MCQ Collection

sa-sace MCQs

Practice sa-sace questions with answers and explanations.

sa-sace South Australia SACE Sciences AustraliaMedium

Science task 84: A South Australian senior class applies the information to a water, agriculture or urban-design investigation. An enzyme extracted from fruit flies is tested at 34°C. Which statement about enzyme action is correct?

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sa-sace South Australia SACE Sciences AustraliaMedium

Science task 85: 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 86: A South Australian senior class applies the information to a water, agriculture or urban-design investigation. A solution has pH 6. What is its hydrogen-ion concentration?

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sa-sace South Australia SACE Sciences AustraliaMedium

Science task 87: A South Australian senior class applies the information to a water, agriculture or urban-design investigation. A device transfers 479 J in 8 s. What is its average power?

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sa-sace South Australia SACE Sciences AustraliaMedium

Science task 88: A South Australian senior class applies the information to a water, agriculture or urban-design investigation. In experiment 28, pH is varied while growth of pea seedlings is measured. Why include an untreated control?

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sa-sace South Australia SACE Sciences AustraliaMedium

Science task 79: A South Australian senior class applies the information to a water, agriculture or urban-design 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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sa-sace South Australia SACE Sciences AustraliaMedium

Science task 71: A South Australian senior class applies the information to a water, agriculture or urban-design investigation. A 26 kg test trolley accelerates at 13 m/s². What net force acts on it?

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sa-sace South Australia SACE Sciences AustraliaMedium

Science task 72: A South Australian senior class applies the information to a water, agriculture or urban-design investigation. A circuit has 44 V across a 19 Ω resistor. What current flows?

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sa-sace South Australia SACE Sciences AustraliaMedium

Science task 73: A South Australian senior class applies the information to a water, agriculture or urban-design investigation. A compound has molar mass 26 g mol⁻¹. What is the mass of 5 mol?

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sa-sace South Australia SACE Sciences AustraliaMedium

Science task 74: A South Australian senior class applies the information to a water, agriculture or urban-design investigation. An enzyme extracted from pea seedlings is tested at 24°C. Which statement about enzyme action is correct?

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sa-sace South Australia SACE Sciences AustraliaMedium

Science task 75: A South Australian senior class applies the information to a water, agriculture or urban-design investigation. Cells from the bone marrow of a growing organism undergo mitosis. What is the usual outcome?

Choose an option to check your answer.

sa-sace South Australia SACE Sciences AustraliaMedium

Science task 76: A South Australian senior class applies the information to a water, agriculture or urban-design investigation. A solution has pH 4. What is its hydrogen-ion concentration?

Choose an option to check your answer.