MCQ Collection

Australia MCQs

Practice Australia questions with answers and explanations.

qld-qce Queensland QCE Sciences AustraliaMedium

Science task 92: A Queensland senior class applies the information to a reef, climate or regional-services investigation. A circuit has 51 V across a 8 Ω resistor. What current flows?

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qld-qce Queensland QCE Sciences AustraliaMedium

Science task 93: 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 9 mol?

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qld-qce Queensland QCE Sciences AustraliaMedium

Science task 94: A Queensland senior class applies the information to a reef, climate or regional-services investigation. An enzyme extracted from mice is tested at 34°C. Which statement about enzyme action is correct?

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qld-qce Queensland QCE Sciences AustraliaMedium

Science task 95: 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 96: A Queensland senior class applies the information to a reef, climate or regional-services investigation. A solution has pH 8. What is its hydrogen-ion concentration?

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qld-qce Queensland QCE Sciences AustraliaMedium

Science task 97: A Queensland senior class applies the information to a reef, climate or regional-services investigation. A device transfers 209 J in 10 s. What is its average power?

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qld-qce Queensland QCE Sciences AustraliaMedium

Science task 98: A Queensland senior class applies the information to a reef, climate or regional-services investigation. In experiment 38, temperature is varied while growth of fruit flies is measured. Why include an untreated control?

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qld-qce Queensland QCE Sciences AustraliaMedium

Science task 99: A Queensland senior class applies the information to a reef, climate or regional-services investigation. In genetic cross 39, 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 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 AustraliaHard

Science task 80: A Queensland senior class applies the information to a reef, climate or regional-services investigation. A tracer starts at 0.12 mol and undergoes 4 half-lives of 4 minutes each. How much remains?

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qld-qce Queensland QCE Sciences AustraliaMedium

Science task 81: A Queensland senior class applies the information to a reef, climate or regional-services investigation. A 22 kg test trolley accelerates at 9 m/s². What net force acts on it?

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