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WorksheetsCell Microscopy (Magnification Calculation1)
Total questions: 10
Worksheet time: 20mins
If the objective lens has a magnification of 4x and the eyepiece lens has a magnification of 40x, what is the magnifying power of the microscope?
(a)
Calculate the actual size of a mesophyl cell if the its drawing has a length of 350mm and the magnification of the drawing is 700x
0.002μm
0.02nm
0.002nm
0.0002μm
If the nucleus is 650 times bigger than a particular mitochondria, what is the size of this mitochondria (in nm) if the nucleus measures 130Um in diameter
(a)
The distance between the tips of two neighbouring sieve tube elements is 120Um. If one element is twice as large as the other, what is the size of the smaller element?
40μm
60μm
120μm
20μm
The scale bar on a micropraph reads 32Um and measures 16cm in length. What is the magnification of the micrograph?
(a)
The scale bar on a micropraph reads 32Um and measures 1.6cm in length. What is the actual length (in nm) of a mitochondria in the cell that measures 20mm?
(a)
The scale bar on a drawing measures 2.5cm and has 10Um written on it. What is the actual diameter of the cell(in Um) if the image diameter reads 4cm
625μm
6.25μm
16μm
1.6μm
A micrograph of an animal cell has a magnification of 96,000x written on it. What is the actual size of the nucleolus on the micrograph that measures 2.75cm in diameter?
0.286nm
0.286μm
28.6nm
2.86μm
The intermembrane space of a mitochondrion measures 1.25nm in width. What is the magnification of the diagram of that intermembrane space if it measures 0.75mm in width.
600x
6000x
60x
60,000x
