Question 1

What is the purpose of evaluating an experiment?

Accepted Answer

to identify errors and suggest improvements

Answer

to repeat the experiment exactly

Answer

to compare it with other experiments

Answer

to confirm the results

Question 2

What does precision in an experiment refer to?

Accepted Answer

the spread of results around the mean value

Answer

the consistency of results by different groups

Answer

the closeness to the true value

Answer

the consistency of results by the same group

Question 3

How can you improve the accuracy of pH measurement in photosynthesis experiments?

Accepted Answer

Use a pH probe.

Answer

Use a gas syringe.

Answer

Use a stopwatch.

Answer

Use a thermometer.

Question 4

What does reproducibility in an experiment mean?

Accepted Answer

obtaining similar results by different people using different equipment

Answer

obtaining different results by different people or groups

Answer

obtaining different results by the same person or group

Answer

obtaining similar results by the same person or group

Question 5

How can systematic errors be identified in an experiment?

Accepted Answer

by comparing results to known standards or controls

Answer

by changing the experimental method

Answer

by ignoring outliers

Answer

by repeating the experiment multiple times

Question 6

How can you reduce random errors in your data collection?

Accepted Answer

by taking multiple measurements and averaging them

Answer

by using different equipment each time

Answer

by ignoring inconsistent data

Answer

by relying on a single measurement

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