JUNE - INSERT STUDENT I.D. NUMBER (PEN) S T I C K E R I N T...

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INSERT STUDENT I.D. NUMBER (PEN) STICKER IN THIS SPACE JUNE 1999 PROVINCIAL EXAMINATION MINISTRY OF EDUCATION BIOLOGY 12 GENERAL INSTRUCTIONS 1. Insert the stickers with your Student I.D. Number (PEN) in the allotted spaces above and on the back cover of this booklet. Under no circumstance is your name or identification, other than your Student I.D. Number, to appear on this booklet. 2. Ensure that in addition to this examination booklet, you have an Examination Response Form . Follow the directions on the front of the Response Form. 3. Disqualification from the examination will result if you bring books, paper, notes or unauthorized electronic devices into the examination room. 4. All multiple-choice answers must be entered on the Response Form using an HB pencil . Multiple-choice answers entered in this examination booklet will not be marked. 5. For each of the written-response questions, write your answer in ink in the space provided in this booklet. 6. When instructed to open this booklet, check the numbering of the pages to ensure that they are numbered in sequence from page one to the last page, which is identified by END OF EXAMINATION . 7. At the end of the examination, place your Response Form inside the front cover of this booklet and return the booklet and your Response Form to the supervisor. ©1999 Ministry of Education
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BIOLOGY 12 PROVINCIAL EXAMINATION Value Suggested Time 1. This examination consists of two parts: PART A: 50 multiple-choice questions 50 45 PART B: 11 written-response questions 50 75 Total: 100 marks 120 minutes 2. Electronic devices, including dictionaries and pagers, are not permitted in the examination room. 3. The time allotted for this examination is two hours .
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OVER - 1 - PART A: MULTIPLE CHOICE Value: 50 marks Suggested Time: 45 minutes INSTRUCTIONS : For each question, select the best answer and record your choice on the Response Form provided. Using an HB pencil, completely fill in the circle that has the letter corresponding to your answer. Use the following diagram to answer question 1. X 1. The structure labelled X is a(n) A. vacuole. B. Golgi body. C. mitochondrion. D. endoplasmic reticulum. ________________________________________________ 2. During the metamorphosis from tadpole to frog, which of the following organelles would cause the cells of the tail of a tadpole to be broken down and digested? A. ribosomes B. lysosomes C. Golgi bodies D. endoplasmic reticulum 3. Two functions of rough endoplasmic reticulum are to A. detoxify and transport drugs. B. modify and activate hormones. C. synthesize and transport enzymes. D. join with and hydrolyze food vacuoles.
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- 2 - 4. In which of the following is the greatest amount of deoxyribonucleic acid (DNA) found? A. nucleus B. ribosome C. nucleolus D. nuclear envelope 5. If the pH of a solution changes from 2 to 5, then the solution has A. become a base.
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JUNE - INSERT STUDENT I.D. NUMBER (PEN) S T I C K E R I N T...

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