Using a light microscope (AQA GCSE Biology): Quizzes
📚Quizzes
Practise the questions
12 questions from this quiz
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Practise the questions
12 questions from this quiz
What types of cells can you observe using a light microscope?
What types of cells can you observe using a light microscope?
Plant and animal cells
Where is the eyepiece located on a light microscope?
Where is the eyepiece located on a light microscope?
At the top where you look through
What is the function of the objective lenses?
What is the function of the objective lenses?
Magnify the specimen
What is the difference between coarse and fine focusing wheels?
What is the difference between coarse and fine focusing wheels?
Coarse for initial, fine for sharp
At what angle should you hold the coverslip when lowering it onto the slide?
At what angle should you hold the coverslip when lowering it onto the slide?
angle
Why do you add iodine solution when preparing an onion cell slide?
Why do you add iodine solution when preparing an onion cell slide?
To make cell parts easier to see
Why must the onion layer be thin when preparing a slide?
Why must the onion layer be thin when preparing a slide?
For clear viewing
Which magnification should you start with when observing a specimen?
Which magnification should you start with when observing a specimen?
Lowest power
Which focusing wheel should you use first when observing your specimen?
Which focusing wheel should you use first when observing your specimen?
Coarse focusing wheel
What should you use to draw your microscope observations?
What should you use to draw your microscope observations?
Pencil
Should you use shading in scientific drawings of cells?
Should you use shading in scientific drawings of cells?
No, draw only outlines
Why must you wear eye protection when preparing slides with iodine?
Why must you wear eye protection when preparing slides with iodine?
Iodine can stain and harm your eyes