MCQ Collection

Western Australia WACE Sciences MCQs

Practice Western Australia WACE Sciences questions with answers and explanations.

wa-wace Western Australia WACE Sciences AustraliaMedium

Science task 83: A Western Australian senior class applies the information to a resources, distance or environmental investigation. A compound has molar mass 26 g mol⁻¹. What is the mass of 7 mol?

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wa-wace Western Australia WACE Sciences AustraliaMedium

Science task 84: A Western Australian senior class applies the information to a resources, distance or environmental investigation. An enzyme extracted from fruit flies is tested at 22°C. Which statement about enzyme action is correct?

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wa-wace Western Australia WACE Sciences AustraliaMedium

Science task 85: A Western Australian senior class applies the information to a resources, distance or environmental investigation. Cells from the skin of a growing organism undergo mitosis. What is the usual outcome?

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wa-wace Western Australia WACE Sciences AustraliaMedium

Science task 86: A Western Australian senior class applies the information to a resources, distance or environmental investigation. A solution has pH 6. What is its hydrogen-ion concentration?

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wa-wace Western Australia WACE Sciences AustraliaMedium

Science task 87: A Western Australian senior class applies the information to a resources, distance or environmental investigation. A device transfers 329 J in 16 s. What is its average power?

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wa-wace Western Australia WACE Sciences AustraliaMedium

Science task 88: A Western Australian senior class applies the information to a resources, distance or environmental investigation. In experiment 28, pH is varied while growth of pea seedlings is measured. Why include an untreated control?

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wa-wace Western Australia WACE Sciences AustraliaMedium

Science task 76: A Western Australian senior class applies the information to a resources, distance or environmental investigation. A solution has pH 4. What is its hydrogen-ion concentration?

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wa-wace Western Australia WACE Sciences AustraliaMedium

Science task 77: A Western Australian senior class applies the information to a resources, distance or environmental investigation. A device transfers 299 J in 37 s. What is its average power?

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wa-wace Western Australia WACE Sciences AustraliaMedium

Science task 78: A Western Australian senior class applies the information to a resources, distance or environmental investigation. In experiment 18, temperature is varied while growth of bacteria is measured. Why include an untreated control?

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wa-wace Western Australia WACE Sciences AustraliaMedium

Science task 71: A Western Australian senior class applies the information to a resources, distance or environmental investigation. A 11 kg test trolley accelerates at 10 m/s². What net force acts on it?

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wa-wace Western Australia WACE Sciences AustraliaMedium

Science task 72: A Western Australian senior class applies the information to a resources, distance or environmental investigation. A circuit has 10 V across a 12 Ω resistor. What current flows?

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wa-wace Western Australia WACE Sciences AustraliaMedium

Science task 73: A Western Australian senior class applies the information to a resources, distance or environmental investigation. A compound has molar mass 26 g mol⁻¹. What is the mass of 9 mol?

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