MCQ Collection

Australia MCQs

Practice Australia questions with answers and explanations.

sa-sace South Australia SACE Sciences AustraliaMedium

Science task 77: A South Australian senior class applies the information to a water, agriculture or urban-design investigation. A device transfers 449 J in 29 s. What is its average power?

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sa-sace South Australia SACE Sciences AustraliaMedium

Science task 78: A South Australian senior class applies the information to a water, agriculture or urban-design investigation. In experiment 18, temperature is varied while growth of bacteria is measured. Why include an untreated control?

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sa-sace South Australia SACE Sciences AustraliaMedium

Science task 68: A South Australian senior class applies the information to a water, agriculture or urban-design investigation. In experiment 8, pH is varied while growth of mice is measured. Why include an untreated control?

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sa-sace South Australia SACE Sciences AustraliaMedium

Science task 69: A South Australian senior class applies the information to a water, agriculture or urban-design investigation. In genetic cross 9, two heterozygotes Aa are crossed under complete dominance. What is the probability of a dominant phenotype?

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sa-sace South Australia SACE Sciences AustraliaHard

Science task 70: A South Australian senior class applies the information to a water, agriculture or urban-design investigation. A tracer starts at 0.12 mol and undergoes 2 half-lives of 7 minutes each. How much remains?

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sa-sace South Australia SACE Sciences AustraliaMedium

Science task 65: A South Australian senior class applies the information to a water, agriculture or urban-design investigation. Cells from the skin of a growing organism undergo mitosis. What is the usual outcome?

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sa-sace South Australia SACE Sciences AustraliaMedium

Science task 66: A South Australian senior class applies the information to a water, agriculture or urban-design investigation. A solution has pH 2. What is its hydrogen-ion concentration?

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sa-sace South Australia SACE Sciences AustraliaMedium

Science task 67: A South Australian senior class applies the information to a water, agriculture or urban-design investigation. A device transfers 419 J in 19 s. What is its average power?

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sa-sace South Australia SACE Mathematics AustraliaMedium

Data task 55: A South Australian senior class applies the information to a water, agriculture or urban-design investigation. A sample contains 10 compliant and 20 non-compliant records. One is chosen at random. What is the probability it is compliant?

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sa-sace South Australia SACE Mathematics AustraliaMedium

Data task 56: A South Australian senior class applies the information to a water, agriculture or urban-design investigation. Solve 2x + 9 = 77.

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sa-sace South Australia SACE Mathematics AustraliaMedium

Data task 57: A South Australian senior class applies the information to a water, agriculture or urban-design investigation. An indicator rises from 109 to 124. What is the percentage increase to one decimal place?

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sa-sace South Australia SACE Mathematics AustraliaMedium

Data task 58: A South Australian senior class applies the information to a water, agriculture or urban-design investigation. A scanner processes 23 files per minute for 75 minutes. How many files are processed?

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