Ultimate Quiz On Scientific Control & Experiment
A controlled variable is one that is used as a standard of comparison for checking results of an experiment and kept constant throughout an experiment and is the basis for every decision after an experiment. Scientific control is an experiment that is designed to minimize the effects of variables other than independent variables. Take the test and learn more!
- 1.
What is scientific control designed for?
- A.
Minimize the effect of variables
- B.
Make proper findings
- C.
Maximise the effect of variables
- D.
Find out about variables
Correct Answer
A. Minimize the effect of variablesExplanation
A scientific control is an experiment or observation designed to minimize the effects of variables other than the independent variable.Rate this question:
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- 2.
What is increased in the process of scientific control?
- A.
Reliability of results
- B.
Understanding of terms
- C.
Unreliability of results
- D.
Reliability of occurrences
Correct Answer
A. Reliability of resultsExplanation
Scientifc Control increases the reliability of the results, often through a comparison between control measurements and the other measurements.Rate this question:
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- 3.
Which of these if scientific control connected with?
- A.
Scientific method
- B.
Scientific problem
- C.
Scientific situations
- D.
Scientific findings
Correct Answer
A. Scientific methodExplanation
Scientific controls are a part of the scientific method.Rate this question:
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- 4.
What does scientific control eliminates?
- A.
Alternate explanations of experimental results
- B.
Alternate problems of experimental results
- C.
Alternate explanations of measures of control
- D.
Alternate problems of measures of control
Correct Answer
A. Alternate explanations of experimental resultsExplanation
Controls eliminate alternate explanations of experimental results, especially experimental errors and experimenter biasRate this question:
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- 5.
What is a major feature of many controls?
- A.
They are specific to the type of experiment being performed
- B.
They are not properly detailed unless more effort is placed
- C.
They are prone to mislead
- D.
They are based on findings
Correct Answer
A. They are specific to the type of experiment being performedExplanation
Many controls are specific to the type of experiment being performedRate this question:
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- 6.
What kind of markers are used in SDS-PAGE experiments?
- A.
Molecular markers
- B.
Atomical markers
- C.
Scientific markers
- D.
Professional markers
Correct Answer
A. Molecular markersExplanation
Molecular markers are used in SDS-PAGE experimentsRate this question:
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- 7.
What is the consequence of using and selecting the proper control measures?
- A.
They are always valid
- B.
They result in more problem
- C.
They make work slower
- D.
It aids proper results
Correct Answer
A. They are always validExplanation
The selection and use of proper controls to ensure that experimental results are validRate this question:
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- 8.
What is a major reason why people might not use the proper control measures?
- A.
It is very difficult
- B.
It wastes time
- C.
It gives doubted results
- D.
It is not always the best
Correct Answer
A. It is very difficultExplanation
Using the proper control measures could be very difficult at times.Rate this question:
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- 9.
Control measures are often important when confounding factors cannot easily?
- A.
Be separated
- B.
Be known
- C.
Be understood
- D.
Be noticed
Correct Answer
A. Be separatedExplanation
Controls are most often necessary where a confounding factor cannot easily be separated from the primary treatments.Rate this question:
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- 10.
What other treatment is added to control for dilutant?
- A.
Dilutant alone
- B.
Dilutant isn't always needed
- C.
Dilutant control
- D.
Other scientific controls are available
Correct Answer
A. Dilutant aloneExplanation
To control for the effect of the dilutant, another treatment is added which is the dilutant alone.Rate this question:
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Current Version
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Mar 20, 2023Quiz Edited by
ProProfs Editorial Team -
Mar 30, 2018Quiz Created by
Anna
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