Cambridge International AS and A Level Biology Ch 1-Cell Structure Exam Questions with Answers

A Levels Biology Ch 1-Cell Structure
Exam Questions with Answers

1. Which one of the following cell structures can be seen with a light microscope?

A mitochondrion

B ribosome

C rough ER

D smooth ER

Answer: A



2. The use of electrons as a source of radiation in the electron microscope allows high resolution to be
achieved because electrons:

A are negatively charged.

B can be focused using electromagnets.

C have a very short wavelength.

D travel at the speed of light.

Answer: C



3. Which one of the following structures is found in animal cells, but not in plant cells?

A cell surface membrane

B centriole

C chloroplast

D Golgi body

Answer: B

4. Complete the following table, which compares light microscopes with electron microscopes.

, Answer:




5. List ten structures you could find in an electron micrograph of an animal cell which would be absent
from the cell of a bacterium.

Answer:

1. nucleus

2. smooth ER/ Rough ER

3. chromosome