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 87: An ACT senior class applies the information to a public-policy, planning or research investigation. A device transfers 329 J in 9 s. What is its average power?

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act-ssc ACT Senior Secondary Certificate Sciences AustraliaMedium

Science task 88: An ACT senior class applies the information to a public-policy, planning or research investigation. In experiment 28, pH is varied while growth of pea seedlings is measured. Why include an untreated control?

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act-ssc ACT Senior Secondary Certificate Sciences AustraliaMedium

Science task 89: An ACT senior class applies the information to a public-policy, planning or research investigation. In genetic cross 29, 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 90: An ACT senior class applies the information to a public-policy, planning or research investigation. A tracer starts at 0.24 mol and undergoes 2 half-lives of 2 minutes each. How much remains?

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act-ssc ACT Senior Secondary Certificate Sciences AustraliaMedium

Science task 91: An ACT senior class applies the information to a public-policy, planning or research investigation. A 15 kg test trolley accelerates at 4 m/s². What net force acts on it?

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act-ssc ACT Senior Secondary Certificate Sciences AustraliaMedium

Science task 76: An ACT senior class applies the information to a public-policy, planning or research investigation. A solution has pH 4. What is its hydrogen-ion concentration?

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act-ssc ACT Senior Secondary Certificate Sciences AustraliaMedium

Science task 77: An ACT senior class applies the information to a public-policy, planning or research investigation. A device transfers 299 J in 30 s. What is its average power?

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act-ssc ACT Senior Secondary Certificate Sciences AustraliaMedium

Science task 78: An ACT senior class applies the information to a public-policy, planning or research investigation. In experiment 18, temperature is varied while growth of bacteria is measured. Why include an untreated control?

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act-ssc ACT Senior Secondary Certificate Sciences AustraliaMedium

Science task 79: An ACT senior class applies the information to a public-policy, planning or research 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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act-ssc ACT Senior Secondary Certificate Sciences AustraliaMedium

Science task 71: An ACT senior class applies the information to a public-policy, planning or research investigation. A 24 kg test trolley accelerates at 1 m/s². What net force acts on it?

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act-ssc ACT Senior Secondary Certificate Sciences AustraliaMedium

Science task 72: An ACT senior class applies the information to a public-policy, planning or research investigation. A circuit has 49 V across a 10 Ω resistor. What current flows?

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act-ssc ACT Senior Secondary Certificate Sciences AustraliaMedium

Science task 73: 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 9 mol?

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