Using a light microscope (LC 2026) (Leaving Cert Biology): Quizzes
📚Quizzes
Practise the questions
12 questions from this quiz
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Practise the questions
12 questions from this quiz
What is the first step when using a light microscope?
What is the first step when using a light microscope?
Switch on the light source
Which lens should be used first when beginning to observe a slide?
Which lens should be used first when beginning to observe a slide?
Low power lens
What part of the microscope is rotated to select the low power lens?
What part of the microscope is rotated to select the low power lens?
Nosepiece
Where should the prepared microscope slide be placed?
Where should the prepared microscope slide be placed?
On the stage
What holds the slide in place on the microscope?
What holds the slide in place on the microscope?
Stage clips
What is used to look at the slide during observation?
What is used to look at the slide during observation?
Eyepiece
Which part adjusts the illumination for correct lighting?
Which part adjusts the illumination for correct lighting?
Iris diaphragm
Which wheel is used to focus the object as sharply as possible initially?
Which wheel is used to focus the object as sharply as possible initially?
Coarse adjustment wheel
Which wheel is used to sharpen the focus after initial focusing?
Which wheel is used to sharpen the focus after initial focusing?
Fine adjustment wheel
Under which magnifications should diagrams be drawn?
Under which magnifications should diagrams be drawn?
Low power and high power
How is total magnification calculated?
How is total magnification calculated?
Objective lens Eyepiece
What setting should the low power lens be at initially before focusing?
What setting should the low power lens be at initially before focusing?
Closest setting to the slide