1.4.4 Scientific investigation in biology (MCQ)
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Question 1 of 5
1. Question
0 point(s)An investigation studies how pH affects enzyme activity. Which correctly identifies the variables?
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Question 2 of 5
2. Question
0 point(s)A study examines how exercise duration affects heart rate. Which variable pair is correct?
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Question 3 of 5
3. Question
0 point(s)Before finalizing conclusions, what critical step ensures results validity?
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4. Question
0 point(s)What is the purpose of repeating an experiment?
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Question 5 of 5
5. Question
0 point(s)Why is a control group important in an experiment?
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