MCQ Collection

qld-qce MCQs

Practice qld-qce questions with answers and explanations.

qld-qce Queensland QCE Sciences AustraliaMedium

Science task 84: A Queensland senior class applies the information to a reef, climate or regional-services investigation. An enzyme extracted from fruit flies is tested at 24°C. Which statement about enzyme action is correct?

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qld-qce Queensland QCE Sciences AustraliaMedium

Science task 85: 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 86: A Queensland senior class applies the information to a reef, climate or regional-services investigation. A solution has pH 6. What is its hydrogen-ion concentration?

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qld-qce Queensland QCE Sciences AustraliaMedium

Science task 87: A Queensland senior class applies the information to a reef, climate or regional-services investigation. A device transfers 179 J in 31 s. What is its average power?

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qld-qce Queensland QCE Sciences AustraliaMedium

Science task 88: A Queensland senior class applies the information to a reef, climate or regional-services investigation. In experiment 28, pH is varied while growth of pea seedlings is measured. Why include an untreated control?

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qld-qce Queensland QCE Sciences AustraliaMedium

Science task 79: A Queensland senior class applies the information to a reef, climate or regional-services investigation. In genetic cross 19, 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 AustraliaMedium

Science task 71: A Queensland senior class applies the information to a reef, climate or regional-services investigation. A 12 kg test trolley accelerates at 16 m/s². What net force acts on it?

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qld-qce Queensland QCE Sciences AustraliaMedium

Science task 72: A Queensland senior class applies the information to a reef, climate or regional-services investigation. A circuit has 31 V across a 7 Ω resistor. What current flows?

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qld-qce Queensland QCE Sciences AustraliaMedium

Science task 73: A Queensland senior class applies the information to a reef, climate or regional-services investigation. A compound has molar mass 26 g mol⁻¹. What is the mass of 1 mol?

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qld-qce Queensland QCE Sciences AustraliaMedium

Science task 74: A Queensland senior class applies the information to a reef, climate or regional-services investigation. An enzyme extracted from pea seedlings is tested at 36°C. Which statement about enzyme action is correct?

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qld-qce Queensland QCE Sciences AustraliaMedium

Science task 75: A Queensland senior class applies the information to a reef, climate or regional-services investigation. Cells from the bone marrow of a growing organism undergo mitosis. What is the usual outcome?

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qld-qce Queensland QCE Sciences AustraliaMedium

Science task 76: A Queensland senior class applies the information to a reef, climate or regional-services investigation. A solution has pH 4. What is its hydrogen-ion concentration?

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