Research 1 Quarter 3 SUMMATIVE TEST

Quiz by Apolonia Solon

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30 questions
Show answers
• Q1
It is a type of hypothesis which states that there is a significant difference between the results of two conditions being tested. Which type of hypothesis is described?
Alternative hypothesis
Statistical hypothesis
Complex hypothesis
Null hypothesis
30s
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• Q2
Which of the following statements is INCORRECT?
All questions are considered as good scientific questions.
A good scientific question builds on what is already known by the researcher.
A hypothesis is an educated guess.
The scientific method is a sequence of problem-solving skills that scientists use to answer scientific questions.
30s
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• Q3
In an experiment, the ___________________ is separated from the rest so that the independent variable that is being tested cannot affect the results.
control group
experimental group
secondary group
primary group
30s
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• Q4
A ___________________ is an experimental setup wherein only one variable in the experiment is changed while keeping other variables constant.
fair test
independent test
constant test
basic test
30s
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• Q5
It is an educated guess based on existing knowledge and detailed observations. Which is it?
Estimate
Observation
Hypothesis
Independent variable
30s
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• Q6
The following are steps in the scientific method EXCEPT ___________________.
analyzing data
predicting results
drawing conclusions
identifying a problem
30s
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• Q7
It is a type of hypothesis which states that there is no significant difference between the results of two conditions being tested. Which type is it?
Statistical hypothesis
Null hypothesis
Alternative hypothesis
Complex hypothesis
30s
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• Q8
In an experiment, this group is the one that receives the experimental procedure. This group is exposed to changes in the independent variable being tested. Which group is described in the previous sentences?
Experimental group
Control group
Primary group
Secondary group
30s
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• Q9
Which of the following statements is CORRECT?
The null hypothesis affirms of existence of a trait, characteristic, quality, value, correlation, or difference of the result.
In the scientific method, communicating results comes before drawing conclusions.
When a good scientific question is answered, it leads to other scientific questions.
A good scientific question can have an answer but cannot be tested.
30s
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• Q10
The statement “The use of the new fertilizer has no significant effect on the height of the sunflower” is an example of ___________________.
null hypothesis
alternative hypothesis
complex hypothesis
cause-and-effect statement
30s
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• Q11
Which of the following statements is INCORRECT?
Mouth pipetting is not allowed in BSL-2 Laboratories.
BSL-3 applies to working with agents that pose the maximum potential threat to laboratory workers and the environment.
BSL-1 Laboratories deal with organisms that are less hazardous than the organisms on BSL-4 Laboratories.
Laboratory safety measures become more restrictive as the Biosafety Level increases.
30s
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• Q12
We perform ___________________ by following a step-by-step process that tests our hypothesis.
operational definition
measurement
experimentation
prediction
30s
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• Q13
Which of the following is a PROPER laboratory safety measure?
We can scatter our laboratory apparatus around.
We should ignore safety signs and symbols as we work in the laboratory.
We cannot eat or drink inside the laboratory.
Always work alone in the laboratory.
30s
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• Q14
After designing the experiment, the researcher must present the whole process in a formal step-by-step procedure called a ___________________.
recipe
protocol
checklist
fair test
30s
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• Q15
The following are good practices in the laboratory EXCEPT
Know all emergency and fire procedures.
While working in the laboratory, wear appropriate protective apparel such as shorts, slippers, etc.
Keep your work area clean and tidy.
Become familiar with safety signs and symbols.
30s
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• Q16
Which biosafety level deals with organisms that pose maximum potential threat to laboratory workers and the environment?
BSL-1
BSL-2
BSL-4
BSL-3
30s
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• Q17
Which of the following shows a GOOD PRACTICE while working in the laboratory?
Disregard safety signs and symbols as we work in the laboratory.
Regard all substances as harmless unless there is definite information stating otherwise.
Consider all waste disposals as potential safety and environmental risk.
Mix liquid substances with bare hands.
30s
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• Q18
Which of the following statements is CORRECT?
Standard microbiological practices are not applied in BSL-2 Laboratories.
We should always wear a lab coat while working in a laboratory.
BSL-4 is the least restrictive biosafety level.
Mouth pipetting is allowed in both BSL-1 and BSL-2 Laboratories.
30s
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• Q19
Which of the following could be the safety symbol for BIOHAZARD? Choose the corresponding letter for your answer.
C
B
D
A
30s
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• Q20
Which biosafety level applies to working with organisms that pose a minimal threat to laboratory workers and the environment?
BSL-2
BSL-1
BSL-3
BSL-4
30s
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