Secondary 4E Science Biology 2024

2024 SECONDARY 4 G3 Express Exam Paper G3 Science Biology (Paper 1 & 4) 1 Assumption Eng Prelim 2 Beatty Sec Prelim 3 Geylang Meth Prelim 4 Serangoon Sec Prelim 5 Yio Chu Kang Prelim 6 Yishun Sec Prelim pe www.KiasuExamPaper.com 1

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Name: ............................................................. ( ) Class: ................. This Question Paper consists of 10 printed pages including this page. [Turn over ASSUMPTION ENGLISH SCHOOL PRELIMINARY EXAMINATION 2024 SCI ENCE (BIOLOGY) 5088 / 01 ASSUMPTION ENGLISH SCHOOL ASSUMPTION ENGLISH SCHOOL ASSUMPTION ENGLISH SCHOOL ASSUMPTION ENGLISH SCHOOL ASSUMPTION ENGLISH SCHOOL ASSUMPTION ENGLISH SCHOOL ASSUMPTION ENGLISH SCHOOL ASSUMPTION ENGLISH SCHOOL ASSUMPTION ENGLISH SCHOOL ASSUMPTION ENGLISH SCHOOL ASSUMPTION ENGLISH SCHOOL ASSUMPTION ENGLISH SCHOOL ASSUMPTION ENGLISH SCHOOL ASSUMPTION ENGLISH SCHOOL ASSUMPTION ENGLISH SCHOOL ASSUMPTION ENGLISH SCHOOL ASSUMPTION ENGLISH SCHOOL ASSUMPTION ENGLISH SCHOOL ASSUMPTION ENGLISH SCHOOL ASSUMPTION ENGLISH SCHOOL LEVEL: Sec 4 Express DATE: 28 August 2024 CLASSES: Sec 4/2 & 4/3 DURATION: 1 hour (for both Science components) Additional Materials provided: 1 sheet of OAS paper INSTRUCTIONS TO CANDIDATES Do not open this booklet until you are told to do so. Wri te your NAME, INDEX NUMBER and CLASS at the top of this page and on the OAS paper. This paper consists of 1 section. There ar e 20 questions in this section. Answer all questions. For each question, there are four possible answers A, B, C and D. Choose the correct answer and record your choice in soft or 2B pencil on the OAS paper provided. DO NOT fold or bend the OAS paper. At the end of the examination, hand in your OAS paper and question booklet separately. www.KiasuExamPaper.com 3

2 5088/01/4E/PRELIMS/24 MULTIPLE-CHOICE QUESTIONS [20 marks] For each question, there are four possible answers A, B, C and D. Choose the one you consider correct and record your choice in the OAS paper provided. 1 The diagram shows an organism called Euglena. Euglena is a single -celled organism that can photosynthesise. Which label points to the structure that enables it to photosynthesise? 2 The diagram shows an experiment. Why has the starch suspension changed colour? A Iodine has diffused in through the membrane. B Iodine has diffused out through the membrane. C Starch has diffused in through the membrane. D Starch has diffused out through the membrane. A B C D start of experiment end of experiment 6 hours starch suspension (white) Visking tubing beaker iodine solution starch suspension (blue-black) www.KiasuExamPaper.com 4

3 5088/01/4E/PRELIMS/24 [Turn Over 3 Which substance is the basic unit that forms glycogen? A amino acids B fatty acids C glucose D glycerol 4 Which of the following is/are functions of proteins? 1 provide thermal insulation 2 repair of tissu