BIO 101 LAB EXAM SCRIPT 2026 COMPLETE
QUESTIONS AND CORRECT ANSWERS
GRADED A+
●● Quantitative data
Answer: numerical data
●● What type of graph is best suited for qualitative data
Answer: bar graph
●● What labels must bar graphs and line graphs have
Answer: axis title and units of measure
●● 1km
Answer: 1000m
●● 1m
Answer: 100cm or 1000mm
●● 1cm
Answer: 10mm
,●● 1kg
Answer: 1000g
●● What instruments are most precise for measuring volume
Answer: graduated cylinder or graduated pipette
●● What instruments are least precise for measuring volume
Answer: beaker, disposable pipettes, elernmeyer flask
●● Steps of the Scientific Method
Answer: 1. Observation
2. Form a question
3. Form a hypothesis
4. Conduct an experiment
5. Gather results from experiment
6. Analyze the data
7. Draw conclusions
●● What is a positive control
Answer: a group in an experiment that receives a treatment with a
known result; proves the experiment is working
, ●● What is a negative control
Answer: a group in an experiment that does not receive any type of
treatment and, therefore, should not show any change during the
experiment
●● What is a null hypothesis
Answer: states that there will be no difference, no effect, or no
relationship between the variables
●● What is an alternative hypothesis
Answer: statement that contradicts the null hypothesis
●● In the yeast experiment, glucose and protein solutions were used as
nutrients for the yeast. As the yeast metabolizes, what is the product of
respiration?
Answer: CO2 is the product of respiration; this forms an anaerobic
chamber
●● Know major parts of the the microscope
Answer:
●● What objective is used first on the microscope
Answer: 4x objective lens
QUESTIONS AND CORRECT ANSWERS
GRADED A+
●● Quantitative data
Answer: numerical data
●● What type of graph is best suited for qualitative data
Answer: bar graph
●● What labels must bar graphs and line graphs have
Answer: axis title and units of measure
●● 1km
Answer: 1000m
●● 1m
Answer: 100cm or 1000mm
●● 1cm
Answer: 10mm
,●● 1kg
Answer: 1000g
●● What instruments are most precise for measuring volume
Answer: graduated cylinder or graduated pipette
●● What instruments are least precise for measuring volume
Answer: beaker, disposable pipettes, elernmeyer flask
●● Steps of the Scientific Method
Answer: 1. Observation
2. Form a question
3. Form a hypothesis
4. Conduct an experiment
5. Gather results from experiment
6. Analyze the data
7. Draw conclusions
●● What is a positive control
Answer: a group in an experiment that receives a treatment with a
known result; proves the experiment is working
, ●● What is a negative control
Answer: a group in an experiment that does not receive any type of
treatment and, therefore, should not show any change during the
experiment
●● What is a null hypothesis
Answer: states that there will be no difference, no effect, or no
relationship between the variables
●● What is an alternative hypothesis
Answer: statement that contradicts the null hypothesis
●● In the yeast experiment, glucose and protein solutions were used as
nutrients for the yeast. As the yeast metabolizes, what is the product of
respiration?
Answer: CO2 is the product of respiration; this forms an anaerobic
chamber
●● Know major parts of the the microscope
Answer:
●● What objective is used first on the microscope
Answer: 4x objective lens
