Answer Key for Quiz 8:  Microscope
 
 The correct answer is starred.

1. The arrow in this illustration is pointing to the
  1. revolving nosepiece.
  2. coarse adjustment knob.
  3. fine adjustment knob.
  4. scanning objective.
  5. ocular. *

2. An organism viewed with the high power objective in place would be magnified ______ times.

  1. 10 times
  2. 40 times
  3. 100 times
  4. 400 times *
  5. 1000 times

3. This microscope was pulled out of the storage cabinet. What mistake was made in putting it away?
  1. The oil immersion objective is locked in place instead of the scanning objective.
  2. The stage is not centered.
  3. A slide was left on the stage. *
  4. The objectives were not rolled up away from the stage.
  5. There was no mistake made. The microscope was properly put away.

4. This is the _______ objective.
  1. high or high dry
  2. low power
  3. scanning
  4. oil immersion *
  5. none of the above

5. True or false: The arrow in this image is pointing to the base of the microscope.
  1. True.
  2. False. *

6. Observe the microscope in the storage cabinet in this image. Was it properly put away?
  1. No, the oil immersion objective is locked in place instead of the scanning objective.
  2. No,the stage is not centered.
  3. No, the scope was put in the case backwards; the arm should be facing out so the microscope can be safely retreived for future use. *
  4. No, the objectives were not rolled up away from the stage.
  5. Yes, he microscope was properly put away.

7. The arrow in this illustration is pointing to the
  1. revolving nosepiece. *
  2. coarse adjustment knob.
  3. mechanical stage.
  4. scanning objective.
  5. base.

8. True or false: It is good microscopic technique to locate bacteria with the low power objective before viewing them with the high power objective.

  1. True. *
  2. False.

9. Oil should be added to a microscopic slide when viewing it with the _____ objective.

  1. 4 X
  2. 10 X
  3. 40 X
  4. 100 X *
  5. all of the above

10. The microscope in this image is an electron microscope.
  1. True.
  2. False. *