What does accuracy in scientific experiments refer to?
IB Biology Skills: Accuracy

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1.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
The precision of the measurements
The variety of instruments used
The closeness of results to the true value
The number of times an experiment is repeated
2.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What is a systematic error?
An error that occurs randomly
An error that is consistently in the same direction
An error that is unpredictable
An error that is due to human mistakes
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
How can systematic errors be reduced?
By repeating the experiment multiple times
By using more advanced instruments
By calibrating instruments and using them correctly
By increasing the sample size
4.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Why is calibration important in experiments?
It increases the speed of the experiment
It reduces the cost of the experiment
It helps in obtaining accurate measurements
It ensures the instruments are new
5.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What is the effect of environmental factors on experimental accuracy?
They improve the accuracy
They only affect the reliability
They can cause systematic errors
They have no effect
6.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
How can temperature changes affect enzyme experiments?
They have no effect on enzymes
They can alter the enzyme's activity
They make the enzyme more stable
They only affect the pH level
7.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What does the resolution of an instrument refer to?
The cost of the instrument
The speed at which it measures
The ability to distinguish between similar values
The size of the instrument
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