ASRJC 2023 JC2 H2 Biology Prelims Paper 1 (QP _ Ans)

ASRJC BIOLOGY DEPT 9744/2023/J2PRELIMS/P1 [Turn over 2023 JC2 PRELIMINARY EXAMINATION BIOLOGY 9744/01 PAPER 1 20 SEPTEMBER 2023 MULTIPLE CHOICE WEDNESDAY 1 HOUR Additional Materials: Multiple Choice Answer Sheet READ THESE INSTRUCTIONS FIRST Write in soft pencil. Do not use staples, paper clips, highlighters, glue or correction fluid. Write your name, class and identification number on the MCQ Answer Sheet. 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. 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 scientific calculators is expected, where appropriate. This document consists of 19 printed pages and 1 blank page. H2 ANDERSON SERANGOON JUNIOR COLLEGE HIGHER 2

2 ASRJC BIOLOGY DEPT 9744/2023/J2PRELIMS/P1 1 The electron micrograph shows a section of a cell in which several different organelles are found. Which statements correctly describe the labelled regions of the cell? 1 Organelles P, Q and R are present in all cells in a single plant. 2 DNA replication occurs in organelles P, Q and R. 3 Transcription and translation occur in organelles P and Q but not R. 4 Organelles P, Q and R use ATP in reactions that occur within them. A 1 and 2 only B 1 and 3 only C 2, 3 and 4 only D 1, 2, 3 and 4

3 ASRJC BIOLOGY DEPT 9744/2023/J2PRELIMS/P1 [Turn over 2 In the life cycle of a fern, there is an alternation between haploid and diploid stages: • sporophyte stage where the plant is diploid and releases spores • gametophyte stage where the plant is haploid and releases gametes How many principles of the cell theory does the life cycle above show? A 0 B 1 C 2 D 3

4 ASRJC BIOLOGY DEPT 9744/2023/J2PRELIMS/P1 3 The energy for bond formation in polysaccharides is provided by uridine triphosphate (UTP) instead of ATP. The stages in