CP Biology Science Study – Review Name ______

Amatuzzi Microscopes

1.  Which part on a microscope is used for final focusing?

  1. high-power objective b. coarse adjustment c. fine adjustment d. nosepiece

2.  Which part on a microscope regulates the amount of light reaching the specimen?

  1. diaphragm b. fine adjustment c. revolving nosepiece d. body tube

3.  Which of the following is used to locate the specimen on a microscope?

  1. low-power magnification c. diaphragm
  2. high-power magnification d. ocular lens

4.  With a microscope, the thickness of the layer that can be clearly in focus is called the

  1. field size b. magnification c. resolution d. depth of field

5.  Which microscope passes a finely focused electron beam over the surface of a specimen?

  1. compound light microscope c. phase-contrast microscope
  2. scanning electron microscope d. transmission electron microscope

6.  Which microscope passes a finely focused beam of electrons through a very thin specimen?

  1. compound light microscope c. phase-contrast microscope
  2. scanning electron microscope d. transmission electron microscope

7.  Cells and microscopic organisms are usually measured in

  1. Inches b. centimeters c. millimeters d. micrometers

8.  Which type of microscope is used to study the surface structure of specimens large enough to be seen with the unaided eye?

  1. simple microscope c. transmission electron microscope
  2. stereomicroscope d. phase-contrast microscope

9.  Which is NOT an advantage of using an electron microscope?

  1. Great magnification c. ability to see movement within cells
  2. Ability to stain specimens d. ability to photograph images of specimens

10.  The ability of a microscope to show two points that are close together as separate images is called

  1. resolution b. magnification c. absorption d. focusing

11.  Which microscope can show very small details (ultrastructure), such as inside one organelle?

  1. compound light microscope c. stereomicroscope
  2. scanning electron microscope d. transmission electron microscope

12.  Which kind of microscope makes cell details of living cells visible without staining?

  1. phase-contrast microscope c. stereomicroscope
  2. scanning electron microscope d. transmission electron microscope

13.  What is the total magnification of a compound microscope with ocular power of 5X and objective power of 10X?

  1. 2X b. 15X c. 50X d. 500X