VCE Biology Past Exam Questions
Browse VCE Biology exam questions from 2015–2025, including NHT and VCE papers. Filter by topic, year and paper; open the original source.
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Section B, Question 4
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Question 4 (11 marks) Photosynthesis is an important biochemical pathway in plants and some single-cell organisms that produce glucose as an energy source.
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a. The student placed an equal number of seedlings into four groups, which were all given the same amount of both water and fertiliser. The plants in the first group were exposed t
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Report-based difficulty · MediumAverage marks: 46.7% of available · official reportFull marks: 17% of students · official report
a. Explain why photosynthesis is considered to be a biochemical pathway. Use the following information to answer parts b and c. Photosynthesis requires the fixation of carbon dioxi
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Report-based difficulty · MediumAverage marks: 50% of available · official reportFull marks: 16% of students · official report
b. Astudent stated that C4 plants growing next to C3 plants had an advantage. Use the data from the graph to support this statement. Justify your response. 3 marks
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b. It is hoped that one day scientists will be able to insert a gene to enhance the growth of seedlings exposed to light of any colour. What might this gene code for, and how could
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Report-based difficulty · DifficultAverage marks: 35% of available · official reportFull marks: 13% of students · official report
c. Referring to the graph, explain why the rate of CO, fixation in the C3 plants changes as light intensity changes and then plateaus (levels off) above a light intensity of 1700 l
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c. The student set up another experiment. This time they used seedlings from C3, C4 and CAM plants. These seedlings were all exposed to white light, but the concentration of carbon
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Report-based difficulty · MediumAverage marks: 60% of available · official reportFull marks: 39% of students · official report
d. Explain how C4 plants are better adapted to reducing photorespiration compared to C3 plants. 3 marks e s a £ 2 H 3 = o [=] Section B
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Question 5 (9 marks) Barley (Hordeum vulgare) is an important cereal crop that provides food for people and animals. Scientists from Western Australia have successfully used CRISPR
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Question 5 (7 marks) Multiple sclerosis (MS) is a disease in which the immune system damages nerve cells in the brain and spinal cord. Alemtuzumab is a monoclonal antibody that has
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a. i. Referring to the graphs, complete the table for the amounts of chlorophyll and nitrogen in the control and transformed barley plants. 1 mark Total chlorophyll Total nitrogen
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a. Describe how complement proteins could destroy B cells. 3 marks
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