Grade 12 Quizzes, Questions & Answers
Recent Grade 12 Quizzes
Questions: 15 | Attempts: 14 | Last updated: Feb 23, 2026
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Sample QuestionWhat is the ideal self?
Questions: 20 | Attempts: 10 | Last updated: Mar 3, 2026
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Sample QuestionHow are boundary currents primarily defined in the context of ocean gyres?
Questions: 20 | Attempts: 53 | Last updated: Mar 3, 2026
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Sample QuestionWhat is the primary goal of determining the "absolute age" of a rock or fossil?
Questions: 20 | Attempts: 25 | Last updated: Mar 3, 2026
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Sample QuestionWhich evolutionary model suggests that species descend from a common ancestor and change very slowly and steadily over long periods of time?
Questions: 20 | Attempts: 19 | Last updated: Mar 3, 2026
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Sample QuestionWhat is the general definition of post translational modification in a cell?
Questions: 20 | Attempts: 68 | Last updated: Mar 3, 2026
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Sample QuestionTranscription factors are proteins that bind to DNA to either promote or inhibit the recruitment of RNA polymerase.
Questions: 20 | Attempts: 48 | Last updated: Mar 3, 2026
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Sample QuestionDuring replication, which enzyme provides the first line of defense by checking each added nucleotide against its template?
Questions: 20 | Attempts: 23 | Last updated: Mar 3, 2026
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Sample QuestionWhich type of mutation occurs when a single nucleotide is replaced by another, but the resulting amino acid remains unchanged?
Questions: 20 | Attempts: 24 | Last updated: Mar 2, 2026
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Sample QuestionWhat chemical group on the ribose sugar makes RNA significantly less stable than DNA?
Questions: 20 | Attempts: 12 | Last updated: Mar 2, 2026
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Sample QuestionWhat does the term microtubule dynamic instability specifically describe?
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