2024 VS Prelim Bio Paper 2 QP and Ans

BIOLOGY PAPER 2 Friday 23 August 2024 1 hour 45 minutes VICTORIA SCHOOL PRELIMINARY EXAMINATION SECONDARY FOUR READ THESE INSTRUCTIONS FIRST Do not open this booklet until you are told to do so. Write your name, class and register number in the spaces provided at the top of this page. Write in dark blue or black pen. You may use an HB pencil for any diagrams, graphs or rough working. Do not use staples, paper clips, glue or correction fluid. Section A Answer all questions. Write your answers in the spaces provided. Section B Answer one question. Write your answers in the spaces provided. The use of an approved scientific calculator is expected, where appropriate. The number of marks is given in brackets [ ] at the end of each question or part question. Setters: L. Ruiting and Nur’Shifa M. This Question Paper consists of 23 printed pages (including this cover page). [Turn Over Name Class Register Number 6093/02 24/4P/6093/02 For Examiner’s Use Section Marks A / 70 B / 10 Total / 80 VICTORIA SCHOOL VICTORIA SCHOOL VICTORIA SCHOOL VICTORIA SCHOOL VICTORIA SCHOOL VICTORIA SCHOOL VICTORIA SCHOOL VICTORIA SCHO OL VICTORIA SCHOOL VICTORIA SCHOOL VICTORIA SCHOOL VICTORIA SCHOOL VICTORIA SCHOOL VICTORIA SCHOOL VICTORIA SCHOOL VICTORIA SCHOOL VICTORIA SCHOOL VICTORIA SCHO OL VICTORIA SCHOOL VICTORIA SCHOOL VICTORIA SCHOOL VICTORIA SCHOOL VICTORIA SCHOOL VICTORIA SCHOOL VICTORIA SCHOOL V ICTORIA SCHOOL VICTORIA SCHOOL VICTORIA SCHOOL VICTORIA SCHOOL VICTORIA SCHOOL VICTORIA SCHOOL VICTORIA SCHOOL VICTORIA SCHOOL VICTORIA SCHOOL VICTORIA SCHOOL VICTORIA SCHOOL VICTORIA SCHOOL VICTORIA SCHOOL VICTORIA SCHOOL VICTORIA SCHO OL

2 ©Victoria School 24/4P/6093/02 [Turn over Section A Answer all questions. 1 Scientists investigated how the diet of rabbits affected their digestion and absorption of protein. The scientists fed rabbits an identical mass of food but varied the percentage of protein in the food. The scientists measured the mean mass of protein fed to the rabbits that was absorbed, which they then expressed as a percentage value. The results are shown in Fig. 1.1. Fig. 1.1 (a) State and explain one conclusion that can be made about the absorption of the products of protein digestion as the percentage of protein increased in the rabbits’ food. ..………………..……………………..….......…………………….…………..…….…… …..………………....…………………………....…..…..………………….………..…… ……...……………………………………………………....…………………………….. ………….………………………………..………..………..…….…….………………[2] percentage protein in diet mean percentage of ingested protein absorbed 80 60 40 20 0 2.2 2.4 2.6

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