VJC 2023 H2 9744 P1 QP _ Ans

1 CANDIDATE NAME CT GROUP VICTORIA JUNIOR COLLEGE PRELIMINARY EXAMINATION HIGHER 2 Answers – last page ……………………………………………….………….. …………………………….. BIOLOGY 9744/01 Paper 1 Additional Materials: Multiple Choice Answer Sheet 25 September 2023 1 hour READ THESE INSTRUCTIONS FIRST Write in soft pencil. Do not use staples, paper clips, glue or correction fluid. Write your name and class on the Answer Sheet in the spaces provided. WRITE and SHADE your EXAM NUMBER on the Answer Sheet in the spaces provided. 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. This document consists of 20 printed pages

2 1 The electron micrograph shows two organelles (not to the same scale) present in a plant cell. Organelle P Organelle Q Which of the following options is false of the organelles P and Q? A Only organelle P contains enzymes. B Vesicles can be pinched off from both organelles. C Both organelles can fuse with vesicles coming from another organelle in the cell. D Organelle P is involved in synthesis of phospholipids while Q is involved in synthesis of glycoprotein. 2 How many rows in the table show correctly the chemical processes that occur in the organelles found in an animal cell? Nucleus Mitochondrion Rough ER polymerisation phosphorylation glycosylation replication reduction polymerisation translation transcription phosphorylation transcription oxidation translation A 1 B 2 C 3 D 4

3 3 The chart shows the concentration of some substances outside the cell surface membrane, in the cytoplasm, in two organelles 1 and 2 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 Phosphate and ATP are entering the organelles 1 and 2 by active transport. B ATP is leaving organelle 1 by facilitated diffusion, water is leaving the plant cell by osmosis. C Phosphate and ATP are leaving organelle 2 by facilitated diffusion, water is leaving the plant cell by osmosis. D Phosphate is entering the organelle 1 by facilitated diffusion, water is entering organelle 1 by osmosis 4 Which row matches correctly each molecule to a type of bond that is present? ester bond hydrogen bond disulfide bond A amylase Haemoglobin catalase B glycerol glycogen collagen C lipid amylose haemoglobin D Phospholipid cellulose antibody

4