bio 111 lab midterm UPDATED ACTUAL
Questions and CORRECT Answers
What is the scientific method? - CORRECT ANSWER - 1. Observation
2. Ask a question (research question)
3. Do background research
4. Construct a hypothesis
5. Test your hypothesis by doing an expieriment
6. Analyze your data and draw a conclusion (statistics)
7. Report your results (was your hypothesis correct?)
How do the steps in the scientific methods relate to one another? - CORRECT ANSWER -
Each step depends on the previous step
What is a hypothesis? - CORRECT ANSWER - -Proposed mechanism for any obervation
-Must be testable
What is an independent variable? - CORRECT ANSWER - What you change, does it have
an effect on dependent
What is the dependent variable? - CORRECT ANSWER - A variable that is
measure/observed, the response variable
What is the control? - CORRECT ANSWER - The benchmark, the standard of comparison
Why is replication important in an experiment? - CORRECT ANSWER - To ensure
results are due to the independent variable not random chance and to account for variation in
natural phenomenon
, What is a scientific theory? - CORRECT ANSWER - A scientific theory is a statement
based on an explanation on a phenomena that is peered reviewed
Name the parts of a microscope: - CORRECT ANSWER - 1. Arm
2. Stage
3. Diaphragm/condenser
4. Light source
5. Base
6. Eyepiece/ocular lenses
7. Revolving nose piece
8. Objective lenses
9. Fine adjustment knob
10. Course adjustment knob
11. Stage clips
1 mm = __ µm - CORRECT ANSWER - 1000µm (micrometer)
1 cm = __ µm - CORRECT ANSWER - 10,000µm (micrometer)
How to find the total magnification on a compound microscope: - CORRECT ANSWER -
_x objective times 10
i.e.
4x objective = 40x
How to make your own slide: - CORRECT ANSWER - 1. Get clean dry glass slide
2. Get the slide cover
3. Add one drop of saline solution
Questions and CORRECT Answers
What is the scientific method? - CORRECT ANSWER - 1. Observation
2. Ask a question (research question)
3. Do background research
4. Construct a hypothesis
5. Test your hypothesis by doing an expieriment
6. Analyze your data and draw a conclusion (statistics)
7. Report your results (was your hypothesis correct?)
How do the steps in the scientific methods relate to one another? - CORRECT ANSWER -
Each step depends on the previous step
What is a hypothesis? - CORRECT ANSWER - -Proposed mechanism for any obervation
-Must be testable
What is an independent variable? - CORRECT ANSWER - What you change, does it have
an effect on dependent
What is the dependent variable? - CORRECT ANSWER - A variable that is
measure/observed, the response variable
What is the control? - CORRECT ANSWER - The benchmark, the standard of comparison
Why is replication important in an experiment? - CORRECT ANSWER - To ensure
results are due to the independent variable not random chance and to account for variation in
natural phenomenon
, What is a scientific theory? - CORRECT ANSWER - A scientific theory is a statement
based on an explanation on a phenomena that is peered reviewed
Name the parts of a microscope: - CORRECT ANSWER - 1. Arm
2. Stage
3. Diaphragm/condenser
4. Light source
5. Base
6. Eyepiece/ocular lenses
7. Revolving nose piece
8. Objective lenses
9. Fine adjustment knob
10. Course adjustment knob
11. Stage clips
1 mm = __ µm - CORRECT ANSWER - 1000µm (micrometer)
1 cm = __ µm - CORRECT ANSWER - 10,000µm (micrometer)
How to find the total magnification on a compound microscope: - CORRECT ANSWER -
_x objective times 10
i.e.
4x objective = 40x
How to make your own slide: - CORRECT ANSWER - 1. Get clean dry glass slide
2. Get the slide cover
3. Add one drop of saline solution
