Lesson Worksheet: Health and Safety Biology
In this worksheet, we will practice composing risk assessments and evaluating the risks of given experiments.
Q1:
Which of the following most accurately defines a risk identified in a risk assessment?
- AA risk is something that could potentially cause harm or damage.
- BA risk is something that negatively affects the results collected from an experiment.
- CA risk is the chance, or likelihood, that a hazard will cause harm.
- DA risk is a negative consequence of not following the method used accurately.
Q2:
Which of the following best defines a precaution taken in an experiment?
- AA precaution is an action taken that removes all hazards from the experiment.
- BA precaution is the process of following a method to increase the accuracy of results.
- CA precaution is an action taken to reduce the risk of harm.
- DA precaution is part of the data analysis that is completed after an experiment.
Q3:
When should a risk assessment be carried out?
- ABefore the experiment has started
- BAfter the experiment when all the hazards have been found
- CDuring the experiment when hazards become noticeable
- DIt does not matter when a risk assessment is carried out.
Q4:
Which of the following most accurately defines a hazard identified in a risk assessment?
- AA hazard is something that negatively affects the results collected from an experiment.
- BA hazard is something that will definitely happen in the experiment and must be prepared for.
- CA hazard is something that could potentially cause harm or damage.
- DA hazard is the chance, or likelihood, that something will go wrong.
Q5:
Which of the following strategies could be used to ensure any scientific experiment or investigation is carried out safely?
- AMaking an apparatus list
- BEnsuring only one variable is changed
- CHaving one person only carry out the investigation
- DCompleting a risk assessment
- EAnalyzing the results
Q6:
The diagram provided shows a risk-severity matrix, which can be used to understand the severity of hazards and the likelihood of them occurring in an experiment.
A student is investigating the distribution of plant species on a school field by walking and sampling 10 areas with a plastic quadrat. Where on the risk-severity matrix should this experiment be placed?
- AMedium
- BHigh
- CLow
- DExtreme
Q7:
The diagram provided shows a risk-severity matrix, which can be used to understand the severity of hazards and the likelihood of them occurring in an experiment.
A student is investigating osmosis in potato chips. They place previously cut pieces of potato into test tubes containing different concentrations of a water-sugar solution. Where on the risk-severity matrix should this experiment be placed?
- AHigh
- BLow
- CExtreme
- DMedium
Q8:
The diagram provided shows a risk-severity matrix, which can be used to understand the severity of hazards and the likelihood of them occurring in an experiment.
A group of scientists are genetically engineering a species of airborne bacteria that infects humans to be resistant to all the major antibiotics. In the lab, they constantly leave the doors and windows open, and they culture their agar plates without the lids on. Which of the following best explains where this experiment should be placed on the risk-severity matrix?
- AThe risk severity is low because there are no noticeable hazards in the experiment.
- BThe risk severity is high because there is a chance of people becoming infected with this bacteria, but precautions are being implemented.
- CThe risk severity is medium because there are some hazards, but precautions are being taken.
- DThe risk severity is extreme because the risk of infection with antibiotic-resistant bacteria is high and the experiment should be stopped.
Q9:
A student uses a sharp scalpel to remove tissues from the leaf of a plant before placing them on a slide and viewing them through a microscope. Which of the following is the main risk associated with this experiment?
- AThe microscope slide could break.
- BThe plant cells could contain pathogens.
- CThe sharp scalpel could cut the student’s skin.
- DThe microscope could be set up improperly.
- EThe student could damage the leaf in the process.
Q10:
The diagram provided shows a risk-severity matrix, which can be used to understand the severity of hazards and the likelihood of them occurring in an experiment.
A technician is using a piece of equipment called an autoclave to sterilize some laboratory glassware. The autoclave uses steam and high pressure to kill microorganisms on the glass, and it can reach a temperature of .
Which of the following best explains where this activity should be on the risk-severity matrix?
- AThe risk severity is medium because the glass and hot temperatures could be a hazard if the autoclave is used improperly.
- BThe risk severity is low because there are no obvious hazards.
- CThe risk severity is extreme because there are too many hazards for this activity to be safely carried out.
- DThe risk severity is high because the glass is very likely to break in the autoclave and the technician will most likely get burnt.
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