B1.1

Quiz by Mr R Horn

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What word means ‘the ability to distinguish between two points’
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11 questions

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Q1
What word means ‘the ability to distinguish between two points’
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30s
Q2
How would you increase the magnification (when using a microscope)
Zoom in
Change the objective lens
Turn the fine focusing wheel
Turn the coarse focusing wheel
30s
Q3
Name the small square of glass that is placed in top of the specimen.
Graticule
Slide
Coverslip
Micro-slide
30s
Q4
0.5mm = …?
500 nanometers
5000 micrometers
500 micrometers
0.0005 micrometers
30s
Q5
0.003mm =
1 x 10^-3mm
3 x 10^-2mm
3 x 10⁺³mm
3 x 10^-3mm
30s
Q6
Why is it necessary to use blotting paper to removes excess stain?
To remove air bubbles
To prevent the stain coming into contact with the objective lens or spilling off the slide
To save money
To help gain a clear image
30s
Q7
What is the function of mitochondria?
To make energy by aerobic respiration
To transfer energy (from glucose) by aerobic respiration
To make proteins
To make food (glucose) by photosynthesis
30s
Q8
A bacterium is 2 micrometers long. If it is magnified by x4000, what will the image size be?
8mm
800 micrometers
2000 micrometers
0.0005 micrometers
30s
Q9
What is the correct symbol for ‘micrometers’?
$\gamma$ m
$\mu$ m
nm
$\delta$ m
30s
Q10
What type of microscope was used to produce this image of coronavirus?
An electron microscope
An electric microscope
A compound microscope
A light microscope
30s
Q11
What term means 'close to the true value'?
Valid
Accurate
Precise
Systematic
30s

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