CJC Prelim H1 Bio P1 Ans

8876 / 01 / Prelim Examination / 2023 NAME: _________________________________________ CLASS: _________ INDEX: ___________ CATHOLIC JUNIOR COLLEGE JC2 PRELIMINARY EXAMINATIONS Higher 1 BIOLOGY 8876/01 18 September 2023 1 hour Additional Materials: Answer Sheet (Multiple Choice Optical Mark Sheet) READ THESE INSTRUCTIONS FIRST Write in soft pencil. Do not use staples, paper clips, glue or correction fluid. Write your name (as per NRIC), class, and index number on this booklet. Write and shade your name (as per NRIC) , NRIC / FIN number and class on the Answer Sheet (Multiple Choice Optical Mark Sheet) in the spaces provided. There are 30 multiple choice 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 shade your choice in soft pencil on the Answer Sheet (Multiple Choice Optical Mark 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. This document consists of 28 printed pages and 0 blank page. [Turn over SUGGETED ANSWERS

2 8876 / 01 / Prelim Examination / 2023 Answer all questions. 1 The diagram shows two electron micrographs of cells. F G Which organelles are visible in each of the cells F and G? Key: ✓ = visible  = not visible ANS: B cell chloroplasts nucleolus nucleus A F G  ✓ ✓ ✓  ✓ B F G  ✓ ✓  ✓ ✓ C F G ✓ ✓ ✓   ✓ D F G  ✓  ✓ ✓ ✓

3 8876 / 01 / Prelim Examination / 2023 2 Different chemical processes occur in different organelles in a plant cell. chloroplast mitochondrion ribosome phosphorylation oxidation translation polymerization transcription replication transcription reduction polymerization translation phosphorylation transcription How many rows in the table correctly show processes that occur in these three organelles? A 1 B 2 C 3 D 4 ANS: B 3 Three types of glycosidic bonds that occur between the carbon atoms of monosaccharides to form different polysaccharides are listed. 1, 2 (carbon 1 to carbon 2) 1, 4 (carbon 1 to carbon 4) 1, 6 (carbon 1 to carbon 6) Which row identifies the glycosidic bonds found in each of the molecules shown? amylose amylopectin cellulose glycogen A 1,4 1,2 and 1,6 1,6 1,4 and 1,6 B 1,4 1,4 and 1,6 1,4 1,4 and 1,6 C 1,4 and 1,6 1,4 and 1,6 1,4 1,2 and 1,6 D 1,6 1,4 1,6 1,2 and 1,6 ANS: B

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