MCQ Collection

qld-qce MCQs

Practice qld-qce questions with answers and explanations.

qld-qce Queensland QCE Sciences AustraliaMedium

Science task 77: A Queensland senior class applies the information to a reef, climate or regional-services investigation. A device transfers 149 J in 21 s. What is its average power?

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qld-qce Queensland QCE Sciences AustraliaMedium

Science task 78: A Queensland senior class applies the information to a reef, climate or regional-services investigation. In experiment 18, temperature is varied while growth of bacteria is measured. Why include an untreated control?

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qld-qce Queensland QCE Sciences AustraliaMedium

Science task 65: A Queensland senior class applies the information to a reef, climate or regional-services investigation. Cells from the skin of a growing organism undergo mitosis. What is the usual outcome?

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qld-qce Queensland QCE Sciences AustraliaMedium

Science task 66: A Queensland senior class applies the information to a reef, climate or regional-services investigation. A solution has pH 2. What is its hydrogen-ion concentration?

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qld-qce Queensland QCE Sciences AustraliaMedium

Science task 67: A Queensland senior class applies the information to a reef, climate or regional-services investigation. A device transfers 119 J in 11 s. What is its average power?

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qld-qce Queensland QCE Sciences AustraliaMedium

Science task 68: A Queensland senior class applies the information to a reef, climate or regional-services investigation. In experiment 8, pH is varied while growth of mice is measured. Why include an untreated control?

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qld-qce Queensland QCE Sciences AustraliaMedium

Science task 69: A Queensland senior class applies the information to a reef, climate or regional-services 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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qld-qce Queensland QCE Sciences AustraliaHard

Science task 70: A Queensland senior class applies the information to a reef, climate or regional-services investigation. A tracer starts at 0.10 mol and undergoes 2 half-lives of 8 minutes each. How much remains?

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qld-qce Queensland QCE Sciences AustraliaMedium

Science task 64: A Queensland senior class applies the information to a reef, climate or regional-services investigation. An enzyme extracted from bacteria is tested at 26°C. Which statement about enzyme action is correct?

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qld-qce Queensland QCE Mathematics AustraliaMedium

Data task 55: A Queensland senior class applies the information to a reef, climate or regional-services investigation. A sample contains 13 compliant and 15 non-compliant records. One is chosen at random. What is the probability it is compliant?

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qld-qce Queensland QCE Mathematics AustraliaMedium

Data task 56: A Queensland senior class applies the information to a reef, climate or regional-services investigation. Solve 3x + 7 = 70.

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qld-qce Queensland QCE Mathematics AustraliaMedium

Data task 57: A Queensland senior class applies the information to a reef, climate or regional-services investigation. An indicator rises from 129 to 152. What is the percentage increase to one decimal place?

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