MCQ Collection
Tasmania TCE Sciences MCQs
Practice Tasmania TCE Sciences questions with answers and explanations.
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Correct Answer: B. 0.06
Explanation:
After 2 half-lives, amount=0.24000000000000002/2^2=0.06.
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Correct Answer: A. 1 × 10⁻2 mol L⁻¹
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Correct Answer: B. 18.38
Explanation:
P=E/t=18.38 W.
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Correct Answer: A. It lowers activation energy without being consumed.
Explanation:
Enzymes alter reaction rate by lowering activation energy.
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Correct Answer: C. Two genetically similar daughter cells with the same chromosome number.
Explanation:
Mitosis supports growth and repair.
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Correct Answer: A. It lowers activation energy without being consumed.
Explanation:
Enzymes alter reaction rate by lowering activation energy.
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Correct Answer: C. Two genetically similar daughter cells with the same chromosome number.
Explanation:
Mitosis supports growth and repair.
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Correct Answer: D. 1 × 10⁻8 mol L⁻¹
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Correct Answer: D. 6.15
Explanation:
P=E/t=6.15 W.
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Correct Answer: C. 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: A. 0.0138
Explanation:
After 4 half-lives, amount=0.22/2^4=0.0138.