 a highly branched polymer of 1,4 and 1,6 linked -glucose molecules 1 2 3 A eukaryote and prokaryote cell walls cell surface membranes of both eukaryotes and prokaryotes forming storage granules in the cells of prokaryotes B eukaryote cell walls cell surface membranes of both eukaryotes and prokaryotes forming storage granules in the cells of some eukaryotes C eukaryote cell walls cell surface membranes of both eukaryotes and prokaryotes forming starch grains in the cells of all eukaryotes D forming storage granules in the cells of eukaryotes prokaryote cell walls eukaryote cell walls 3 The diagrams show different types of bond found in biological