MCQ Collection

ACT Senior Secondary Certificate Sciences MCQs

Practice ACT Senior Secondary Certificate Sciences questions with answers and explanations.

act-ssc ACT Senior Secondary Certificate Sciences AustraliaMedium

Science task 99: An ACT senior class applies the information to a public-policy, planning or research 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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act-ssc ACT Senior Secondary Certificate Sciences AustraliaHard

Science task 100: An ACT senior class applies the information to a public-policy, planning or research investigation. A tracer starts at 0.26 mol and undergoes 4 half-lives of 5 minutes each. How much remains?

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act-ssc ACT Senior Secondary Certificate Sciences AustraliaMedium

Science task 101: An ACT senior class applies the information to a public-policy, planning or research investigation. A 25 kg test trolley accelerates at 14 m/s². What net force acts on it?

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act-ssc ACT Senior Secondary Certificate Sciences AustraliaMedium

Science task 102: An ACT senior class applies the information to a public-policy, planning or research investigation. A circuit has 32 V across a 2 Ω resistor. What current flows?

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act-ssc ACT Senior Secondary Certificate Sciences AustraliaMedium

Science task 103: An ACT senior class applies the information to a public-policy, planning or research investigation. A compound has molar mass 26 g mol⁻¹. What is the mass of 3 mol?

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act-ssc ACT Senior Secondary Certificate Sciences AustraliaHard

Science task 80: An ACT senior class applies the information to a public-policy, planning or research investigation. A tracer starts at 0.22 mol and undergoes 4 half-lives of 6 minutes each. How much remains?

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act-ssc ACT Senior Secondary Certificate Sciences AustraliaMedium

Science task 81: An ACT senior class applies the information to a public-policy, planning or research investigation. A 5 kg test trolley accelerates at 11 m/s². What net force acts on it?

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act-ssc ACT Senior Secondary Certificate Sciences AustraliaMedium

Science task 82: An ACT senior class applies the information to a public-policy, planning or research investigation. A circuit has 12 V across a 20 Ω resistor. What current flows?

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act-ssc ACT Senior Secondary Certificate Sciences AustraliaMedium

Science task 83: An ACT senior class applies the information to a public-policy, planning or research investigation. A compound has molar mass 26 g mol⁻¹. What is the mass of 7 mol?

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Science task 84: An ACT senior class applies the information to a public-policy, planning or research investigation. An enzyme extracted from fruit flies is tested at 30°C. Which statement about enzyme action is correct?

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act-ssc ACT Senior Secondary Certificate Sciences AustraliaMedium

Science task 85: An ACT senior class applies the information to a public-policy, planning or research investigation. Cells from the skin of a growing organism undergo mitosis. What is the usual outcome?

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act-ssc ACT Senior Secondary Certificate Sciences AustraliaMedium

Science task 86: An ACT senior class applies the information to a public-policy, planning or research investigation. A solution has pH 6. What is its hydrogen-ion concentration?

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