Section I
Question 16 - 2002 HSC
Discuss a statement about prevention as a modern method of disease control.
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 18 - 2002 HSC
Describe improvements to the design of an investigation into the relationship between smoking and lung cancer.
Section I
Question 19 - 2002 HSC
Explain how a process of water treatment reduces the risk of infection from pathogens in drinking water extracted from a lake.
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 20 - 2002 HSC
Outline how mitosis and cell differentiation assist in the maintenance of health.
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 22 - 2010 HSC
(a) Draw a graph to represent data recorded in a table. (b) Explain the impact of human processes on biodiversity.
Section I
Question 22 - 2002 HSC
Construct a table that lists the possible genotypes and the expected frequency of each genotype that could be produced when three pairs of chromosomes divide by random segregation.
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 24 - 2002 HSC
Assess the potential impact on genetic diversity of using disease-free tissue from existing plants to clone banana plants.
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 I
Question 25 - 2002 HSC
(a) Define the concept of punctuated equilibrium in evolution. (b) Explain how punctuated equilibrium differs from the process proposed by Darwin.
Section I
Question 25-28 - 2001 HSC
25. Possible future effects of the widespread use of antibiotics on the spread of disease. 26. Reason for taking immune suppressing drugs following an organ transplant and consequence for patients. 27. Assessment of a statement's validity using graphical data. 28. Impact of scientific understanding and technology on developments in reproductive technologies.
Section I
Question 26 - 2002 HSC
Describe a first-hand investigation to verify the effects of pH on the colour of hydrangea flowers.
Section I
Question 27 - 2002 HSC
Evaluate the contributions made by Pasteur and Koch to our present understanding of the causes and possible prevention of infectious diseases.
Section II
Question 28 - 2010 HSC
(a) Assess the effectiveness of a given model to explain the cause of organ transplant rejection. (b) Outline the role of two types of T lymphocytes in organ rejection.
Section II
Question 28 - 2002 HSC
(a) Organ of Corti; wavelength, frequency and pitch of a sound; structures used by animals to produce sound. (b) Features of the cerebrum, cerebellum and medulla oblongta; regions of the brain involved in speech. (c) Graph of data and statement of relationship between variables; human eye's ability to focus on objects at different distances. (d) Structures and processes in the retina that transform light into electrochemical signals.
Section II
Question 29 - 2001 HSC
(a) Location and function of structures in the eye. (b) Collection and assessment of information on structures used by animals to produce sound. (c) Describe use of technology to overcome effects of cataracts. (d) Justify the procedure and conclusions of an investigation into the process of accommodation. (e) Evaluate the appropriateness of devices that assist people with hearing impairment.
Section II
Question 30 - 2010 HSC
Using information provided and other relevant knowledge, demonstrate how the practice of biology led to the validation of current theories of evolution.
Section II
Question 31 - 2010 HSC
(a) Contruct a table identifying structures used by insects, fish and mammals to detect vibrations. (b) Draw diagrams illustrating vocal folds for high and low pitched notes. (c) Explain the effect of location in the retina on the stucture of cones. Outline the role of rhodopsin in rods. (d) Explain causes for lack of action potentials in part of a mammal's brain. Outline how this condition could change behaviour. (e) Evaluate how understanding of the ear and eye has led to development of 3D images and surround sound systems.
Section II
Question 32 - 2001 HSC
(a) Mammalian characteristics. Skeletal differences between Homo sapiens and Australopithecus afarensis. (b) Explain how to gather radiometric data to date fossilised material and assess the information for relevance and reliability. (c) Analyse the evolutionary significance of polymorphism in humans. (d) Outline and justify the conclusions of an analysis of similarities and differences between groups of primates. (e) Justify predictions of factors affecting future human evolution.
Section II
Question 33 - 2010 HSC
(a) Construct a table identifying effects of mutations. (b) Draw diagrams to show similarities and differences between chromosomes in the diploid cell and a haploid cell resulting from meiosis. (c) Predict ratios of phenotypes from a pedigree for linked and non-linked genes. (d) Explain how data can be collected to identify relative position of linked genes. Reasons why human genome project could not be achieved using linkage maps. (e) Evaluate how understanding of gene cloning and gene cascades has led to new applications for technologies.
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 22 - 2002 HSC
Construct a table that lists the possible genotypes and the expected frequency of each genotype that could be produced when three pairs of chromosomes divide by random segregation.
Section I
Question 22-24 - 2001 HSC
22a. Effect of cloning on the genetic diversity of a species. 22b. Evolutionary effects of a disease entering an endangered population with some cloned individuals. 23. Explanation of historical practices to increase immunity against smallpox. 24. Relationship between a cause and a symptom of a non-infectious disease.
Section I
Question 23 - 2010 HSC
(a) Explain using an example why hybridisation within a species is carried out. (b) Use an example of a named transgenic species to discuss the social and environmental impact of hybridisation.
Section I
Question 24 - 2002 HSC
Assess the potential impact on genetic diversity of using disease-free tissue from existing plants to clone banana plants.
Section I
Question 25 - 2002 HSC
(a) Define the concept of punctuated equilibrium in evolution. (b) Explain how punctuated equilibrium differs from the process proposed by Darwin.
Section I
Question 25-28 - 2001 HSC
25. Possible future effects of the widespread use of antibiotics on the spread of disease. 26. Reason for taking immune suppressing drugs following an organ transplant and consequence for patients. 27. Assessment of a statement's validity using graphical data. 28. Impact of scientific understanding and technology on developments in reproductive technologies.
Section I
Question 26 - 2002 HSC
Describe a first-hand investigation to verify the effects of pH on the colour of hydrangea flowers.
Section II
Question 30 - 2010 HSC
Using information provided and other relevant knowledge, demonstrate how the practice of biology led to the validation of current theories of evolution.
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 28 - 2002 HSC
(a) Organ of Corti; wavelength, frequency and pitch of a sound; structures used by animals to produce sound. (b) Features of the cerebrum, cerebellum and medulla oblongta; regions of the brain involved in speech. (c) Graph of data and statement of relationship between variables; human eye's ability to focus on objects at different distances. (d) Structures and processes in the retina that transform light into electrochemical signals.
Section II
Question 29 - 2001 HSC
(a) Location and function of structures in the eye. (b) Collection and assessment of information on structures used by animals to produce sound. (c) Describe use of technology to overcome effects of cataracts. (d) Justify the procedure and conclusions of an investigation into the process of accommodation. (e) Evaluate the appropriateness of devices that assist people with hearing impairment.
Section II
Question 31 - 2010 HSC
(a) Contruct a table identifying structures used by insects, fish and mammals to detect vibrations. (b) Draw diagrams illustrating vocal folds for high and low pitched notes. (c) Explain the effect of location in the retina on the stucture of cones. Outline the role of rhodopsin in rods. (d) Explain causes for lack of action potentials in part of a mammal's brain. Outline how this condition could change behaviour. (e) Evaluate how understanding of the ear and eye has led to development of 3D images and surround sound systems.
Section II
Question 33 - 2010 HSC
(a) Construct a table identifying effects of mutations. (b) Draw diagrams to show similarities and differences between chromosomes in the diploid cell and a haploid cell resulting from meiosis. (c) Predict ratios of phenotypes from a pedigree for linked and non-linked genes. (d) Explain how data can be collected to identify relative position of linked genes. Reasons why human genome project could not be achieved using linkage maps. (e) Evaluate how understanding of gene cloning and gene cascades has led to new applications for technologies.
Section II
Question 32 - 2001 HSC
(a) Mammalian characteristics. Skeletal differences between Homo sapiens and Australopithecus afarensis. (b) Explain how to gather radiometric data to date fossilised material and assess the information for relevance and reliability. (c) Analyse the evolutionary significance of polymorphism in humans. (d) Outline and justify the conclusions of an analysis of similarities and differences between groups of primates. (e) Justify predictions of factors affecting future human evolution.
Section I
Question 16 - 2002 HSC
Discuss a statement about prevention as a modern method of disease control.
Section I
Question 18 - 2002 HSC
Describe improvements to the design of an investigation into the relationship between smoking and lung cancer.
Section I
Question 19 - 2002 HSC
Explain how a process of water treatment reduces the risk of infection from pathogens in drinking water extracted from a lake.
Section I
Question 20 - 2002 HSC
Outline how mitosis and cell differentiation assist in the maintenance of health.
Section I
Question 22 - 2010 HSC
(a) Draw a graph to represent data recorded in a table. (b) Explain the impact of human processes on biodiversity.
Section I
Question 22-24 - 2001 HSC
22a. Effect of cloning on the genetic diversity of a species. 22b. Evolutionary effects of a disease entering an endangered population with some cloned individuals. 23. Explanation of historical practices to increase immunity against smallpox. 24. Relationship between a cause and a symptom of a non-infectious disease.
Section I
Question 25-28 - 2001 HSC
25. Possible future effects of the widespread use of antibiotics on the spread of disease. 26. Reason for taking immune suppressing drugs following an organ transplant and consequence for patients. 27. Assessment of a statement's validity using graphical data. 28. Impact of scientific understanding and technology on developments in reproductive technologies.
Section I
Question 27 - 2010 HSC
(a) Outline examples of effective quarantine regulations. (b) Explain why this method is effective for one example.
Section I
Question 27 - 2002 HSC
Evaluate the contributions made by Pasteur and Koch to our present understanding of the causes and possible prevention of infectious diseases.
Section II
Question 28 - 2010 HSC
(a) Assess the effectiveness of a given model to explain the cause of organ transplant rejection. (b) Outline the role of two types of T lymphocytes in organ rejection.
