MCQ Collection
Queensland QCE Sciences MCQs
Practice Queensland QCE Sciences questions with answers and explanations.
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Correct Answer: B. Two genetically similar daughter cells with the same chromosome number.
Explanation:
Mitosis supports growth and repair.
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Correct Answer: B. 1 × 10⁻8 mol L⁻¹
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Correct Answer: D. 20.9
Explanation:
P=E/t=20.9 W.
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Correct Answer: D. To estimate what happens without the experimental treatment.
Explanation:
A control provides a comparison baseline.
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Correct Answer: B. 3/4
Explanation:
AA and Aa show the dominant phenotype: 3 of 4 expected offspring.
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Correct Answer: B. 3/4
Explanation:
AA and Aa show the dominant phenotype: 3 of 4 expected offspring.
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Correct Answer: C. 0.035
Explanation:
After 2 half-lives, amount=0.14/2^2=0.035.
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Correct Answer: B. 3/4
Explanation:
AA and Aa show the dominant phenotype: 3 of 4 expected offspring.
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Correct Answer: A. 0.0075
Explanation:
After 4 half-lives, amount=0.12000000000000001/2^4=0.0075.
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Correct Answer: D. 2.41
Explanation:
I=V/R=2.41 A.
