Section I
Question 1 - 2001 HSC
Advantage of a desert animal producing very concentrated urine
Section I
Question 2 - 2002 HSC
Homeostatic response produced by a sudden and prolonged decrease in ambient temperature
Section I
Question 2 - 2001 HSC
Role of ADH (vasopressin)
Section I
Question 3 - 2002 HSC
Conclusion drawn from a graph of different species of bacteria and their reproductive rates at different temperatures
Section I
Question 3 - 2001 HSC
Missing element in a flowchart representing homeostasis in an endotherm
Section I
Question 4 - 2010 HSC
Comparison between urine of marine and freshwater fish
Section I
Question 4 - 2001 HSC
Most appropriate investigation to determine the effect of pH on the activity of an enzyme
Section I
Question 5 - 2001 HSC
Explanation of why boiling preserves the sweet taste of corn kernels
Section I
Question 6 - 2010 HSC
Mechanism that triggers a response to return salt concentration of interstitial fluids to a set value
Section I
Question 6 - 2002 HSC
Reason why waste removal is necessary for metabolic activity to continue in cells
Section I
Question 7 - 2002 HSC
Identification of correct information in a table showing concentration of urine for different organisms
Section I
Question 8 - 2010 HSC
Changes in concentrations of glucose, urea and protein as fluid moves through a nephron
Section I
Question 9 - 2010 HSC
Conclusion drawn from graphs showing experimental results
Section I
Question 10 - 2010 HSC
Application of experimental results to the acidity of blood as it circulates in the body
Section I
Question 12 - 2010 HSC
Method of transportation of lipids in mammalian blood
Section I
Question 16-18 - 2001 HSC
16. Validity of survey about genetically modified food. 17. Relationship between a structural feature and the function of an artery. 18. Products extracted from donated blood and reason for development of artificial blood.
Section I
Question 17 - 2002 HSC
(a) Draw an outline diagram of a transverse section of a plant root. (b) Describe a current theory about the movement of materials through phloem tissue in plants.
Section I
Question 19-21 - 2001 HSC
19. Procedure followed in a first-hand investion, including safe work practices. 20. Table showing responses of an ectothermic and an endothermic animal to temperature changes. 21. Contribution of two scientists from a list to the understanding of the chromosomal nature of inheritance.
Section I
Question 21 - 2002 HSC
Describe a first-hand investigation used to estimate the size of red blood cells on a prepared microscope slide.
Section I
Question 23 - 2002 HSC
(a, b) Identify an area in a nephron where filtration and reabsorption occur. (c) Discuss the importance of hormone replacement therapy for people who cannot secrete aldosterone.
Section I
Question 24 - 2010 HSC
Design an experiment testing how opening a window affects the blood oxygen saturation of people in a room.
Section I
Question 25 - 2010 HSC
(a) Justify equipment or resources used in a first-hand investigation of a longitudinal section of xylem tissue. (b) Draw a diagram to represent a longitudinal section of xylem tissue and label one characteristic feature.
Section II
Question 29 - 2010 HSC
(a) Using source material provided, identify responses of plants to temperature change. (b) Evaluate relevance and reliability of each source of information.
