TMJC 2023 H2 P1 QP

CANDIDATE NAME ( ) CIVICS GROUP H2 BIOLOGY 9744/01 Paper 1 Multiple Choice Questions 22 September 2023 1 hour Additional material: Multiple Choice Answer Sheet READ THESE INSTRUCTIONS FIRST Do not open this booklet until you are told to do so. Write your name, civics group and index number on the Multiple Choice Answer Sheet. Do not use staples, paper clips, glue or correction fluid/tape. There are 30 questions in this paper. Answer all questions. For each question, there are four possible answers labelled A, B, C and D. Choose the one you consider correct and record your choice in soft pencil on the separate Multiple Choice Answer Sheet. 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. You may keep this booklet after the exam. ________________________________________________________________________________ This document consists of 16 printed pages. TAMPINES MERIDIAN JUNIOR COLLEGE JC2 PRELIMINARY EXAMINATION

2 Tampines Meridian Junior College 2023 JC2 Preliminary Examination H2 Biology 1 The photomicrograph is of a plant cell. The cell is 25 µm in width from X to Y. What is the magnification of the photomicrograph? A 2 x 101 B 2 x 102 C 2 x 103 D 2 x 104

3 Tampines Meridian Junior College 2023 JC2 Preliminary Examination H2 Biology 2 The diagrams below show the electron micrographs of two organelles P and Q. Which of the following shows the correct identities and functions of P and Q? Identity of P Function of P Identity of Q Function of Q A Nucleosome Transcription of rRNA gene Smooth ER Transport of proteins B Nucleosome Assembly of ribosomal subunits Secretory vesicles Synthesis of lipids C Nucleolus Assembly of ribosomal subunits Smooth ER Synthesis of lipids D Nucleolus Transcription of rRNA gene Secretory vesicles Transport of proteins

4 Tampines Meridian Junior College 2023 JC2 Preliminary Examination H2 Biology 3 Which letter identifies the cell structures where semi-conservative replication of DNA occurs? 4 The chart shows the concentration of some substances outside the cell, in the cytoplasm, in the chloroplast and in the Golgi body of a plant cell. Which statement about the direction of movement of these substances and the process by which they are moving is correct? A ATP is leaving the chloroplast by facilitated diffusion, water is leaving the plant cell by osmosis. B Phosphate and ATP are e