HARD
AS and A Level
IMPORTANT
Earn 100

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A student was asked to make a high-power drawing of three neighbouring cells from the above figure. The figure below shows the drawing made by the student.

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Suggest how the drawing below could be improved.

Important Questions on Cell Structure

HARD
AS and A Level
IMPORTANT
Biology for Cambridge International AS & A Level coursebook 2nd Edition Digital Access>Chapter 1 - Cell Structure>Question>Q 3

Calculate the magnification of the drawing of the animal cell (diameter 20μm) in the figure given below.

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HARD
AS and A Level
IMPORTANT
Biology for Cambridge International AS & A Level coursebook 2nd Edition Digital Access>Chapter 1 - Cell Structure>Question>Q 3

Calculate the actual (real) length of the chloroplast (X16000) labelled X in the figure given below. 

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HARD
AS and A Level
IMPORTANT
Biology for Cambridge International AS & A Level coursebook 2nd Edition Digital Access>Chapter 1 - Cell Structure>Question>Q 4
Explain why ribosomes are not visible using a light microscope?
HARD
AS and A Level
IMPORTANT
Biology for Cambridge International AS & A Level coursebook 2nd Edition Digital Access>Chapter 1 - Cell Structure>Question>Q 5

Copy and complete the table which compares light microscope with an electron microscope. 

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HARD
AS and A Level
IMPORTANT
Biology for Cambridge International AS & A Level coursebook 2nd Edition Digital Access>Chapter 1 - Cell Structure>Question>Q 6

Compare the two diagrams given below. Name the structures in an animal cell that can be seen with the electron microscope but not with the light microscope.

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HARD
AS and A Level
IMPORTANT
Biology for Cambridge International AS & A Level coursebook 2nd Edition Digital Access>Chapter 1 - Cell Structure>Question>Q 7

Compare the two diagrams given below. Name the structures in a plant cell that can be seen with the electron microscope but not with the light microscope.

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HARD
AS and A Level
IMPORTANT
Biology for Cambridge International AS & A Level coursebook 2nd Edition Digital Access>Chapter 1 - Cell Structure>Question>Q 8

Using the magnification (X11000), determine the actual maximum diameter of the nucleus shown in the figure given below.

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HARD
AS and A Level
IMPORTANT
Biology for Cambridge International AS & A Level coursebook 2nd Edition Digital Access>Chapter 1 - Cell Structure>Question>Q 8
The actual diameter of a nucleus calculated from the micrograph is not necessarily the maximum diameter of that nucleus. Explain why this is the case.