Question 2
FA student uses a light microscope to look at some cells.
The Figure shows the light microscope.
Figure
a.[2]
Use words from the list to name part A and part D.
coarse focusing knob eyepiece lens lamp objective lens stage
b.[1]
The eyepiece lens has a magnification of ×10\times 10×10. The objective lens has a magnification of ×40\times 40×40.
Calculate the total magnification.
c.[1]
Give the letter of the part where the slide is placed.
d.[1]
State the function of part D.
1.1 Cell structures Questions
130 exam-style questions on OCR GCSE Biology 1.1 Cell structures, covering 1.1.1 Viewing cells with light microscopes, 1.1.2 Sub-cellular structures and functions, and 1.1.3 Electron microscopy and resolution. Each one has a worked solution and a mark scheme showing where the marks go.