Senior Science Syllabus

2011 PRELIMINARY EXAMINATION PAPER Senior Science

General Instructions * Reading Time – 5 minutes * Working Time – 2 hours * Write using black or blue pen * Draw diagrams using pencil * Board-approved calculators may be used * Write your Student Number at the bottom of this page | Total Marks - 75 Section I Pages 2–1675 marksThis section has two parts, Part A and Part BPart A – 20 marks * Attempt Questions 1–20 * Allow about 30 minutes for this sectionPart B – 55 marks * Attempt Questions 21–30 * Allow about 1 hour and 30 minutes for this section |

THIS PAPER CANNOT BE RELEASED IN PUBLIC UNTIL AFTER 21st SEPTEMBER 2011
This paper is used with the understanding that it has a Security Period.

Student Number: __________________________________

Section I
75 marks

Part A – 20 marks
Attempt Questions 1–20
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Allow about 30 minutes for this part
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Use the multiple-choice answer sheet for Questions 1-20

1 | What is an area that naturally drains precipitation into a main river system called? | | (A) | A dam | | (B) | A catchment area | | (C) | A groundwater basin | | (D) | Artesian water | | | | 2 | Which of the following is one of the main causes of the increased salinity (dryland salinity) in the Australian landscape? | | (A) | The planting of trees and increased rainfall | | (B) | Native eucalypt dry sclerophyll forests | | (C) | Land clearing and a dropping water table | | (D) | Land clearing and a rising water table | | | | 3 | Over generations, animals have evolved adaptations to survive in a changing environment. Which of the following is a behavioural adaptation for reducing water loss in animals? | | (A) | Excreting ammonia instead