Section I
Question 16 - 2002 HSC
Discuss a statement about prevention as a modern method of disease control.
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 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 - 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 - 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 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 - 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 30 - 2002 HSC
(a) Difference between a haploid and a diploid cell; definition and use of linkage to map chromosomes. (b) Description and justification of the design of a model of DNA. (c) Graph of data; definition of polygenic inheritance; comparison with Mendel's pattern of inheritance. (d) Comparison between selective breeding and gene cloning.
Section II
Question 31 - 2002 HSC
Section II
Question 32 - 2002 HSC
(a) Definition of half-life of an isotope; one use of radioisotopes in biochemistry; evidence that increased understanding of photosynthesis. (b) Investigation, including control of variables, to test observations by a listed 17th and 18th century scientist. (c) Graph of data; prediction based on data; reason for action spectrum of photosynthesis not matching that of chlorophyll. (d) Explanation of the role of research in confirming the relationship between ATP production and photosynthesis.
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 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 26 - 2002 HSC
Describe a first-hand investigation to verify the effects of pH on the colour of hydrangea flowers.
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 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 II
Question 32 - 2002 HSC
(a) Definition of half-life of an isotope; one use of radioisotopes in biochemistry; evidence that increased understanding of photosynthesis. (b) Investigation, including control of variables, to test observations by a listed 17th and 18th century scientist. (c) Graph of data; prediction based on data; reason for action spectrum of photosynthesis not matching that of chlorophyll. (d) Explanation of the role of research in confirming the relationship between ATP production and photosynthesis.
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 30 - 2002 HSC
(a) Difference between a haploid and a diploid cell; definition and use of linkage to map chromosomes. (b) Description and justification of the design of a model of DNA. (c) Graph of data; definition of polygenic inheritance; comparison with Mendel's pattern of inheritance. (d) Comparison between selective breeding and gene cloning.
Section II
Question 31 - 2002 HSC
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 27 - 2002 HSC
Evaluate the contributions made by Pasteur and Koch to our present understanding of the causes and possible prevention of infectious diseases.