1
Q
1 epu at 40x magnification
A
0.025mm
2
Q
1 epu at 100x magnification
A
0.01mm
3
Q
1epu at 400x magnification
A
0.0025mm
A level practicals - Biology
flashcards
Decks in class (20)
# Cards
-
Practical 1 - Food tests34
-
Practical 2 - Calibration Of The Light Microscope At Low To High Power + Magnification Calculation O A Drawing37
-
Practical 3 - Preperation And Scientific Drawing Of A Slide Of Onion Cells10
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Practical 4 (that wasn’t actually a practical) - Leaf transverse section and root under 40x magnification21
-
Practical 5 - Investigation into the permeability of cell membranes using beetroot40
-
Practical 6 - Determination of water potential by measuring changes in mass or length43
-
Practical 7 - Determination of the solute potential by measuring the degree of incipient plasmolysis32
-
Practical 8 - Investigation into the effect of temperature or pH on enzyme activity47
-
Practical 9- Investigation into the effect of enzyme or substrate concentration on enzyme activity32
-
Practical 10 - Scientific drawing of cells from prepred slides of developing anthers to show stages of meiosis15
-
Practical 11 - Investigation into biodiversity in a habitat8
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Practical 12 - Investigation into stomatal numbers in leaves12
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Practical 13 - Scientific drawing of low power plan of a prepared slide of T.S. artery and vein1
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Practical 14 - Investigation into transpiration using a simple potometer12
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Practical 15 - Small Intestine Transection1
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YEAR 2 : Practical 1 - Invesigation of dehydrogenase activity In yeast19
-
Practical 2 - Investigation into the separation of choroplast pigments by chromatography29
-
Practical 3 - Investigation into factors affecting respiration in yeast23
-
Microscope Magnifications3
-
Practical 4 - Investigation of the digestion of starch agar using germinating seeds24
