Required Practical: Microscopy (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 stain is added to plant cells to make them more visible under the microscope?
What stain is added to plant cells to make them more visible under the microscope?
Iodine solution
Which stain is used to highlight animal cell structures under the microscope?
Which stain is used to highlight animal cell structures under the microscope?
Methylene blue
What magnification should you start with when using a light microscope?
What magnification should you start with when using a light microscope?
Lowest magnification
What is the purpose of the coarse focus knob on a microscope?
What is the purpose of the coarse focus knob on a microscope?
To bring image into general focus
What is the purpose of the fine focus knob on a microscope?
What is the purpose of the fine focus knob on a microscope?
To sharpen the image
Which structure is visible in plant cells but NOT in animal cells?
Which structure is visible in plant cells but NOT in animal cells?
Cell wall
What formula is used to calculate magnification?
What formula is used to calculate magnification?
Size of Image / Real Size of Object
What shape are plant cells when observed under a microscope?
What shape are plant cells when observed under a microscope?
Regular shape
What shape are animal cells when observed under a microscope?
What shape are animal cells when observed under a microscope?
Irregular shape
Which organelle is large and central in plant cells but smaller or absent in animal cells?
Which organelle is large and central in plant cells but smaller or absent in animal cells?
Vacuole
Which structures are present in plant cells but absent in animal cells?
Which structures are present in plant cells but absent in animal cells?
Cell wall and chloroplasts
What safety precaution should be taken when using methylene blue and iodine stains?
What safety precaution should be taken when using methylene blue and iodine stains?
Avoid contact with skin and eyes