MCQ Collection
ncea-level-3 MCQs
Practice ncea-level-3 questions with answers and explanations.
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Correct Answer: A. At constant temperature, the equilibrium constant is unchanged even though equilibrium position may shift.
Explanation:
At constant temperature, the equilibrium constant is unchanged even though equilibrium position may shift.
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Correct Answer: D. 10.0
Explanation:
Henderson–Hasselbalch gives a ratio of 10.
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Correct Answer: D. An addition reaction across the carbon–carbon double bond.
Explanation:
An addition reaction across the carbon–carbon double bond.
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Correct Answer: B. Transcription produces an RNA copy from a DNA template; translation uses mRNA to assemble a polypeptide.
Explanation:
Transcription produces an RNA copy from a DNA template; translation uses mRNA to assemble a polypeptide.
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Correct Answer: B. Negative feedback opposes deviation from a set range and promotes stability.
Explanation:
Negative feedback opposes deviation from a set range and promotes stability.
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Correct Answer: B. Allele frequencies can change when individuals with heritable differences leave different numbers of offspring.
Explanation:
Allele frequencies can change when individuals with heritable differences leave different numbers of offspring.
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Correct Answer: D. Random allocation reduces systematic differences between treatment groups before the intervention.
Explanation:
Random allocation reduces systematic differences between treatment groups before the intervention.
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Correct Answer: C. An addition reaction across the carbon–carbon double bond.
Explanation:
An addition reaction across the carbon–carbon double bond.
