2016 VJC H2 Biology Prelims Paper 1 Questions

1 VICTORIA JUNIOR COLLEGE BIOLOGY DEPARTMENT JC2 PRELIMINARY EXAMINATIONS 2016 Higher 2 VICTORIA JUNIOR COLLEGE VICTORIA JUNIOR COLLEGE VICTORIA JUNIOR COLLEGE VICTORIA JUNIOR COLLEGE VICTORIA JUNIOR COLLEGE VICTORIA JUNIOR COLLEGE VICTORIA JUNIOR COLLEGE VICTORIA JUNIOR COLLEGE VICTORIA JUNIOR COLLEGE VICTORIA JUNIOR COLLEGE VICTORIA JUNIOR COLLEGE VICTORIA JUNIOR COLLEGE VICTORIA JUNIOR COLLEGE VICTORIA JUNIOR COLLEGE VICTORIA JUNIOR COLLEGE VICTORIA JUNIOR COLLEGE VICTORIA JUNIOR COLLEGE VICTORIA JUNIOR COLLEGE VICTORIA JUNIOR COLLEGE VICTORIA JUNIOR COLLEGE CANDIDATE NAME CLASS BIOLOGY 9648/01 Paper 1 Multiple Choice 22 September 2016 1 hour 15 minutes Additional Materials: Multiple Choice Answer Booklet READ THESE INSTRUCTIONS FIRST Write in a soft pencil. Do not use any staples, paper clips, highlighters, glue or correction fluid. Write your name, Centre number and candidate number on the Answer Sheet in the spaces provided. There are forty 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 deduced for a wrong answer. Any rough working should be done in this booklet This paper consists of 25 printed pages.

2 1. The electron micrographs of several structures of a liver cell are shown below. 1 2 3 4 Radioactive amino acids were introduced into the cell to trace the path taken in the formation of hydrolytic enzymes. Which of the following options correctly show the time taken, in minutes, for radioactivity to be detected in the structures 1 – 4. Time taken, in minutes, for radioactivity to be detected in structure 1 2 3 4 A 3 10 20 30 B 30 20 3 - C 10 20 30 3 D 20 10 3 30

3 2. The electron micrograph below shows two organelles Y and Z in a leaf mesophyll cell of a plant. Which of the following statements are not true about organelles Y and Z? 1 Organelle Z utilises transporters to export ATP to organelle Y to drive cellular activities. 2 Oxygen released by organelle Z is used in organelle Y during glycolysis. 3 Transcription and translation occurs in both organelles. 4 Organelle Y has electron transport chain proteins but organelle Z does not. A 1 and 2 only B 3 and 4 only C 1, 2 and 4 D All of the above Organelle Y Organelle Z

4 3. Which of the following correctly shows an α 1,6 glycosidic bond found in amylopectin? A B C D 4. The diagram below shows the structure of a protein found in the hair, claws and horns of many animals. Which of the follow