3.1b Drawing Of T.S. Leaf Flashcards
1
Q
What is a plant diagram?
A
A large diagram showing the relative shapes and proportions of tissues, but no cells.
2
Q
What tissues should be labelled in a diagram of a leaf cross section?
A
Upper and lower epidermis, guard cells
Palisade mesophyll, spongy mesophyll
Xylem, phloem
Cuticle, collenchyma, sclerenchyma
3
Q
What is the formula to calculate magnification?
A
Magnification = size of image / size of object
4
Q
How is the magnification of a drawing calculated?
A
Calculate the eyepiece graticule using a stage micrometer. Measure the length using the eyepiece graticule.
Measure the length of the image using a ruler.
Calculate the magnification using these values.