MCQ Collection

Australia MCQs

Practice Australia questions with answers and explanations.

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 67: An ACT senior class applies the information to a public-policy, planning or research investigation. A device transfers 269 J in 20 s. What is its average power?

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act-ssc ACT Senior Secondary Certificate Sciences AustraliaMedium

Science task 68: An ACT senior class applies the information to a public-policy, planning or research investigation. In experiment 8, pH is varied while growth of mice is measured. Why include an untreated control?

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act-ssc ACT Senior Secondary Certificate Sciences AustraliaMedium

Science task 69: An ACT senior class applies the information to a public-policy, planning or research investigation. In genetic cross 9, 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 70: An ACT senior class applies the information to a public-policy, planning or research investigation. A tracer starts at 0.20 mol and undergoes 2 half-lives of 3 minutes each. How much remains?

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act-ssc ACT Senior Secondary Certificate Sciences AustraliaMedium

Science task 64: An ACT senior class applies the information to a public-policy, planning or research investigation. An enzyme extracted from bacteria is tested at 32°C. Which statement about enzyme action is correct?

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act-ssc ACT Senior Secondary Certificate Sciences AustraliaMedium

Science task 65: 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 66: An ACT senior class applies the information to a public-policy, planning or research investigation. A solution has pH 2. What is its hydrogen-ion concentration?

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act-ssc ACT Senior Secondary Certificate Mathematics AustraliaMedium

Data task 57: An ACT senior class applies the information to a public-policy, planning or research investigation. An indicator rises from 199 to 224. What is the percentage increase to one decimal place?

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act-ssc ACT Senior Secondary Certificate Mathematics AustraliaMedium

Data task 58: An ACT senior class applies the information to a public-policy, planning or research investigation. A scanner processes 21 files per minute for 100 minutes. How many files are processed?

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act-ssc ACT Senior Secondary Certificate Mathematics AustraliaMedium

Data task 59: An ACT senior class applies the information to a public-policy, planning or research investigation. An item priced at $398 is discounted by 20%. What is the sale price?

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