TMJC 2023 H2 P2 QP

1 Tampines Meridian Junior College 2023 JC2 Preliminary Examination H2 Biology CANDIDATE NAME CIVICS GROUP H2 BIOLOGY 9744/02 Paper 2 Structured Questions 14 September 2023 2 hours Candidates answer on the Question Paper. No additional materials are required. READ THESE INSTRUCTIONS FIRST Write your name and Civics Group in the spaces at the top of the page. Write in dark blue or black pen. You may use an HB pencil for any diagrams or graphs. Do not use staples, paper clips, glue or correction fluid. Answer all questions in the spaces provided on the Question Paper. The use of an approved scientific calculator is expected, where appropriate. You may lose marks if you do not show your working or if you do not use appropriate units. The number of marks is given in brackets [ ] at the end of each question or part question. ______________________________________________________________________________________ This document consists of 26 printed pages and 2 blank pages. For examiner’s Use 1 / 11 2 / 11 3 / 11 4 / 12 5 / 15 6 / 9 7 / 12 8 / 10 9 / 9 Total / 100 TAMPINES MERIDIAN JUNIOR COLLEGE JC2 PRELIMINARY EXAMINATION

2 Tampines Meridian Junior College 2023 JC2 Preliminary Examination H2 Biology 1 The table below compares the features of typical eukaryotic and prokaryotic cells. (a) Complete the table below by placing either a tick (), a cross () or the words ‘sometimes present’ as appropriate in each empty box. [3] Features Eukaryotic cell Prokaryotic cell nuclear envelope  cell wall sometimes present  chloroplast sometimes present ribosomes   Golgi apparatus   flagellum sometimes present carries out respiration   Active transport and facilitated diffusion are two ways by which substances cross the cell surface membranes. (b) State one similarity and one difference between active transport and facilitated diffusion. [2] similarity…………………………………………………………………………………………….... ……………………………………………………………………………………………................. difference…………………………………………………………………………………………… .. ……………………………………………………………………………………………................. (c) Vitamins C and D are essential illness -fighting nutrients, which safeguard our health and boost immunity. They are therefore, taken into cells but take different routes across the cell surface membrane. Vitamin C is water-soluble while Vitamin D is lipid soluble. Explain how Vitamin C and D is transported across the cell surface membrane. [3] Vitamin C ……………………………………………………………………………………………………….. ……………………………………………………………………………………………................. ………………………………………………………………………