Multiple choice runs across all four topics. Read every option before you choose: the wrong ones are built from common slips.
Options
Four, one best answer
Our checks
Two timed 20-question multiple-choice checks
What the questions test
Ideas from all four topics, often in a short scenario.
Calculations: the Lincoln index, Simpson's diversity index, energy efficiency, growth rates and allele frequencies, with the options built from common slips.
Reading data: a table, a graph, a food web, a pedigree, a DNA profile or a cladogram.
Try 2 questions
Question 1
Energy budget of grasshoppers in a grassland plot
Energy flow
Energy (kJ m⁻² year⁻¹)
Net primary productivity of the grass
9 600
Energy in grass eaten by grasshoppers
1 200
Energy in grasshopper faeces
720
Energy used in grasshopper respiration
336
Students estimated the energy flows through grasshoppers in a grassland plot on the Darling Downs (table). What percentage of the grass's net primary productivity becomes new grasshopper biomass?
Question 2
0102030Number of studentsHeight (cm)150 to 154155 to 159160 to 164165 to 169170 to 174175 to 179180 to 184
The histogram shows the heights of 99 Year 12 students at a Townsville school. Which type of inheritance does the shape of this distribution suggest for height?
How many multiple-choice questions are in the exam?
The syllabus does not publish question counts. It says each paper can ask multiple-choice questions alongside other types, so practise them across all four topics.