MCQ Collection
Tasmania TCE Sciences MCQs
Practice Tasmania TCE Sciences questions with answers and explanations.
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Correct Answer: C. 0.05
Explanation:
After 2 half-lives, amount=0.2/2^2=0.05.
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Correct Answer: D. 1 × 10⁻4 mol L⁻¹
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Correct Answer: D. 10.64
Explanation:
P=E/t=10.64 W.
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Correct Answer: B. 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: D. 0.0112
Explanation:
After 4 half-lives, amount=0.18/2^4=0.0112.
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Correct Answer: C. 2.2
Explanation:
I=V/R=2.2 A.
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Correct Answer: A. 26
Explanation:
Mass=nM=1×26=26 g.
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Correct Answer: C. It lowers activation energy without being consumed.
Explanation:
Enzymes alter reaction rate by lowering activation energy.
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Correct Answer: B. Two genetically similar daughter cells with the same chromosome number.
Explanation:
Mitosis supports growth and repair.
